Samsung LTE ENB Counter Description for PKG 5.0.0_v1.0
Short Description
Samsung LTE ENB Counter Description for PKG 5.0.0_v1.0...
Description
Samsung LTE eNB Counter Description for PKG 5.0.0
Radio Access Network
This description provides call flows and detailed description for statistic items collected in the LTE eNB system for analysis.
Document Version 1.0 July 2015
Document Number: 2600-00I19BGAT
© 2015 SAMSUNG Electronics Co., Ltd. All Rights Reserved. No part of this document may be photocopied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means whether, electronic, mechanical, or otherwise without the prior written permission of SAMSUNG Electronics Co., Ltd. No warranty of accuracy is given concerning the contents of the information contained in this publication. To the extent permitted by law no liability (including liability to any person by reason of negligence) will be accepted by SAMSUNG Electronics Co., Ltd., its subsidiaries or employees for any direct or indirect loss or damage caused by omissions from or inaccuracies in this document. SAMSUNG Electronics Co., Ltd. reserves the right to change details in this publication without notice.
SNMTC-v3-0312
This manual should be read and used as a guideline for properly installing and/or operating the product. Owing to product variations across the range, any illustrations and photographs used in this manual may not be a wholly accurate depiction of the actual products you are using. This manual may be changed for system improvement, standardization and other technical reasons without prior notice. Samsung Networks documentation is available at http://www.samsungdocs.com
Contents Preface
xviii Relevance ..................................................................................................................................... xviii Conventions in this Document ..................................................................................................... xviii New and Changed Information ...................................................................................................... xix Revision History .............................................................................................................................. xxi Organization of This Document ..................................................................................................... xxi Related Documentation ................................................................................................................. xxi Personal and Product Safety ......................................................................................................... xxii CE Marking ............................................................................................................................... xxii Equipment Markings .................................................................................................................... xxvi
Chapter 1
Introduction
1
Chapter 2
Counter Description
3
Appendix A Acronyms
4
Appendix B Call Flow 5 Packet Statistics................................................................................................................................ 5 PDCP Packet ................................................................................................................................. 5 PDCP Packet per PLMN ................................................................................................................ 6 RRC ................................................................................................................................................. 10 RRC Connection Establishment .................................................................................................. 12 RRC Connection Reconfiguration ............................................................................................... 19 RRC Connection Re-establishment ............................................................................................. 20 RRC Connection Release ............................................................................................................ 28 RRC Connection Number ............................................................................................................ 42 RRC Connection Setup Time ....................................................................................................... 43 RRC Connection Re-establishment Time .................................................................................... 44 Call Drop .................................................................................................................................... 45 E-RAB .............................................................................................................................................. 49 E-RAB Setup ............................................................................................................................... 49 E-RAB Setup Add ........................................................................................................................ 55 E-RAB Setup Time ...................................................................................................................... 60 E-RAB Setup Time (Cause).......................................................................................................... 61 E-RAB Erase Request .................................................................................................................. 62 E-RAB Erase................................................................................................................................ 67 E-RAB Modify ............................................................................................................................. 68 E-RAB Release Request .............................................................................................................. 73 E-RAB Release ............................................................................................................................ 74 E-RAB Session Time per Cell ....................................................................................................... 76 E-RAB Session Time per QCI ....................................................................................................... 77 Active E-RAB Number................................................................................................................. 78 Active E-RAB Number per PLMN ................................................................................................ 79 E-RAB Holding Time ................................................................................................................... 80 E-RAB QCI per-PLMN rejected.................................................................................................... 81 UE Category .................................................................................................................................... 82 UE Category ............................................................................................................................... 82 Scheduler ....................................................................................................................................... 82 Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
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Contents
Measurement Report ................................................................................................................. 82 HO EUTRAN .................................................................................................................................... 83 Intra eNB Handover ................................................................................................................... 83 X2 Handover .............................................................................................................................. 84 S1 Handover............................................................................................................................... 86 Intra-eNB Handover ................................................................................................................... 88 X2 Out Handover ..................................................................................................................... 119 X2 In Handover ........................................................................................................................ 130 S1 Out Handover ...................................................................................................................... 148 S1 In Handover......................................................................................................................... 166 Handover Time......................................................................................................................... 182 Measurement Results of Source Cell ........................................................................................ 184 Measurement Results of Target Cell ........................................................................................ 185 Preemption Handover per E-RAB ............................................................................................. 186 Preemption Handover .............................................................................................................. 187 Intra-eNB In Handover ............................................................................................................. 189 HO HRPD ...................................................................................................................................... 220 Inter-RAT Optimized HRPD Handover (Other than eNB) ......................................................... 220 HO UTRAN .................................................................................................................................... 221 Inter-RAT UTRAN PS Out Handover ......................................................................................... 223 Inter-RAT UTRAN PS In Handover ............................................................................................ 227 UTRAN SRVCC .......................................................................................................................... 230 CSFB PS Out Handover ............................................................................................................. 233 CSFB Redirection Out ............................................................................................................... 236 PS Redirection UTRAN Out ....................................................................................................... 237 HO GERAN .................................................................................................................................... 238 GERAN SRVCC Handover .......................................................................................................... 238 PS-HO to GERAN ...................................................................................................................... 239 PS-HO from GERAN .................................................................................................................. 242 GERAN CCO .............................................................................................................................. 244 GERAN Redirection .................................................................................................................. 245 CSFB PSHO to GERAN ............................................................................................................... 246 CSFB GERAN CCO ..................................................................................................................... 247 CSFB GERAN Redirection .......................................................................................................... 248 VoLTE ............................................................................................................................................ 249 VoLTE Handover....................................................................................................................... 249 VoLTE Handover time .............................................................................................................. 251 VoLTE Quality Defect ............................................................................................................... 253 GTP ............................................................................................................................................... 254 GTP Sequence Number per QCI ................................................................................................ 254 GTP Sequence Number per eNB ............................................................................................... 254 GTP Forward Traffic ................................................................................................................. 255 SRB ............................................................................................................................................... 257 Cell PDCP SDU Bit Rate ............................................................................................................ 257 DRB ............................................................................................................................................... 258 Packet Drop Rate ..................................................................................................................... 258 Packet Loss Rate ...................................................................................................................... 258 S1SIG ............................................................................................................................................ 259 UE-associated logical S1 Connection Establishment ................................................................ 259 Paging ........................................................................................................................................... 261 Paging ...................................................................................................................................... 261 Load Balancing ............................................................................................................................. 262 Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
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Contents
Idle Load Balancing .................................................................................................................. 262 Handover for MLB .................................................................................................................... 263 Redirection for MLB ................................................................................................................. 264 Redirection Statistics for IRAT MLB.......................................................................................... 264 Load ......................................................................................................................................... 265 Load Histogram ....................................................................................................................... 265 On-demand Forced Handover ...................................................................................................... 266 Handover for On-demand Forced Handover............................................................................ 266 Redirection for On-demand Forced Handover ......................................................................... 267 Timer based Release ................................................................................................................ 267 FeICIC ........................................................................................................................................... 268 Handover for FeICIC ................................................................................................................. 268 Partnership for FeICIC .............................................................................................................. 269 Load for FeICIC ......................................................................................................................... 269 eICIC UE Count for FeICIC ......................................................................................................... 270 Overload Protection ..................................................................................................................... 271 Denied Call Count for Overload Protection .............................................................................. 271 eMBMS ......................................................................................................................................... 272 MBMS eNB Signaling ............................................................................................................... 272 MBMS eNB Sync....................................................................................................................... 279 MBMS Cell Sync ....................................................................................................................... 286 Carrier Aggregation ...................................................................................................................... 287 Carrier Aggregation capable UEs (PCell) ................................................................................. 287 Carrier Aggregation Message count for Addition-Release ...................................................... 289 MRO (RLF Classification & RLF at RRC Connection) ..................................................................... 295 Coverage Hole .......................................................................................................................... 295 Coverage Hole N ...................................................................................................................... 296 Too Early HO Failure ................................................................................................................ 297 Too Early HO RLF After HO....................................................................................................... 298 Too Late HO RLF before Triggering .......................................................................................... 299 Too Late HO RLF after Triggering ............................................................................................ 300 Wrong Cell RLF after Triggering............................................................................................... 301 Wrong Cell RLF after HO .......................................................................................................... 302 Ping-pong Handover ................................................................................................................ 303 Coverage Hole at Setup ........................................................................................................... 304 Coverage Hole at Setup N ........................................................................................................ 305 Too Early HO Failure at Setup .................................................................................................. 306 Too Early HO RLF after HO at Setup......................................................................................... 307 Too Late HO RLF before Triggering at Setup ............................................................................ 308 HO To Wrong Cell RLF after Triggering At Setup ..................................................................... 309 HO To Wrong Cell RLF after HO At Setup ................................................................................. 310 Aggregate Maximum Bit Rate ...................................................................................................... 311 S1AP UE AMBR Override .......................................................................................................... 311 X2AP UE AMBR Override.......................................................................................................... 312 KPI ................................................................................................................................................ 313 Accessibility.............................................................................................................................. 313 Retainability ............................................................................................................................. 313 Retainability per QCI ................................................................................................................ 313 Integrity ................................................................................................................................... 313 Availability ............................................................................................................................... 314 Mobility .................................................................................................................................... 314
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
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List of Figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. Figure 26. Figure 27. Figure 28. Figure 29. Figure 30. Figure 31. Figure 32. Figure 33. Figure 34. Figure 35. Figure 36. Figure 37. Figure 38. Figure 39. Figure 40. Figure 41. Figure 42. Figure 43. Figure 44. Figure 45. Figure 46. Figure 47.
Collection Time for PacketULByte .................................................................................................... 5 Collection Time for EnbQciDLByte ................................................................................................... 5 Collection Time for PLMN0EnbQciULByte ....................................................................................... 6 Collection Time for PLMN1EnbQciULByte ....................................................................................... 6 Collection Time for PLMN2EnbQciULByte ....................................................................................... 6 Collection Time for PLMN3EnbQciULByte ....................................................................................... 7 Collection Time for PLMN4EnbQciULByte ....................................................................................... 7 Collection Time for PLMN5EnbQciULByte ....................................................................................... 7 Collection Time for PLMN0EnbQciDLByte ........................................................................................ 8 Collection Time for PLMN1EnbQciDLByte ........................................................................................ 8 Collection Time for PLMN2EnbQciDLByte........................................................................................ 8 Collection Time for PLMN3EnbQciDLByte ........................................................................................ 8 Collection Time for PLMN4EnbQciDLByte ........................................................................................ 9 Collection Time for PLMN5EnbQciDLByte ........................................................................................ 9 RRC/E-RAB/S1 SIG Statistics Processing ......................................................................................... 10 Collection Time for RRC Connection Establishment ...................................................................... 12 Collection Time for ConnEstabFail_CpCcTo ................................................................................... 12 Collection Time for ConnEstabFail_CpCcFail (1) ............................................................................ 13 Collection Time for ConnEstabFail_CpCcFail (2) ............................................................................ 13 Collection Time for ConnEstabFail_CpCcFail (3) ............................................................................ 13 Collection Time for ConnEstabFail_CpCcFail (4) ............................................................................ 14 Collection Time for ConnEstabFail_UpMacFail (1) ......................................................................... 14 Collection Time for ConnEstabFail_UpMacFail (2) ......................................................................... 14 Collection Time for ConnEstabFail_UpPdcpFail ............................................................................. 15 Collection Time for ConnEstabFail_UpRlcFail (1) ........................................................................... 15 Collection Time for ConnEstabFail_UpRlcFail (2) ........................................................................... 15 Collection Time for ConnEstabFail_RrcSigTo ................................................................................. 16 Collection Time for ConnEstabFail_S1apLinkFail (1) ...................................................................... 16 Collection Time for ConnEstabFail_S1apLinkFail (2) ...................................................................... 16 Collection Time for ConnEstabFail_S1apSigFail ............................................................................. 17 Collection Time for ConnEstabReject_CpCcFaill (1) ....................................................................... 17 Collection Time for ConnEstabReject_CpCcFaill (2) ....................................................................... 17 Collection Time for ConnEstabReject_CpCcFail (3) ........................................................................ 18 Collection Time for ConnEstabReject_CpCapaCacFail ................................................................... 18 Collection Time for ConnEstabReject_S1apMmeOvld ................................................................... 18 Collection Time for ConnReconfigAtt ............................................................................................. 19 Collection Time for ConnReconfigSucc .......................................................................................... 19 Collection Time for SCellAddCount ................................................................................................ 19 Collection Time for SCellReleaseCount .......................................................................................... 19 Collection Time for RRC Connection Re-Establishment ................................................................. 20 Collection Time for ConnReEstabFail_CpCcFail (1) ........................................................................ 20 Collection Time for ConnReEstabFail_CpCcFail (2) ........................................................................ 20 Collection Time for ConnReEstabFail_CpCcFail (3) ........................................................................ 21 Collection Time for ConnReEstabFail_CpCcFail (4) ........................................................................ 21 Collection Time for ConnReEstabFail_UpMacFail (1) ..................................................................... 21 Collection Time for ConnReEstabFail_UpMacFail (2) ..................................................................... 22 Collection Time for ConnReEstabFail_UpPdcpFail ......................................................................... 22
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
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List of Figures
Figure 48. Figure 49. Figure 50. Figure 51. Figure 52. Figure 53. Figure 54. Figure 55. Figure 56. Figure 57. Figure 58. Figure 59. Figure 60. Figure 61. Figure 62. Figure 63. Figure 64. Figure 65. Figure 66. Figure 67. Figure 68. Figure 69. Figure 70. Figure 71. Figure 72. Figure 73. Figure 74. Figure 75. Figure 76. Figure 77. Figure 78. Figure 79. Figure 80. Figure 81. Figure 82. Figure 83. Figure 84. Figure 85. Figure 86. Figure 87. Figure 88. Figure 89. Figure 90. Figure 91. Figure 92. Figure 93. Figure 94. Figure 95. Figure 96. Figure 97. Figure 98. Figure 99.
Collection Time for ConnReEstabFail_UpRlcFail (1) ....................................................................... 22 Collection Time for ConnReEstabFail_UpRlcFail (2) ....................................................................... 23 Collection Time for ConnReEstabFail_RrcSigTo (1) ........................................................................ 23 Collection Time for ConnReEstabFail_RrcSigTo (2) ........................................................................ 23 Collection Time for ConnReEstabFail_S1apLinkFail (1) .................................................................. 24 Collection Time for ConnReEstabFail_S1apLinkFail (2) .................................................................. 24 Collection Time for ConnReEstabFail_S1apSigFail (1) .................................................................... 24 Collection Time for ConnReEstabFail_S1apSigFail (2) .................................................................... 25 Collection Time for ConnReEstabReject_CpCcFail (1) .................................................................... 25 Collection Time for ConnReEstabReject_CpCcFail (2) .................................................................... 25 Collection Time for ConnReEstabReject_CpCcFail (3) .................................................................... 25 Collection Time for ConnReEstabReject_CpCcFail (4) .................................................................... 26 Collection Time for ConnReEstabReject_CpCcFail (5) .................................................................... 26 Collection Time for ConnReEstabReject_CpCcFail (6) .................................................................... 26 Collection Time for ConnReEstabReject_CpCapaCacFail ............................................................... 27 Collection Time for ConnReEstabReject_CpQosCacFail ................................................................. 27 Collection Time for ConnRelease_CpCcNormal ............................................................................. 28 Collection Time for ConnRelease_CpCcTo ..................................................................................... 28 Collection Time for ConnRelease_CpCcFail (1) .............................................................................. 28 Collection Time for ConnRelease_CpCcFail (2) .............................................................................. 29 Collection Time for ConnRelease_CpCcFail (3) .............................................................................. 29 Collection Time for ConnRelease_CpCcFail (4) .............................................................................. 29 Collection Time for ConnRelease_UpGtpFail ................................................................................. 29 Collection Time for ConnRelease_UpMacFail (1) ........................................................................... 30 Collection Time for ConnRelease_UpMacFail (2) ........................................................................... 30 Collection Time for ConnRelease_UpMacUEInact ......................................................................... 30 Collection Time for ConnRelease_UpPdcpFail ............................................................................... 30 Collection Time for ConnRelease_UpRlcFail (1) ............................................................................. 31 Collection Time for ConnRelease_UpRlcFail (2) ............................................................................. 31 Collection Time for ConnRelease_RrcHcTo .................................................................................... 31 Collection Time for ConnRelease_RrcSigFail (1)............................................................................. 32 Collection Time for ConnRelease_RrcSigFail (2)............................................................................. 32 Collection Time for ConnRelease_RrcSigFail (3)............................................................................. 32 Collection Time for ConnRelease_RrcSigTo ................................................................................... 33 Collection Time for ConnRelease_CpBhCacFail.............................................................................. 33 Collection Time for ConnRelease_CpCapaCacFail .......................................................................... 34 Collection Time for ConnRelease_CpQosCacFail ........................................................................... 34 Collection Time for ConnRelease_S1apCuFail ................................................................................ 34 Collection Time for ConnRelease_S1apLinkFail (1) ........................................................................ 35 Collection Time for ConnRelease_S1apLinkFail (2) ........................................................................ 35 Collection Time for ConnRelease_S1apRoTo (1) ............................................................................ 36 Collection Time for ConnRelease_S1apRoTo (2) ............................................................................ 36 Collection Time for ConnRelease_S1apRoTo (3) ............................................................................ 37 Collection Time for ConnRelease_S1apSigFail (1) .......................................................................... 37 Collection Time for ConnRelease_S1apSigFail (2) .......................................................................... 38 Collection Time for ConnRelease_S1apSigFail (3) .......................................................................... 38 Collection Time for ConnRelease_S1apSigTo ................................................................................. 39 Collection Time for ConnRelease_X2apCuFail ............................................................................... 39 Collection Time for ConnRelease_X2apRoTo ................................................................................. 40 Collection Time for ConnRelease_X2apSigFail (1) .......................................................................... 40 Collection Time for ConnRelease_X2apSigFail (2) .......................................................................... 41 Collection Time for RRC Connection Number ................................................................................ 42
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
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List of Figures
Figure 100. Figure 101. Figure 102. Figure 103. Figure 104. Figure 105. Figure 106. Figure 107. Figure 108. Figure 109. Figure 110. Figure 111. Figure 112. Figure 113. Figure 114. Figure 115. Figure 116. Figure 117. Figure 118. Figure 119. Figure 120. Figure 121. Figure 122. Figure 123. Figure 124. Figure 125. Figure 126. Figure 127. Figure 128. Figure 129. Figure 130. Figure 131. Figure 132. Figure 133. Figure 134. Figure 135. Figure 136. Figure 137. Figure 138. Figure 139. Figure 140. Figure 141. Figure 142. Figure 143. Figure 144. Figure 145. Figure 146. Figure 147. Figure 148. Figure 149. Figure 150. Figure 151.
Collection Time for Release Call Holding Time ............................................................................... 42 Collection Time for RRC Connection Setup Time ........................................................................... 43 Collection Time for Re-establishment Time ................................................................................... 44 Collection Time for CallDrop_EccbDspAuditRlcMacCallRelease .................................................... 45 Collection Time for CallDrop_EccbRcvResetRequestFromEcmb .................................................... 45 Collection Time for CallDrop_EccbRcvCellReleaseIndFromEcmb .................................................. 45 Collection Time for CallDrop_EccbRadioLinkFailure ...................................................................... 46 Collection Time for CallDrop_EccbDspAuditMacCallRelease ......................................................... 46 Collection Time for CallDrop_EccbArqMaxReTransmission ........................................................... 46 Collection Time for CallDrop_EccbDspAuditRlcCallRelease ........................................................... 47 Collection Time for CallDrop_EccbTmoutRrcConnectionReconfig................................................. 47 Collection Time for CallDrop_EccbTmoutRrcConnectionReestablish ............................................ 47 Collection Time for CallDrop_EccbS1SctpOutOfService (1) ........................................................... 48 Collection Time for CallDrop_EccbS1SctpOutOfService (2) ........................................................... 48 Collection Time for E-RAB Setup .................................................................................................... 49 Collection Time for ErabInitFailNbr_CpCcTo .................................................................................. 49 Collection Time for ErabInitFailNbr_CpCcFail ................................................................................ 49 Collection Time for ErabInitFailNbr_UpGtpFail .............................................................................. 50 Collection Time for ErabInitFailNbr_UpMacFail ............................................................................. 50 Collection Time for ErabInitFailNbr_UpPdcpFail ............................................................................ 50 Collection Time for ErabInitFailNbr_UpRlcFail ............................................................................... 51 Collection Time for ErabInitFailNbr_RrcSigFail .............................................................................. 51 Collection Time for ErabInitFailNbr_RrcSigTo ................................................................................ 52 Collection Time for ErabInitFailNbr_CpBhCacFail .......................................................................... 52 Collection Time for ErabInitFailNbr_CpCapaCacFail ...................................................................... 52 Collection Time for ErabInitFailNbr_CpQosCacFail ........................................................................ 53 Collection Time for ErabInitFailNbr_S1apCuFail ............................................................................ 53 Collection Time for ErabInitFailNbr_S1apLinkFail .......................................................................... 53 Collection Time for ErabInitFailNbr_S1apSigFail ............................................................................ 54 Collection Time for ErabAddFailNbr_CpCcTo ................................................................................. 55 Collection Time for ErabAddFailNbr_CpCcFail ............................................................................... 55 Collection Time for ErabAddFailNbr_UpGtpFail ............................................................................. 55 Collection Time for ErabAddFailNbr_UpMacFail............................................................................ 56 Collection Time for ErabAddFailNbr_UpPdcpFail ........................................................................... 56 Collection Time for ErabAddFailNbr_UpRlcFail .............................................................................. 56 Collection Time for ErabAddFailNbr_RrcSigFail ............................................................................. 57 Collection Time for ErabAddFailNbr_RrcSigTo ............................................................................... 57 Collection Time for ErabAddFailNbr_CpBhCacFail ......................................................................... 57 Collection Time for ErabAddFailNbr_CpCapaCacFail ..................................................................... 57 Collection Time for ErabAddFailNbr_CpQosCacFail ....................................................................... 58 Collection Time for ErabAddFailNbr_S1apCuFail ........................................................................... 58 Collection Time for ErabAddFailNbr_S1apLinkFail ......................................................................... 58 Collection Time for ErabAddFailNbr_S1apSigFail ........................................................................... 58 Collection Time for ErabAddFailNbr_CpCcInteraction ................................................................... 59 Collection Time for E-RAB Setup time ............................................................................................ 60 Collection Time for E-RAB Setup time (Cause) ............................................................................... 61 Collection Time for E-RAB Erase Request ....................................................................................... 62 Collection Time for EraseAttbyEnb_CpCcTo .................................................................................. 62 Collection Time for EraseAttbyEnb_CpCcFail ................................................................................. 62 Collection Time for EraseAttbyEnb_UpGtpFail .............................................................................. 63 Collection Time for EraseAttbyEnb_UpMacFail ............................................................................. 63 Collection Time for EraseAttbyEnb_UpMacUEInact ...................................................................... 63
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List of Figures
Figure 152. Figure 153. Figure 154. Figure 155. Figure 156. Figure 157. Figure 158. Figure 159. Figure 160. Figure 161. Figure 162. Figure 163. Figure 164. Figure 165. Figure 166. Figure 167. Figure 168. Figure 169. Figure 170. Figure 171. Figure 172. Figure 173. Figure 174. Figure 175. Figure 176. Figure 177. Figure 178. Figure 179. Figure 180. Figure 181. Figure 182. Figure 183. Figure 184. Figure 185. Figure 186. Figure 187. Figure 188. Figure 189. Figure 190. Figure 191. Figure 192. Figure 193. Figure 194. Figure 195. Figure 196. Figure 197. Figure 198. Figure 199. Figure 200. Figure 201. Figure 202. Figure 203.
Collection Time for EraseAttbyEnb_UpPdcpFail ............................................................................ 63 Collection Time for EraseAttbyEnb_UpRlcFail ............................................................................... 64 Collection Time for EraseAttbyEnb_RrcHcTo ................................................................................. 64 Collection Time for EraseAttbyEnb_RrcSigFail ............................................................................... 65 Collection Time for EraseAttbyEnb_RrcSigTo................................................................................. 65 Collection Time for EraseAttbyEnb_S1apCuFail ............................................................................. 65 Collection Time for EraseAttbyEnb_S1apRoTo .............................................................................. 65 Collection Time for EraseAttbyEnb_S1apSigTo .............................................................................. 66 Collection Time for EraseAttbyEnb_X2apRoTo .............................................................................. 66 Collection Time for E-RAB erase..................................................................................................... 67 Collection Time for E-RAB modify .................................................................................................. 68 Collection Time for ModQoSFailNbr_CpCcTo ................................................................................ 68 Collection Time for ModQoSFailNbr_CpCcFail ............................................................................... 68 Collection Time for ModQoSFailNbr_UpGtpFail ............................................................................ 69 Collection Time for ModQoSFailNbr_UpMacFail ........................................................................... 69 Collection Time for ModQoSFailNbr_UpPdcpFail .......................................................................... 69 Collection Time for ModQoSFailNbr_UpRlcFail ............................................................................. 70 Collection Time for ModQoSFailNbr_RrcSigFail ............................................................................. 70 Collection Time for ModQoSFailNbr_RrcSigTo .............................................................................. 70 Collection Time for ModQoSFailNbr_CpBhCacFail ......................................................................... 71 Collection Time for ModQoSFailNbr_CpCapaCacFail ..................................................................... 71 Collection Time for ModQoSFailNbr_CpQosCacFail ....................................................................... 71 Collection Time for ModQoSFailNbr_S1apCuFail ........................................................................... 71 Collection Time for ModQoSFailNbr_S1apLinkFail ........................................................................ 71 Collection Time for ModQoSFailNbr_S1apSigFail .......................................................................... 72 Collection Time for ModQoSFailNbr_CpCcInteraction................................................................... 72 Collection Time for eNB E-RAB release request ............................................................................. 73 Collection Time for RelAttbyEnbNbr_CpCcTo ................................................................................ 73 Collection Time for RelAttbyEnbNbr_S1apCuFail .......................................................................... 73 Collection Time for E-RAB release .................................................................................................. 74 Collection Time for RelFailNbr_CpCcFail ........................................................................................ 74 Collection Time for RelFailNbr_S1apSigFail ................................................................................... 74 Collection Time for RelFailNbr_S1apCuFail .................................................................................... 74 Collection Time for RelActive ......................................................................................................... 75 Collection Time for RelFailNbr_CpCcInteraction ............................................................................ 75 Collection Time for SessionTimeUEAvg/Tot/Cnt ............................................................................ 76 Collection Time for SessionTimeQciAvg/Tot/Cnt ........................................................................... 77 Collection Time for UsageNbrAvgAvg/Max/Tot/Cnt ...................................................................... 78 Collection Time for UsageNbrPLMN0~5Avg/Max/Tot/Cnt ............................................................ 79 Collection Time for ErabHoldingTimeAvgAvg/Max/Min/Tot/Cnt .................................................. 80 Collection Time for PLMN0~5QCIReject ........................................................................................ 81 Collection Time for UE Catagory .................................................................................................... 82 Collection Time for Measurement Report ..................................................................................... 82 Intra-eNB HandoverStatistics processing ....................................................................................... 83 X2 Based Handover Statistics processing ....................................................................................... 84 S1 Handover Procedure ................................................................................................................. 86 Collection Time for Intra eNB Handover ........................................................................................ 88 Collection Time for IntraEnbPrepFail_CpCcTo ............................................................................... 88 Collection Time for IntraEnbPrepFail_CpCcFail (1) ........................................................................ 89 Collection Time for IntraEnbPrepFail_CpCcFail (2) ........................................................................ 90 Collection Time for IntraEnbPrepFail_CpCcFail (3) ........................................................................ 91 Collection Time for IntraEnbPrepFail_CpCcFail (4) ........................................................................ 92
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List of Figures
Figure 204. Figure 205. Figure 206. Figure 207. Figure 208. Figure 209. Figure 210. Figure 211. Figure 212. Figure 213. Figure 214. Figure 215. Figure 216. Figure 217. Figure 218. Figure 219. Figure 220. Figure 221. Figure 222. Figure 223. Figure 224. Figure 225. Figure 226. Figure 227. Figure 228. Figure 229. Figure 230. Figure 231. Figure 232. Figure 233. Figure 234. Figure 235. Figure 236. Figure 237. Figure 238. Figure 239. Figure 240. Figure 241. Figure 242. Figure 243. Figure 244. Figure 245. Figure 246. Figure 247. Figure 248. Figure 249. Figure 250. Figure 251. Figure 252. Figure 253. Figure 254. Figure 255.
Collection Time for IntraEnbPrepFail_UpMacFail (1) ..................................................................... 93 Collection Time for IntraEnbPrepFail_UpMacFail (2) ..................................................................... 94 Collection Time for IntraEnbPrepFail_UpRlcFail (1) ....................................................................... 95 Collection Time for IntraEnbPrepFail_UpRlcFail (2) ....................................................................... 96 Collection Time for IntraEnbPrepFail _CpBhCacFail ....................................................................... 97 Collection Time for IntraEnbPrepFail _CpCapaCacFail ................................................................... 98 Collection Time for IntraEnbPrepFail _CpQosCacFail..................................................................... 99 Collection Time for IntraEnbPrepFail_S1apCuFail ........................................................................ 100 Collection Time for IntraEnbPrepFail_S1apLinkFail (1) ................................................................ 101 Collection Time for IntraEnbPrepFail_S1apLinkFail (2) ................................................................ 102 Collection Time for IntraEnbPrepFail_S1apSigFail (1) .................................................................. 103 Collection Time for IntraEnbPrepFail_S1apSigFail (2) .................................................................. 104 Collection Time for IntraEnbFail_CpCcTo ..................................................................................... 105 Collection Time for IntraEnbFail_CpCcFail (1) .............................................................................. 106 Collection Time for IntraEnbFail_CpCcFail (2) .............................................................................. 107 Collection Time for IntraEnbFail_CpCcFail (3) .............................................................................. 108 Collection Time for IntraEnbFail_UpMacFail................................................................................ 109 Collection Time for IntraEnbFail_UpRlcFail (1) ............................................................................ 110 Collection Time for IntraEnbFail_UpRlcFail (2) ............................................................................ 111 Collection Time for IntraEnbFail_RrcHcTo (1) .............................................................................. 112 Collection Time for IntraEnbFail_RrcHcTo (2) .............................................................................. 113 Collection Time for IntraEnbFail_S1apCuFail ............................................................................... 114 Collection Time for IntraEnbFail_S1apLinkFail (1)........................................................................ 115 Collection Time for IntraEnbFail_S1apLinkFail (2)........................................................................ 116 Collection Time for IntraEnbFail_S1apSigFail (1) ......................................................................... 117 Collection Time for IntraEnbFail_S1apSigFail (2) ......................................................................... 118 Collection Time for X2 Handover Out .......................................................................................... 119 Collection Time for InterX2OutPrepFail_CpCcFail........................................................................ 120 Collection Time for InterX2OutPrepFail_S1apLinkFail ................................................................. 121 Collection Time for InterX2OutPrepFail_S1apSigFail ................................................................... 122 Collection Time for InterX2OutPrepFail_X2apCuFail ................................................................... 122 Collection Time for InterX2OutPrepFail_X2apRpTo ..................................................................... 123 Collection Time for InterX2OutFail_CpCcTo ................................................................................. 123 Collection Time for InterX2OutFail_CpCcFail ............................................................................... 124 Collection Time for InterX2OutFail_UpGtpFail ............................................................................ 125 Collection Time for InterX2OutFail_UpPdcpFail........................................................................... 125 Collection Time for InterX2OutFail_UpRlcFail .............................................................................. 126 Collection Time for InterX2OutFail_S1apCuFail ........................................................................... 126 Collection Time for InterX2OutFail_S1apLinkFail ......................................................................... 127 Collection Time for InterX2OutFail_S1apSigFail ........................................................................... 128 Collection Time for InterX2OutFail_X2apRoTo ............................................................................ 129 Collection Time for X2 In Handover ............................................................................................. 130 Collection Time for InterX2InPrepFail_CpCcTo ............................................................................ 131 Collection Time for InterX2InPrepFail_CpCcFail........................................................................... 132 Collection Time for InterX2InPrepFail_UpGtpFail ........................................................................ 132 Collection Time for InterX2InPrepFail_UpMacFail ....................................................................... 133 Collection Time for InterX2InPrepFail_UpPdcpFail ...................................................................... 133 Collection Time for InterX2InPrepFail_UpRlcFail ......................................................................... 134 Collection Time for InterX2InPrepFail_CpBhCacFail .................................................................... 134 Collection Time for InterX2InPrepFail_CpCapaCacFail ................................................................. 135 Collection Time for InterX2InPrepFail_CpQosCacFail .................................................................. 135 Collection Time for InterX2InPrepFail_S1apLinkFail .................................................................... 136
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List of Figures
Figure 256. Figure 257. Figure 258. Figure 259. Figure 260. Figure 261. Figure 262. Figure 263. Figure 264. Figure 265. Figure 266. Figure 267. Figure 268. Figure 269. Figure 270. Figure 271. Figure 272. Figure 273. Figure 274. Figure 275. Figure 276. Figure 277. Figure 278. Figure 279. Figure 280. Figure 281. Figure 282. Figure 283. Figure 284. Figure 285. Figure 286. Figure 287. Figure 288. Figure 289. Figure 290. Figure 291. Figure 292. Figure 293. Figure 294. Figure 295. Figure 296. Figure 297. Figure 298. Figure 299. Figure 300. Figure 301. Figure 302. Figure 303. Figure 304. Figure 305. Figure 306. Figure 307.
Collection Time for InterX2InPrepFail_S1apSigFail ...................................................................... 136 Collection Time for InterX2InPrepFail_X2apCuFail ...................................................................... 137 Collection Time for InterX2InPrepFail_X2apSigFail ...................................................................... 137 Collection Time for InterX2InFail_CpCcTo (1) .............................................................................. 138 Collection Time for InterX2InFail_CpCcTo (2) .............................................................................. 139 Collection Time for InterX2InFail_CpCcFail .................................................................................. 140 Collection Time for InterX2InFail_UpGtpFail ............................................................................... 141 Collection Time for InterX2InFail_UpPdcpFail ............................................................................. 142 Collection Time for InterX2InFail_RrcHcTo .................................................................................. 143 Collection Time for InterX2InFail_S1apLinkFail ............................................................................ 143 Collection Time for InterX2InFail_S1apCuFail .............................................................................. 144 Collection Time for InterX2InFail_S1apPathTo ............................................................................ 145 Collection Time for InterX2InFail_S1apSigFail .............................................................................. 146 Collection Time for InterX2InFail_X2apSigFail ............................................................................. 147 Collection Time for InterX2InFail_X2apSigTo ............................................................................... 147 Collection Time for S1 Handover Out........................................................................................... 148 Collection Time for InterS1OutPrepFail_CpCcFail(1) ................................................................... 149 Collection Time for InterS1OutPrepFail_CpCcFail(2) ................................................................... 150 Collection Time for InterS1OutPrepFail_CpCcFail(3) ................................................................... 151 Collection Time for InterS1OutPrepFail_S1apCuFail .................................................................... 152 Collection Time for InterS1OutPrepFail_S1apLinkFail ................................................................. 153 Collection Time for InterS1OutPrepFail_S1apLinkFail ................................................................. 154 Collection Time for InterS1OutPrepFail_S1apRpTo ..................................................................... 155 Collection Time for InterS1OutPrepFail_S1apSigFail (1) .............................................................. 156 Collection Time for InterS1OutPrepFail_S1apSigFail (2) .............................................................. 157 Collection Time for InterS1OutFail_CpCcTo (1) ........................................................................... 158 Collection Time for InterS1OutFail_CpCcTo (2) ........................................................................... 158 Collection Time for InterS1OutFail_CpCcTo (3) ........................................................................... 159 Collection Time for InterS1OutFail_CpCcFail (1) .......................................................................... 159 Collection Time for InterS1OutFail_CpCcFail (2) .......................................................................... 160 Collection Time for InterS1OutFail_CpCcFail (3) .......................................................................... 160 Collection Time for InterS1OutFail_UpGtpFail ............................................................................. 161 Collection Time for InterS1OutFail_UpPdcpFail ........................................................................... 161 Collection Time for InterS1OutFail_UpRlcFail .............................................................................. 162 Collection Time for InterS1OutFail_S1apCuFail ........................................................................... 162 Collection Time for InterS1OutFail_S1apLinkFail (1) .................................................................... 163 Collection Time for InterS1OutFail_S1apLinkFail (2) .................................................................... 163 Collection Time for InterS1OutFail_S1apRoTo ............................................................................. 164 Collection Time for InterS1OutFail_S1apSigFail (1)...................................................................... 164 Collection Time for InterS1OutFail_S1apSigFail (2)...................................................................... 165 Collection Time for S1 Handover In.............................................................................................. 166 Collection Time for InterS1InPrep_FailCpCcTo ............................................................................ 167 Collection Time for InterS1InPrep_FailCpCcFail (1) ..................................................................... 167 Collection Time for InterS1InPrep_FailCpCcFail (2) ..................................................................... 168 Collection Time for InterS1InPrep_FailCpCcFail (3) ..................................................................... 168 Collection Time for InterS1InPrep_FailCpCcFail (4) ..................................................................... 169 Collection Time for InterS1InPrep_FailUpGtpFail ........................................................................ 169 Collection Time for InterS1InPrep_FailUpMacFail ....................................................................... 170 Collection Time for InterS1InPrep_FailUpPdcpFail ...................................................................... 170 Collection Time for InterS1InPrep_FailUpRlcFail ......................................................................... 171 Collection Time for InterS1InPrep_FailCpBhCacFail ..................................................................... 171 Collection Time for InterS1InPrep_FailCpCapaCacFail ................................................................. 172
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List of Figures
Figure 308. Figure 309. Figure 310. Figure 311. Figure 312. Figure 313. Figure 314. Figure 315. Figure 316. Figure 317. Figure 318. Figure 319. Figure 320. Figure 321. Figure 322. Figure 323. Figure 324. Figure 325. Figure 326. Figure 327. Figure 328. Figure 329. Figure 330. Figure 331. Figure 332. Figure 333. Figure 334. Figure 335. Figure 336. Figure 337. Figure 338. Figure 339. Figure 340. Figure 341. Figure 342. Figure 343. Figure 344. Figure 345. Figure 346. Figure 347. Figure 348. Figure 349. Figure 350. Figure 351. Figure 352. Figure 353. Figure 354. Figure 355. Figure 356. Figure 357. Figure 358. Figure 359.
Collection Time for InterS1InPrep_FailCpQosCacFail ................................................................... 172 Collection Time for InterS1InPrep_FailS1apCuFail ....................................................................... 173 Collection Time for InterS1InPrep_FailS1apLinkFail(1) ................................................................ 173 Collection Time for InterS1InPrep_FailS1apLinkFail (2) ............................................................... 174 Collection Time for InterS1InPrepFail_S1apSigFail (1) ................................................................. 174 Collection Time for InterS1InPrepFail_S1apSigFail (2) ................................................................. 175 Collection Time for InterS1InFail_CpCcTo .................................................................................... 175 Collection Time for InterS1InFail_CpCcFail (1) ............................................................................. 176 Collection Time for InterS1InFail_CpCcFail (2) ............................................................................. 176 Collection Time for InterS1InFail_CpCcFail (3) ............................................................................. 177 Collection Time for InterS1InFail_UpPdcpFail .............................................................................. 177 Collection Time for InterS1InFail_RrcHcTo .................................................................................. 178 Collection Time for InterS1InFail_S1apCuFail .............................................................................. 178 Collection Time for InterS1InFail_S1apLinkFail (1) ....................................................................... 179 Collection Time for InterS1InFail_S1apLinkFail (2) ....................................................................... 179 Collection Time for InterS1InFail_S1apSigFail (1) ........................................................................ 180 Collection Time for InterS1InFail_S1apSigFail (2) ........................................................................ 180 Collection Time for InterS1InFail_S1apSigTo ............................................................................... 181 Collection Time for Handover Time (Intra) .................................................................................. 182 Collection Time for Handover Time(Inter S1) .............................................................................. 182 Collection Time for Handover Time(Inter X2) .............................................................................. 183 Collection Time for Measurement Results of Source Cell ............................................................ 184 Collection Time for Measurement Report of Target Cell ............................................................. 185 Collection Time for Preemption Handover per E-RAB (Intra) ...................................................... 186 Collection Time for Preemption Handover per E-RAB (Inter X2) ................................................. 186 Collection Time for Preemption Handover per E-RAB (Inter S1) ................................................. 186 Collection Time for Preemption Handover (Intra) ....................................................................... 187 Collection Time for Preemption Handover(Inter X2) ................................................................... 187 Collection Time for Preemption Handover (Inter S1) .................................................................. 188 Collection Time for Intra eNB In Handover .................................................................................. 189 Collection Time for IntraEnbInPrepFail_CpCcTo .......................................................................... 189 Collection Time for IntraEnbInPrepFail_CpCcFail (1) ................................................................... 190 Collection Time for IntraEnbInPrepFail_CpCcFail (2) ................................................................... 191 Collection Time for IntraEnbInPrepFail_CpCcFail (3) ................................................................... 192 Collection Time for IntraEnbInPrepFail_CpCcFail (4) ................................................................... 193 Collection Time for IntraEnbInPrepFail_UpMacFail (1) ................................................................ 194 Collection Time for IntraEnbInPrepFail_UpMacFail (2) ................................................................ 195 Collection Time for IntraEnbInPrepFail_UpRlcFail (1) .................................................................. 196 Collection Time for IntraEnbInPrepFail_UpRlcFail (2) .................................................................. 197 Collection Time for IntraEnbInPrepFail _CpBhCacFail ................................................................. 198 Collection Time for IntraEnbInPrepFail _CpCapaCacFail .............................................................. 199 Collection Time for IntraEnbInPrepFail _CpQosCacFail ............................................................... 200 Collection Time for IntraEnbInPrepFail_S1apCuFail..................................................................... 201 Collection Time for IntraEnbInPrepFail_S1apLinkFail (1) ............................................................. 202 Collection Time for IntraEnbInPrepFail_S1apLinkFail (2) ............................................................. 203 Collection Time for IntraEnbInPrepFail_S1apSigFail (1) ............................................................... 204 Collection Time for IntraEnbInPrepFail_S1apSigFail (2) ............................................................... 205 Collection Time for IntraEnbInFail_CpCcTo .................................................................................. 206 Collection Time for IntraEnbInFail_CpCcFail (1) ........................................................................... 207 Collection Time for IntraEnbInFail_CpCcFail (2) ........................................................................... 208 Collection Time for IntraEnbInFail_CpCcFail (3) ........................................................................... 209 Collection Time for IntraEnbInFail_UpMacFail ............................................................................ 210
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List of Figures
Figure 360. Figure 361. Figure 362. Figure 363. Figure 364. Figure 365. Figure 366. Figure 367. Figure 368. Figure 369. Figure 370. Figure 371. Figure 372. Figure 373. Figure 374. Figure 375. Figure 376. Figure 377. Figure 378. Figure 379. Figure 380. Figure 381. Figure 382. Figure 383. Figure 384. Figure 385. Figure 386. Figure 387. Figure 388. Figure 389. Figure 390. Figure 391. Figure 392. Figure 393. Figure 394. Figure 395. Figure 396. Figure 397. Figure 398. Figure 399. Figure 400. Figure 401. Figure 402. Figure 403. Figure 404. Figure 405. Figure 406. Figure 407. Figure 408. Figure 409. Figure 410. Figure 411.
Collection Time for IntraEnbInFail_UpRlcFail (1) ......................................................................... 211 Collection Time for IntraEnbInFail_UpRlcFail (2) ......................................................................... 212 Collection Time for IntraEnbInFail_RrcHcTo (1) ........................................................................... 213 Collection Time for IntraEnbInFail_RrcHcTo (2) ........................................................................... 214 Collection Time for IntraEnbInFail_S1apCuFail ............................................................................ 215 Collection Time for IntraEnbInFail_S1apLinkFail (1) .................................................................... 216 Collection Time for IntraEnbInFail_S1apLinkFail (2) .................................................................... 217 Collection Time for IntraEnbInFail_S1apSigFail (1) ...................................................................... 218 Collection Time for IntraEnbInFail_S1apSigFail (2) ...................................................................... 219 Collection Time for Inter-RAT HRPD Handover (Other than eNB) ............................................... 220 PS Handover Procedure from E-UTRAN to UTRAN ...................................................................... 221 Collection Time for Inter-RAT UTRAN PS Handover Out .............................................................. 223 Collection Time for Inter-RAT UTRAN PS Handover Out .............................................................. 224 Collection Time for RatUtranOutPrepFail_S1apCuFail ................................................................. 224 Collection Time for RatUtranOutPrepFail_S1apRpTo .................................................................. 224 Collection Time for Inter-RAT UTRAN PS Handover Out .............................................................. 225 Collection Time for RatUtranOutFail_RrcSigFail .......................................................................... 225 Collection Time for RatUtranOutFail_S1apRoTo .......................................................................... 226 Collection Time for Inter-RAT UTRAN PS Handover In ................................................................. 227 Collection Time for Inter-RAT UTRAN PS Handover In ................................................................. 228 Collection Time for Inter-RAT UTRAN PS Handover In ................................................................. 228 Collection Time for RatInFailUtran_RrcSigFail ............................................................................. 229 Collection Time for UTRAN SRVCC ............................................................................................... 230 Collection Time for UTRAN SRVCC ............................................................................................... 230 Collection Time for UtranSrvccOutPrepFail_S1apCuFail .............................................................. 231 Collection Time for UtranSrvccOutPrepFail_S1apRpTo ............................................................... 231 Collection Time for UTRAN SRVCC ............................................................................................... 231 Collection Time for UtranSrvccOutFail_RrcSigFail ....................................................................... 232 Collection Time for UtranSrvccOutFail_S1apRoTo ....................................................................... 232 Collection Time for CSFB PS Handover Out .................................................................................. 233 Collection Time for CSFBPsHoUtranPrepFail_S1apCuFail ............................................................ 234 Collection Time for CSFB PS Out Handover .................................................................................. 234 Collection Time for CSFBPsHoUtranPrepFail_S1apRpTo .............................................................. 234 Collection Time for CSFBPsHoUtranFail_S1apRoTo ..................................................................... 235 Collection Time for CSFB PS Out Handover .................................................................................. 235 Collection Time for CSFB Redirection Out .................................................................................... 236 Collection Time for PS Redirection UTRAN Out ........................................................................... 237 Collection Time for GERAN SRVCC Handover .............................................................................. 238 Collection Time for PS-HO to GERAN ........................................................................................... 239 Collection Time for PS HO preparation ........................................................................................ 240 Collection Time for PS HO to GERAN ........................................................................................... 241 Collection Time for PS HO from GERAN ....................................................................................... 242 Collection Time for PS HO In Preparation (Failure) ...................................................................... 242 Collection Time for PS HO From GERAN (Failure) ........................................................................ 243 Collection Time for GERAN CCO ................................................................................................... 244 Collection Time for GERAN Redirection ....................................................................................... 245 Collection Time for CSFB PSHO to GERAN.................................................................................... 246 Collection Time for CSFB GERAN CCO .......................................................................................... 247 Collection Time for CSFB GERAN Redirection .............................................................................. 248 Collection time for VoLTE Intra handover .................................................................................... 249 Collection time for VoLTE X2 handover....................................................................................... 249 Collection time for VoLTE S1 handover ........................................................................................ 250
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List of Figures
Figure 412. Figure 413. Figure 414. Figure 415. Figure 416. Figure 417. Figure 418. Figure 419. Figure 420. Figure 421. Figure 422. Figure 423. Figure 424. Figure 425. Figure 426. Figure 427. Figure 428. Figure 429. Figure 430. Figure 431. Figure 432. Figure 433. Figure 434. Figure 435. Figure 436. Figure 437. Figure 438. Figure 439. Figure 440. Figure 441. Figure 442. Figure 443. Figure 444. Figure 445. Figure 446. Figure 447. Figure 448. Figure 449. Figure 450. Figure 451. Figure 452. Figure 453. Figure 454. Figure 455. Figure 456. Figure 457. Figure 458. Figure 459. Figure 460. Figure 461. Figure 462. Figure 463.
Collection time for VoLTE intra handover time ............................................................................ 251 Collection time for VoLTE X2 handover time ............................................................................... 251 Collection time for VoLTE S1 handover time ............................................................................... 252 Collection time for Downlink VoLTE quality defect ...................................................................... 253 Collection time for Uplink VoLTE quality defect .......................................................................... 253 Collection Time for GTP Sequence Number per QCI .................................................................... 254 Collection Time for GTP Sequence Number per eNB ................................................................... 254 Collection Time for GTP Forward Traffic ...................................................................................... 255 Collection Time for GTP Forward Traffic ...................................................................................... 255 Collection Time for GTP Forward Traffic ...................................................................................... 256 Collection Time for PdcpSduBitrateDLTot .................................................................................... 257 Collection Time for PdcpSduBitrateULTot.................................................................................... 257 Collection Time for PdcpSduDropRateDL ..................................................................................... 258 Collection Time for PdcpSduLossRateUL, PdcpSduLossUlNum .................................................... 258 Collection Time for S1SIG (1)........................................................................................................ 259 Collection Time for S1SIG (2)........................................................................................................ 259 Collection Time for S1SIG (3)........................................................................................................ 259 Collection Time for S1ConnEstabFail_S1apSigTo ......................................................................... 260 Collection Time for PAGING ......................................................................................................... 261 Statistics for Idle LB ...................................................................................................................... 262 Handover Statistics for MLB ......................................................................................................... 263 Redirection Statistics for MLB ...................................................................................................... 264 IRAT Redirection Statistics for MLB .............................................................................................. 264 Collection Time for Load .............................................................................................................. 265 Collection Time for Load Histogram ............................................................................................. 265 Handover Statistics for On-demand Forced Handover ................................................................ 266 Redirection Statistics for On-demand Forced Handover ............................................................. 267 Release Statistics for Timer based Release .................................................................................. 267 Handover Statistics for FeICIC ...................................................................................................... 268 Partnership Count for FeICIC ........................................................................................................ 269 Load and CRE UE Count for FeICIC ............................................................................................... 269 eICIC UE Count for FeICIC ............................................................................................................. 270 Denied Call Count for Overload Protection .................................................................................. 271 Collection Time for M2ConnEstabAtt (1) ..................................................................................... 272 Collection Time for M2ConnEstabAtt (2) ..................................................................................... 272 Collection Time for M2ConnEstabAtt (3) ..................................................................................... 273 Collection Time for M2ConnEstabAtt (4) ..................................................................................... 273 Collection Time for M2ConnEstabAtt (5) ..................................................................................... 273 Collection Time for M2ConnEstabAtt (6) ..................................................................................... 274 Collection Time for M2ConnEstabSucc ........................................................................................ 274 Collection Time for M2ConnEstabFail_M2apCuFail (1) ............................................................... 274 Collection Time for M2ConnEstabFail_M2apCuFail (2) ............................................................... 275 Collection Time for M2ConnEstabFail_M2apCuFail (3) ............................................................... 275 Collection Time for M2ConnEstabFail_M2apLinkFail .................................................................. 275 Collection Time for SessionStartAtt ............................................................................................. 276 Collection Time for SessionStartSucc ........................................................................................... 276 Collection Time for SessionStartFail_M2apCuFail (1) .................................................................. 276 Collection Time for SessionStartFail_M2apCuFail (2) .................................................................. 276 Collection Time for SessionStartFail_M2apCuFail (3) .................................................................. 277 Collection Time for SessionStartFail_M2apLinkFail ..................................................................... 277 Collection Time for SessionStopAtt .............................................................................................. 277 Collection Time for SessionStopSucc ........................................................................................... 277
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List of Figures
Figure 464. Figure 465. Figure 466. Figure 467. Figure 468. Figure 469. Figure 470. Figure 471. Figure 472. Figure 473. Figure 474. Figure 475. Figure 476. Figure 477. Figure 478. Figure 479. Figure 480. Figure 481. Figure 482. Figure 483. Figure 484. Figure 485. Figure 486. Figure 487. Figure 488. Figure 489. Figure 490. Figure 491. Figure 492. Figure 493. Figure 494. Figure 495. Figure 496. Figure 497. Figure 498. Figure 499. Figure 500. Figure 501. Figure 502. Figure 503. Figure 504. Figure 505. Figure 506. Figure 507. Figure 508. Figure 509. Figure 510. Figure 511. Figure 512. Figure 513. Figure 514. Figure 515.
Collection Time for SessionStopFail_M2apLinkFail ...................................................................... 278 Collection Time for SessionStartFail_M2OtherReasons ............................................................... 278 Collection Time for M2ConnEstabAtt (1) ..................................................................................... 279 Collection Time for M2ConnEstabAtt (2) ..................................................................................... 279 Collection Time for M2ConnEstabAtt (3) ..................................................................................... 279 Collection Time for M2ConnEstabAtt (4) ..................................................................................... 280 Collection Time for M2ConnEstabAtt (5) ..................................................................................... 280 Collection Time for M2ConnEstabAtt (6) ..................................................................................... 280 Collection Time for M2ConnEstabSucc ........................................................................................ 281 Collection Time for M2ConnEstabFail_M2apCuFail (1) ............................................................... 281 Collection Time for M2ConnEstabFail_M2apCuFail (2) ............................................................... 281 Collection Time for M2ConnEstabFail_M2apCuFail (3) ............................................................... 282 Collection Time for M2ConnEstabFail_M2apLinkFail .................................................................. 282 Collection Time for SessionStartAtt ............................................................................................. 282 Collection Time for SessionStartSucc ........................................................................................... 283 Collection Time for SessionStartFail_M2apCuFail (1) .................................................................. 283 Collection Time for SessionStartFail_M2apCuFail (2) .................................................................. 283 Collection Time for SessionStartFail_M2apCuFail (3) .................................................................. 283 Collection Time for SessionStartFail_M2apLinkFail ..................................................................... 284 Collection Time for SessionStopAtt .............................................................................................. 284 Collection Time for SessionStopSucc ........................................................................................... 284 Collection Time for SessionStopFail_M2apLinkFail ...................................................................... 284 Collection Time for SessionStartFail_M2OtherReasons ............................................................... 285 Collection Time for Cell Sync (2) .................................................................................................. 286 Collection Time for CaCapaPCellUE (1) in Initial Attach case ....................................................... 287 Collection Time for CaCapaPCellUE (1) in X2 Handover case ....................................................... 287 Collection Time for CaCapaPCellUE (1) in S1 Handover case ....................................................... 288 Collection Time for Initial Attach ................................................................................................. 289 Collection Time for Intra eNB Handover ...................................................................................... 289 Collection Time for X2 eNB Handover .......................................................................................... 290 Collection Time for S1 eNB Handover .......................................................................................... 291 Collection Time for A4 Event ........................................................................................................ 292 Collection Time for A6 Event ........................................................................................................ 292 Collection Time for A2 Event ........................................................................................................ 293 Collection Time for Rrc Connection Reestablishment.................................................................. 293 Collection Time for Rrc Connection Release ................................................................................ 294 Collection Time for Coverage Hole............................................................................................... 295 Collection Time for Coverage Hole N ........................................................................................... 296 Collection Time for Topo Early HO Failure ................................................................................... 297 Collection Time for Too Early HO RLF After HO ........................................................................... 298 Collection Time for Too Late HO RLF Before Triggering ............................................................... 299 Collection Time for Too Late HO RLF After Triggering ................................................................. 300 Collection Time for Wrong Cell RLF After Triggering.................................................................... 301 Collection Time for Wrong Cell RLF After HO ............................................................................... 302 Collection Time for Ping-pong Handover ..................................................................................... 303 Collection Time for Coverage Hole At Setup ................................................................................ 304 Collection Time for Coverage Hole At Setup N ............................................................................ 305 Collection Time for Too Early HO Failure At Setup ...................................................................... 306 Collection Time for Too Early HO RLF After HO At Setup ............................................................. 307 Collection Time for Too Late HO RLF Before Trigger At Setup ..................................................... 308 Collection Time for HO To Wrong Cell RLF After Triggering At Setup .......................................... 309 Collection Time for HO to Wrong Cell RLF After HO At Setup...................................................... 310
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List of Figures
Figure 516. Figure 517. Figure 518.
Collection Time for S1APUEAmbrOverride .................................................................................. 311 Collection Time for S1APUEAmbrOverride in S1 handover case ................................................. 311 Collection Time for X2APUEAmbrOverride in X2 handover case ................................................. 312
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List of Tables Table 1.
Counter Description Fields ............................................................................................................... 1
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Preface This description provides call flows and detailed description for statistic items collected in the Samsung LTE eNB system for analysis.
Relevance This manual applies to the following products/software. Name
Type
PKG 5.0.0
Software
Conventions in this Document Samsung Networks product documentation uses the following conventions.
Symbols Symbol
Description Indicates a task. Indicates a shortcut or an alternative method. Provides additional information. Provides information or instructions that you should follow to avoid service failure or damage to equipment. Provides information or instructions that you should follow to avoid personal injury or fatality. Provides antistatic precautions that you should observe.
Menu Commands menu | command This indicates that you must select a command on a menu, where menu is the name of the menu, and command is the name of the command on that menu.
File Names and Paths These are indicated by a bold typeface. For example: Copy filename.ext into the /home/folder1/folder2/bin/ folder.
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Preface
User Input and Console Screen Output Text Input and output text is presented in the Courier font. For example, context CLI commands are presented in bold small caps. For example, Type the RTRV-NE-STS command in the input field.
New and Changed Information The following table describes information that has been added or changed since the previous publication of this document. Item
Description
Added Family
Below Family added eICIC eICIC ABS Pattern Info eICIC Partnership CQI for DL Volte bearer Bin distribution of SINR for UL Volte bearer HARQ performance for Volte bearer VoLTE Handover time VoLTE Quality Defect DL PDCP PDU discard rate Two-Way Active Measurement Protocol Light CFM Y.1731 Performance Monitoring DL LAYER DL MCS Load Histogram Carrier Aggregation Message count for Activation-Deactivation (SCell) CA Activation Information CA Addition Information Carrier Aggregation Message count for Addition-Release (SCell) Carrier Aggregation capable UEs (PCell) CA UE per number of CC SCell Added Information (PCell) Rach Success Rate VoLTE Quality E-RAB Erase Measurement Report OnDemand Redirection Released UE by Timer OnDemand Handover X2 In OnDemand Handover X2 Out Intra-eNB In Handover Preemption Handover Preemption Handover per E-RAB
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Preface Item
Description CSFB Redirection Out CSFB GERAN Redirection
Deleted type
Below types are deleted Related Family name: VoLTE Handover Success Rate o SumVoLTE_IntraEnbAtt o SumVoLTE_IntraEnbPrepSucc o SumVoLTE_IntraEnbSucc o VoLTE_IntraHoSuccessRate o SumVoLTE_InterX2OutAtt o SumVoLTE_InterX2OutPrepSucc o SumVoLTE_InterX2OutSucc o VoLTE_X2HoSuccessRate o SumVoLTE_InterS1OutAtt o SumVoLTE_InterS1OutPrepSucc o SumVoLTE_InterS1OutSucc o VoLTE_S1HoSuccessRate
Added type
Below type added Related Family name: GTP Sequence Number per eNB o GtpSnEnbDeltaLoss, GtpSnEnbDeltaLossRate Related Family name: GTP Sequence Number per QCI o GtpSnQciDeltaLoss Related Family name: Active UE Number o SumActiveUEDL, SumActiveUEUL Related Family name: Packet Loss Rate o PdcpSduTotalULNum, PdcpSduLossULNum Related Family name: Cell Unavailable Time o CellUnavailableTimeES Related Family name: Total PRB Usage o TotPucchPrbULAvg, TotUsedPucchPrbULNum, TotAvailPrbULNum, TotPucchPuschPrbULAvg, TotUsedPuschPrbULNum, TotNgbrSCellPrbDLAvg, TotNgbrSCellPrbDLNum, TotAvailPrbDLNum Related Family name: Air MAC Packet o ULIpThruVol, ULIpThruTime, ULIpThruAvg Related Family name: Air RLC Packet o IpThruThpVoDLByte, IpThruThpDLTime Related Family name: Ethernet Packet o RxThruPeak, TxThruPeak, RxThruPeakCnt, TxThruPeakCnt Related Family name: RRC Connection Re-establishment o ConnReEstabFail_S1apLSigFail Related Family name: RRC Connection Release o ConnRelease_CpPreemption Related Family name: MBMS eNB Sync o DroppedSyncPduCount_ADR, DroppedSyncPduByte_ADR Related Family name: DL Wideband CQI (PCell) o CQIErase Related Family name: DL Wideband CQI (SCell) o CQIErase Related Family name: UE Category o UECategory6, UECategory7, UECategory8, UECategory9,
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Preface Item
Description UECategory10, UECategory11, UECategory12, UECategory13, UECategory14, UECategory15, UECategory0
Revision History The following table lists all versions of this document. Document Number
Product/Software Version
Document Version
Publication Date
Remarks
2600-00GWOOGAT
PKG 4.0
1.0
October 2014
First version
2600-00I19BGAT
PKG 5.0.0
1.0
July 2015
First version
Organization of This Document Section
Title
Description
Chapter 1
Introduction
This chapter describes the information of counter description fields.
Chapter 2
Counter Descriptions
This chapter describes index, family and type information of counters.
Appendix A
Acronyms
This chapter lists the acronyms used in this document.
Appendix B
Call Flow
This chapter describes call flows in the Single RAN system.
Related Documentation
Samsung LTE eNB Operation Manual
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Preface
Personal and Product Safety This product safety information includes European directives, which you must follow. If these do not apply in your country, please follow similar directives that do apply in your country.
CE Marking Samsung networks equipment supplied to certain European countries carries a CE marking. This is the manufacturer's declaration demonstrating that the product complies with the Radio and Telecommunications Terminal Equipment (R & TTE) Directive (1999/5/EC).
Electrical The product is designed to operate from a -48 V DC supply and is therefore classified as Safe Extra Low Voltage (SELV) equipment. All structural parts are grounded and all input and outputs have built-in isolation from the network. All input and output ports that connect to external power sources are designed to meet relevant national safety requirements. The product contains hazardous energy levels as defined by EN 60950. Care must be taken when maintaining this equipment as injury to personnel or damage to the equipment could result from mistakes. Maintenance should only be carried out by trained and competent engineers who are familiar with the relevant procedures and instructions.
Lasers The product is fitted with optic modules rated as Class 1 radiation-emitting devices under EN 60825-1. During installation, operation, and maintenance, never look into the end of an optical fiber directly or by reflection either with the naked eye or through an optical instrument. Do not operate equipment with exposed fiber connectors-cover these with fiber cables or blanking caps. Do not remove equipment covers during operation unless requested to do so in the documentation. Carry out normal safety precautions when trimming fibers during installation.
Manual Handling Care should be taken when handling equipment. Give due consideration to the weight of the equipment, the physical capability of the individual(s) handling the equipment, and movements such as twisting, bending and stooping, which could lead to skeletal and muscular injuries.
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Preface
Installation Installation must be carried out by trained and competent engineers only. All relevant safety measures should be taken to ensure equipment is not connected to live power and transmission sources during installation. Equipment must be correctly installed in order to meet the relevant safety standards and approval conditions. Each power feed to the unit requires a separate fused feed from the provided power supply. The cable between the power distribution point and the installed equipment must have a minimum cross-sectional area of 2.5 mm2. Rack-mountable equipment must be placed in a standard 19-inch rack and secured with the appropriate fixings as detailed in the installation manual.
Maintenance Maintenance must only be carried out by a suitably trained and competent technician. All safety instructions must be carefully observed at all times. Equipment covers should not be removed while live power and transmission is connected unless in a controlled environment by trained technicians.
Fire The product is powered from a -48 V DC supply. To protect against fire, the equipment is fused.
Environment The product must be operated in an environment with the specified relative humidity and ambient temperature ranges. Keep all liquids away from the equipment as accidental spillage can cause severe damage.
Cooling The product cools down by its own set of cooling fans housed in a fan module. Each fan module detects a fan that is not operating normally. LEDs on the front panel of the fan tray provide an alarm indication in the event of fan failure. In the event of fan failure, take urgent remedial action to restore full cooling capacity. Take appropriate measures to ensure that fan modules do not start spinning during repair and maintenance procedures.
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Preface
Anti-Static Precautions The circuit boards and other modules in the product are sensitive to and easily damaged by static electricity. If any card or sub-assembly is removed from the unit, the following anti-static precautions must be observed at all times:
Service personnel must wear anti-static wrist straps.
Circuit boards and sub-assemblies must be placed on ground conductive mats or in conductive bags.
All tools must be discharged to ground before use.
The anti-static wrist strap and cord must be checked at regular intervals for their suitability for use.
Grounding To comply with EN 60950, the equipment must be connected to a safety grounding point via a permanent link. Grounding points are located on the product for this purpose. Always connect the ground cable before fitting other cables. The product must remain grounded continuously unless all connections to the power supply and data network are all removed. If equipment is grounded through a cabinet or rack, make sure it is done so properly according to the installation instructions.
Power Supply Connection The equipment is designed to be powered from a -48 V DC supply. Power connections and installation of associated wiring must be carried out by a suitably qualified technician. Only devices that comply with all relevant national safety requirements should be connected to the unit's power supply inlets. Other usage will invalidate any approval given to this equipment. Connection of this equipment to devices that are not marked with all relevant national safety requirements may produce hazardous conditions on the network. When the power supply is obtained by a rectifier/safety isolation transformer, the supply must meet the requirements of EN 60950 providing double/reinforced insulation between hazardous voltages and SELV/TNV circuits. Any battery must be separated from hazardous voltages by reinforced insulation.
Indirect Connection Before indirectly connecting any equipment to another device through a shared power supply, ALWAYS seek advice from a competent engineer. Devices that are not marked according to the relevant national safety standards may produce hazardous conditions on the network.
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Preface
Product Disposal To reduce the environmental impact of products, Samsung has joined WEEE compliance activities. The WEEE symbol on the product indicates that the product is covered by the European Directive 2002/96/CE for the disposal of Waste Electrical and Electronic Equipment (WEEE). This means that the product should be disposed of separately from the municipal waste stream via designated collection facilities appointed by the government or the local authorities. This will help prevent potential negative consequences for the environment and human health. Please check the terms and conditions of the purchase contract for information about correct disposal.
Battery Disposal The product contains a battery on the processor card. The battery should not be disposed of with other household waste. Where marked, the chemical symbols Hg, Cd or Pb indicate that the battery contains mercury, cadmium or lead above the reference levels in EC Directive 2006/66. The battery incorporated in this product is not user replaceable. For information on its replacement, please contact your service provider. Do not attempt to remove the battery or dispose it in a fire. Do not disassemble, crush, or puncture the battery. End of life recycling materials information is available from Samsung.
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Preface
Equipment Markings This marking on the product, accessories or literature indicates that the product and its electronic accessories (e.g. charger, headset, USB cable) should not be disposed of with other household waste at the end of their working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate these items from other types of waste and recycle them responsibly to promote the sustainable reuse of material resources. For more information on safe disposal and recycling, visit our website www.samsung.com/in or contact our Helpline numbers – 18002668282, 180030008282.
Correct disposal of batteries in this product (Applicable in countries with separate collection systems.) The marking on the battery, manual or packaging indicates that the battery in this product should not be disposed of with other household waste. Where marked, the chemical symbols Hg, Cd or Pb indicate that the battery contains mercury, cadmium or lead above the reference levels in EC Directive 2006/66. The battery incorporated in this product is not user replaceable. For information on its replacement, please contact your service provider. Do not attempt to remove the battery or dispose it in a fire. Do not disassemble, crush, or puncture the battery. If you intend to discard the product, the waste collection site will take the appropriate measures for the recycling and treatment of the product, including the battery.
This product is RoHS compliant.
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Chapter 1
Introduction
The Samsung LTE eNB for PKG 5.0.0 counters report statistical performance measurements by data samples and data points over time. Each counter can be described using the following items listed in Table 1 below. Table 1. Counter Description Fields Field
Description
Family Display Name/ID/Name/ Description
A group of counters with the same type that can be identified by the index. A family has a unique family ID, and family name. Family Display Name: Unique family name used by LSM. Family ID: Unique ID for a family. Family Name: Unique name of a family. Family Description: Short description of a family.
Index Name/Description
A logical or physical location of the unit information for collecting counters. Index Name: Unit for collecting counters. Index Description: Short description of index.
Type Info
Type ID
A certain unique ID assigned to every Counter.
Type Name
The name of a counter
Type Description
Describes a counter
Trigger
Describes the particular trigger event, trigger duration, trigger condition for the Counter and describes what kind of EVENT updates the counter.
Data Type
Displayed counter type on LSM
Visible
Shows whether a type is displayed in the LSM
Counter Type
The operation of each counter type CC (Cumulative Counter): The NE maintains a running count of the event being counted. The counter is reset to a well-defined value (usually 0) at the beginning of each granularity period. SI (Status Inspection): Network elements maintain internal counts for resource management purposes. These counts are read at a predetermined rate, the rate is usually based upon the expected rate of change of the count value. Status inspection measurements shall be reset at the beginning of the granularity period and will only have a valid result at the end of the granularity period. Application updates the based value, it calculates average value automatically. Average means cumulated value divides with update count meaning. GAUGE (Gauge): Gauges represent dynamic variables that may change in either direction. Gauges can be integer or real values. If a gauge is required to produce low and high tide marks for a granularity period (e.g. minimum and maximum call duration), then it is reinitialized at the beginning of each granularity period. OW (Over-Write): Over-Write represents snapshot variables. OverWrite would be the latest value at the end of the granularity period.
Period
Counter gathering period
Unit
The collection unit of each counter % (percentage) s (seconds)
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Chapter 1 Introduction Field
Description
ms (milliseconds) count Mbyte (Megabytes) Mbps (Megabits per second)
Range Min./Max.
Describes min and max value of statistics type
Hourly, Daily, Monthly Formula
Describes the hourly, daily, monthly formula for the statistics type
Parameter non-inputting Calculation Formula
Describes the calculation formula for non-inputting parameter
Collection Unit Formula
Describes the granularity formula for the statistics type
Reference Call Flow
Call flows related to the counter
Refer to Samsung LTE eNB Operation Manual for PKG 5.0.0 to retrieve statistics data using LSM GUI.
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Chapter 2
Counter Description
See the LTE eNB system counters that are listed with details in the separate Microsoft Excel spreadsheet. (Refer to the attached Counter Excel file.)
LTE eNB Counter Description for SLR 5.0.0_Ver.1.0_Rel_EN.xlsx
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Appendix A Acronyms CC CLI GUI LTE NE OW SI
Cumulative Counter Command Line Interface Graphic User Interface Long Term Evolution Network Element Over-Write Status Inspection
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Appendix B Call Flow See the LTE eNB Call Flow Diagram with each title in the figures.
Packet Statistics PDCP Packet Figure 1. Collection Time for PacketULByte UE
eNB
MME
S/GW
RRC_CONNECTED Uplink DRB Packet Send - PacketULByte - PacketULCnt
Uplink DRB Packet Receive
Figure 2. Collection Time for EnbQciDLByte UE
eNB
MME
S/GW
RRC_CONNECTED Downlink DRB Packet Send - EnbQciDLByte - EnbQciDLCnt
Downlink DRB Packet Receive
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Appendix B Call Flow
PDCP Packet per PLMN Figure 3. Collection Time for PLMN0EnbQciULByte UE
eNB
MME
S/GW
RRC_CONNECTED
Uplink DRB Packet(PLMN0) Send - PLMN0EnbQciULByte
Uplink DRB Packet(PLMN0) Receive
Figure 4. Collection Time for PLMN1EnbQciULByte UE
eNB
MME
S/GW
RRC_CONNECTED
Uplink DRB Packet(PLMN1) Receive
Uplink DRB Packet(PLMN1) Send - PLMN1EnbQciULByte
Figure 5. Collection Time for PLMN2EnbQciULByte UE
eNB
MME
S/GW
RRC_CONNECTED
Uplink DRB Packet(PLMN2) Receive
Uplink DRB Packet(PLMN2) Send - PLMN2EnbQciULByte
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Appendix B Call Flow
Figure 6. Collection Time for PLMN3EnbQciULByte UE
eNB
MME
S/GW
RRC_CONNECTED
Uplink DRB Packet(PLMN3) Receive
Uplink DRB Packet(PLMN3) Send - PLMN3EnbQciULByte
Figure 7. Collection Time for PLMN4EnbQciULByte UE
eNB
MME
S/GW
RRC_CONNECTED
Uplink DRB Packet(PLMN4) Receive
Uplink DRB Packet(PLMN4) Send - PLMN4EnbQciULByte
Figure 8. Collection Time for PLMN5EnbQciULByte UE
eNB
MME
S/GW
RRC_CONNECTED
Uplink DRB Packet(PLMN5) Receive
Uplink DRB Packet(PLMN5) Send - PLMN5EnbQciULByte
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Appendix B Call Flow
Figure 9. Collection Time for PLMN0EnbQciDLByte UE
eNB
MME
S/GW
RRC_CONNECTED
Downlink DRB Packet(PLMN0) Send - PLMN0EnbQciDLByte
Downlink DRB Packet(PLMN0) Receive
Figure 10. Collection Time for PLMN1EnbQciDLByte UE
eNB
MME
S/GW
RRC_CONNECTED
Downlink DRB Packet(PLMN1) Send - PLMN1EnbQciDLByte
Downlink DRB Packet(PLMN1) Receive
Figure 11. Collection Time for PLMN2EnbQciDLByte UE
eNB
MME
S/GW
RRC_CONNECTED
Downlink DRB Packet(PLMN2) Send - PLMN2EnbQciDLByte
Downlink DRB Packet(PLMN2) Receive
Figure 12. Collection Time for PLMN3EnbQciDLByte UE
eNB
MME
S/GW
RRC_CONNECTED
Downlink DRB Packet(PLMN3) Send - PLMN3EnbQciDLByte
Downlink DRB Packet(PLMN3) Receive
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Appendix B Call Flow Figure 13. Collection Time for PLMN4EnbQciDLByte UE
eNB
MME
S/GW
RRC_CONNECTED
Downlink DRB Packet(PLMN4) Send - PLMN4EnbQciDLByte
Downlink DRB Packet(PLMN4) Receive
Figure 14. Collection Time for PLMN5EnbQciDLByte UE
eNB
MME
S/GW
RRC_CONNECTED
Downlink DRB Packet(PLMN5) Send - PLMN5EnbQciDLByte
Downlink DRB Packet(PLMN5) Receive
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Appendix B Call Flow
RRC The following figure shows the statistical definition and message flow for each stage of the Idle to Active (Service Request) procedure by the UE, which allows to identify the overall handling of the RRC/E-RAB/S1 SIG statistics. Figure 15. RRC/E-RAB/S1 SIG Statistics Processing UE
eNB
EPC
MME
S/GW
(1) Random Access Procedure (2) RRCConnectionRequest (3) RRCConnectionSetup
[Step 1] RRC establishment
(4) RRCConnectionSetupComplete (SERVICE REQUEST)
(5) Initial UE Message (SERVICE REQUEST)
(6) Authentication/NAS Security Setup (8) SecurityModeCommand
[Step 2] S1SIG setting
(7) INITIAL CONTEXT SETUP REQUEST (SERVICE ACCEPT)
(9) SecurityModeComplete (10) RRCConnectionReconfiguration (SERVICE ACCEPT)
[Step 3] E-RAB establishment
(11) RRCConnectionReconfiguration Complete Uplink data
Uplink data (12) INITIAL CONTEXT SETUP RESPONSE
(13) Modify Bearer Request (14) Modify Bearer Response
Downlink data
Downlink data
Step
Description
1)
The UE performs the Random Access procedure with the eNB.
2)-4)
The UE transmits the NAS SERVICE REQUEST message to the MME. The SERVICE REQUEST message is encapsulated in an RRC message transmitted to the eNB.
5)
The Pico eNB includes the SERVICE REQUEST message in the INITIAL UE message, which is an S1-AP Control message, and transmits it to the MME.
6)
If there is no UE context for the UE in the network, the integrity is not protected for the ATTACH REQUEST message, or the integrity check fails, an authentication and an NAS security setup are always performed. The UE performs the EPS AKA procedure (TS 33.401, 6.1.1) with the MME. The MME sets up an NAS security association with the UE using the NAS SMC procedure (TS 33.401, 7.2.4.4).
7)
The MME transmits the S1-AP Initial Context Setup Request message to the eNB. This step activates both the radio bearer and S1 bearer for all active EPS bearers.
8)-11)
The eNB sets up the RRC radio bearers. The user plane security is set up at this step. The uplink data from the UE can be sent to the S-GW by the S-GW. The eNB transmits the uplink data to the S-GW, and then the S-GW transmits it to the P-GW.
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Appendix B Call Flow Step
Description
12)
The Pico eNB transmits the INITIAL CONTEXT SETUP RESPONSE message (S1-AP) to the MME.
13)-14)
For each PDN connection, the MME transmits the Modify Bearer Request message to the S-GW. Now, the S-GW can transmit the downlink data to the UE. The S-GW transmits the Modify Bearer Response message to the MME.
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Appendix B Call Flow
RRC Connection Establishment Figure 16. Collection Time for RRC Connection Establishment UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
2
ConnEstabSucc
RRCConnectionSetup
RRCConnectionSetupComplete
Figure 17. Collection Time for ConnEstabFail_CpCcTo eNB UE
MAC/RLC/PDCP
ECCB
MME
S/GW
RRC_IDLE RRCConnectionRequest
ConnEstabAtt
1
RRCConnectionSetup Timer RRCConnectionSetup Success Message
X
2
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
Failure - ConnEstabFail_CpCcTo
12
Appendix B Call Flow Figure 18. Collection Time for ConnEstabFail_CpCcFail (1) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest 1
ConnEstabAtt
RRCConnectionSetup ECMB reset 2
Failure - ConnEstabFail_CpCcFail
Figure 19. Collection Time for ConnEstabFail_CpCcFail (2) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
RRCConnectionSetup Cell disabled 2
Failure - ConnEstabFail_CpCcFail
Figure 20. Collection Time for ConnEstabFail_CpCcFail (3) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
RRCConnectionSetup Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC 2
Failure - ConnEstabFail_CpCcFail
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Appendix B Call Flow Figure 21. Collection Time for ConnEstabFail_CpCcFail (4) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
RRCConnectionSetup RRCConnectionSetupComplete Available MME doesn’t exist 2
Failure - ConnEstabFail_CpCcFail
Figure 22. Collection Time for ConnEstabFail_UpMacFail (1) eNB UE
ECCB
MAC
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
2
Failure - ConnEstabFail_UpMacFail
RRCConnectionSetup Fail Message
Figure 23. Collection Time for ConnEstabFail_UpMacFail (2) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
RRCConnectionSetup A Mismatch of UE information occurred in the execution of audit between the ECCB and MAC 2
Failure - ConnEstabFail_UpMacFail
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Appendix B Call Flow Figure 24. Collection Time for ConnEstabFail_UpPdcpFail eNB UE
ECCB
PDCP
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
2
Failure - ConnEstabFail_UpPdcpFail
RRCConnectionSetup Fail Message
Figure 25. Collection Time for ConnEstabFail_UpRlcFail (1) eNB UE
ECCB
RLC
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
2
Failure - ConnEstabFail_UpRlcFail
RRCConnectionSetup Fail Message
Figure 26. Collection Time for ConnEstabFail_UpRlcFail (2) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
RRCConnectionSetup A Mismatch of UE information occurred in the execution of audit between the ECCB and RLC 2
Failure - ConnEstabFail_UpRlcFail
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Appendix B Call Flow Figure 27. Collection Time for ConnEstabFail_RrcSigTo UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
RRCConnectionSetup Timer RRCConnectionSetup RRCConnectionSetupComplete 2
X
Failure - ConnEstabFail_RrcSigTo
Figure 28. Collection Time for ConnEstabFail_S1apLinkFail (1) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
RRCConnectionSetup S1 AP Link is Out of Service Status
X 2
Failure - ConnEstabFail_S1apLinkFail
Figure 29. Collection Time for ConnEstabFail_S1apLinkFail (2) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
RRCConnectionSetup SCTB reset 2
Failure - ConnEstabFail_S1apLinkFail
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Appendix B Call Flow Figure 30. Collection Time for ConnEstabFail_S1apSigFail UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
RRCConnectionSetup RESET 2
Failure - ConnEstabFail_S1apSigFail
Figure 31. Collection Time for ConnEstabReject_CpCcFaill (1) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
Cell disabled RRCConnectionReject 2
Failure - ConnEstabReject_CpCcFail
Figure 32. Collection Time for ConnEstabReject_CpCcFaill (2) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
Internal resource allocation Failure RRCConnectionReject 2
Failure - ConnEstabReject_CpCcFail
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Appendix B Call Flow Figure 33. Collection Time for ConnEstabReject_CpCcFail (3) UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
Available MME doesn’t exist RRCConnectionReject 2
Failure - ConnEstabReject_CpCcFail
Figure 34. Collection Time for ConnEstabReject_CpCapaCacFail UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
1
ConnEstabAtt
CAC based on Call Count per eNB Fail or CAC based on Call Count per Cell Fail RRCConnectionReject 2
Failure - ConnEstabReject_CpCapaCacFail
Figure 35. Collection Time for ConnEstabReject_S1apMmeOvld UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
ConnEstabAtt
1
MME OverLoad RRCConnectionReject 2
Failure - ConnEstabReject_S1apMmeOvld
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Appendix B Call Flow
RRC Connection Reconfiguration
Figure 36. Collection Time for ConnReconfigAtt UE
eNB
MME
S/GW
MME
S/GW
MME
S/GW
MME
S/GW
RRC_CONNECTED RRCConnectionReconfiguration
1
ConnReconfigAtt
Figure 37. Collection Time for ConnReconfigSucc UE
eNB RRCConnectionReconfiguration Complete
1
ConnReconfigSucc
Figure 38. Collection Time for SCellAddCount UE
eNB RRC_CONNECTED RRCConnectionReconfiguration (with sCellToAddModList)
1
SCellAddCount
Figure 39. Collection Time for SCellReleaseCount UE
eNB RRC_CONNECTED RRCConnectionReconfiguration (with sCellToReleaseList)
1
SCellReleaseCount
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Appendix B Call Flow
RRC Connection Re-establishment
Figure 40. Collection Time for RRC Connection Re-Establishment UE
eNB
MME
S/GW
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest RRCConnectionReestablishment RRCConnectionReestablishment Complete
1
ConnReEstabAtt
2
ConnReEstabSucc
RRC_CONNECTED
Figure 41. Collection Time for ConnReEstabFail_CpCcFail (1) UE
eNB RRC_CONNECTED
RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
RRCConnectionReestablishment ECMB reset 2
Failure - ConnReEstabFail_CpCcFail
Figure 42. Collection Time for ConnReEstabFail_CpCcFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
RRCConnectionReestablishment Cell disabled 2
Failure - ConnReEstabFail_CpCcFail
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Appendix B Call Flow Figure 43. Collection Time for ConnReEstabFail_CpCcFail (3) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
RRCConnectionReestablishment Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC 2
Failure - ConnReEstabFail_CpCcFail
Figure 44. Collection Time for ConnReEstabFail_CpCcFail (4) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
Internal resource allocation Failure 2
Failure - ConnReEstabFail_CpCcFail
Figure 45. Collection Time for ConnReEstabFail_UpMacFail (1) eNB UE
ECCB
MAC
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
2
Failure - ConnReEstabFail_UpMacFail
RRCConnectionReestablishment Fail Message
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Appendix B Call Flow
Figure 46. Collection Time for ConnReEstabFail_UpMacFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
RRCConnectionReestablishment A mismatch of UE information occurred in the execution of audit between the ECCB and MAC 2
Failure - ConnReEstabFail_UpMacFail
Figure 47. Collection Time for ConnReEstabFail_UpPdcpFail eNB UE
ECCB
PDCP
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
2
Failure - ConnReEstabFail_UpPdcpFail
RRCConnectionReestablishment Fail Message
Figure 48. Collection Time for ConnReEstabFail_UpRlcFail (1) eNB UE
ECCB
RLC
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
2
Failure - ConnReEstabFail_UpRlcFail
RRCConnectionReestablishment Fail Message
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Appendix B Call Flow Figure 49. Collection Time for ConnReEstabFail_UpRlcFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
RRCConnectionReestablishment A mismatch of UE information occurred in the execution of audit between the ECCB and RLC Failure - ConnReEstabFail_UpRlcFail
2
Figure 50. Collection Time for ConnReEstabFail_RrcSigTo (1) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest ConnReEstabAtt
1
RRCConnectionReestablishment
Timer RRCConnectionReEstablish RRCConnectionReestablishmentComplete
X
2
Failure - ConnReEstabFail_RrcSigTo
Figure 51. Collection Time for ConnReEstabFail_RrcSigTo (2) eNB UE
MAC/RLC/PDCP
ECCB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
ConnReEstabAtt
1
RRCConnectionReestablishment
Timer RRCConnectionReEstablish
Success Message
X
2
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
Failure - ConnReEstabFail_RrcSigTo
23
Appendix B Call Flow
Figure 52. Collection Time for ConnReEstabFail_S1apLinkFail (1) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest 1
ConnReEstabAtt
RRCConnectionReestablishment
S1 AP Link is Out of Service Status
X 2
Failure - ConnReEstabFail_S1apLinkFail
Figure 53. Collection Time for ConnReEstabFail_S1apLinkFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest 1
ConnReEstabAtt
RRCConnectionReestablishment SCTB reset 2
Failure - ConnReEstabFail_S1apLinkFail
Figure 54. Collection Time for ConnReEstabFail_S1apSigFail (1) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
RRCConnectionReestablishment S1AP UE CONTEXT RELEASE COMMAND 2
Failure - ConnReEstabFail_S1apSigFail
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Appendix B Call Flow Figure 55. Collection Time for ConnReEstabFail_S1apSigFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest 1
ConnReEstabAtt
RRCConnectionReestablishment RESET 2
Failure - ConnReEstabFail_S1apSigFail
Figure 56. Collection Time for ConnReEstabReject_CpCcFail (1) UE
eNB
MME
RRCConnectionReestablishmentRequest 1
S/GW
ConnReEstabAtt
No context information about the existence of the UE RRCConnectionReestablishmentReject 2
Failure - ConnReEstabReject_CpCcFail
Figure 57. Collection Time for ConnReEstabReject_CpCcFail (2) UE
eNB
MME
S/GW
Attach Procedure is not completed RRCConnectionReestablishmentRequest 1
ConnReEstabAtt
2
Failure - ConnReEstabReject_CpCcFail
RRCConnectionReestablishmentReject
Figure 58. Collection Time for ConnReEstabReject_CpCcFail (3) UE
Target eNB
MME
S/GW
SN STATUS TRANSFER message is yet to be received from the source eNB or MME STATUS TRANSFER message is yet to be received from the MME when inter-eNB handvoer operation is perfomed. RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
2
Failure - ConnReEstabReject_CpCcFail
RRCConnectionReestablishmentReject
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25
Appendix B Call Flow Figure 59. Collection Time for ConnReEstabReject_CpCcFail (4) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
Cell Barred RRCConnectionReestablishmentReject 2
Failure - ConnReEstabReject_CpCcFail
Figure 60. Collection Time for ConnReEstabReject_CpCcFail (5) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
Cell Locked or Shutting Down RRCConnectionReestablishmentReject 2
Failure - ConnReEstabReject_CpCcFail
Figure 61. Collection Time for ConnReEstabReject_CpCcFail (6) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
Pre-emption Fail RRCConnectionReestablishmentReject 2
Failure - ConnReEstabReject_CpCcFail
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26
Appendix B Call Flow
Figure 62. Collection Time for ConnReEstabReject_CpCapaCacFail UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
1
ConnReEstabAtt
CAC based on Call Count per Cell Fail or CAC based on DRB Count per Cell Fail RRCConnectionReestablishmentReject 2
Failure - ConnReEstabReject_CoCapaCacFail
Figure 63. Collection Time for ConnReEstabReject_CpQosCacFail UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest 1
ConnReEstabAtt
CAC based on QoS Fail RRCConnectionReestablishmentReject 2
Failure - ConnReEstabReject_CpQosCacFail
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27
Appendix B Call Flow
RRC Connection Release Figure 64. Collection Time for ConnRelease_CpCcNormal UE
eNB
MME
S/GW
RRC_CONNECTED RRC connection release by normal operation RRCConnectionRelease
1
ConnRelease_CpCcNormal
Figure 65. Collection Time for ConnRelease_CpCcTo eNB UE
MAC/RLC/ PDCP/GTP
ECCB
MME
S/GW
RRC_CONNECTED Success Message
X
RRC connection release by internal message timeout RRCConnectionRelease
1
Failure - ConnRelease_CpCcTo
Figure 66. Collection Time for ConnRelease_CpCcFail (1) UE
eNB
MME
S/GW
RRC_CONNECTED ECMB reset RRCConnectionRelease
1
Failure - ConnRelease_CpCcFail
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28
Appendix B Call Flow
Figure 67. Collection Time for ConnRelease_CpCcFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED Cell disabled RRCConnectionRelease
1
Failure - ConnRelease_CpCcFail
Figure 68. Collection Time for ConnRelease_CpCcFail (3) UE
eNB
MME
S/GW
RRC_CONNECTED Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC RRCConnectionRelease
1
Failure - ConnRelease_CpCcFail
Figure 69. Collection Time for ConnRelease_CpCcFail (4) UE
eNB
MME
S/GW
RRC_CONNECTED Internal resource allocation Failure RRCConnectionRelease
1
Failure - ConnRelease_CpCcFail
Figure 70. Collection Time for ConnRelease_UpGtpFail eNB UE
GTP
ECCB
MME
S/GW
RRC_CONNECTED Fail Message RRCConnectionRelease
1
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
Failure - ConnRelease_UpGtpFail
29
Appendix B Call Flow Figure 71. Collection Time for ConnRelease_UpMacFail (1) eNB UE
ECCB
MAC
MME
S/GW
RRC_CONNECTED Fail Message RRCConnectionRelease 1
Failure - ConnRelease_UpMacFail
Figure 72. Collection Time for ConnRelease_UpMacFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED A mismatch of UE information occurred in the execution of audit between the ECCB and MAC 1
RRCConnectionRelease
Failure - ConnRelease_UpMacFail
Figure 73. Collection Time for ConnRelease_UpMacUEInact
UE
eNB
MME
S/GW
RRC_CONNECTED RRC connection release by Inactivity Timeout RRCConnectionRelease
1 Failure - ConnRelease_UpMacUEInact
Figure 74. Collection Time for ConnRelease_UpPdcpFail eNB UE
PDCP
ECCB
MME
S/GW
RRC_CONNECTED Fail Message RRCConnectionRelease
1
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
Failure - ConnRelease_UpPdcpFail
30
Appendix B Call Flow Figure 75. Collection Time for ConnRelease_UpRlcFail (1) eNB UE
ECCB
RLC
MME
S/GW
RRC_CONNECTED Fail Message RRCConnectionRelease
1
Failure - ConnRelease_UpRlcFail
Figure 76. Collection Time for ConnRelease_UpRlcFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED A mismatch of UE information occurred in the execution of audit between the ECCB and RLC RRCConnectionRelease
1
Failure - ConnRelease_UpRlcFail
Figure 77. Collection Time for ConnRelease_RrcHcTo UE
eNB
MME
S/GW
RRC_CONNECTED MeasurementReport HO Decision (Intra-eNB Handover) Target Cell Handover Preparation RRCConnectionReconfiguration RRCConnectionReconfigurationComplete
Timer IntraEnbHoComplete
X RRCConnectionRelease
1
Failure - ConnRelease_RrcHcTo
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31
Appendix B Call Flow Figure 78. Collection Time for ConnRelease_RrcSigFail (1) UE
eNB
MME
S/GW
RRC connection establishement Procedure is completed but Attach Procedure is not completed RRCConnectionReestablishmentRequest RRCConnectionReestablishmentReject RRCConnectionRelease
1
Failure - ConnRelease_RrcSigFail
Figure 79. Collection Time for ConnRelease_RrcSigFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionRequest (with S-TMSI) The call that have same S-TMSI exists already. so Delete the existing call RRCConnectionRelease
1
Failure - ConnRelease_RrcSigFail
Figure 80. Collection Time for ConnRelease_RrcSigFail (3) UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionRequest (with random value) The call that have same random value exists already. so Delete the existing call RRCConnectionRelease
1
Failure - ConnRelease_RrcSigFail
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32
Appendix B Call Flow
Figure 81. Collection Time for ConnRelease_RrcSigTo UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReconfiguration Timer RRCConnectionReconfig
Case 1. RRCConnectionReconfigurationComplete
X
RRCConnectionRelease
1
Failure - ConnRelease_RrcSigTo
RRCConnectionReestablishmentRequest RRCConnectionReestablishment Case 2.
RRCConnectionReestablishmentComplete
Timer RRCConnectionReEstablish
X
RRCConnectionRelease
1
Failure - ConnRelease_RrcSigTo
1
Failure - ConnRelease_RrcSigTo
SecurityModeCommand Case 3.
SecurityModeFailure RRCConnectionRelease
SecurityModeCommand Timer RRCSecurityModeCommand
SecurityModeComplete
X
Case 4.
RRCConnectionRelease
1
Failure - ConnRelease_RrcSigTo
UECapabilityEnquiry Case 5.
Timer RRCUeCapabilityEnquiry
UECapabilityInformation
X RRCConnectionRelease
1
Failure - ConnRelease_RrcSigTo
Figure 82. Collection Time for ConnRelease_CpBhCacFail UE
eNB
MME
S/GW
RRC_CONNECTED CAC based on backhaul bandwidth Fail RRCConnectionRelease
1
Failure - ConnRelease_CpBhCacFail
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33
Appendix B Call Flow Figure 83. Collection Time for ConnRelease_CpCapaCacFail UE
eNB
MME
S/GW
RRC_CONNECTED CAC based on Call Count per eNB Fail or CAC based on Call Count per Cell Fail RRCConnectionRelease
1
Failure - ConnRelease_CpCapaCacFail
Figure 84. Collection Time for ConnRelease_CpQosCacFail UE
eNB
MME
S/GW
RRC_CONNECTED
CAC based on QoS Fail
RRCConnectionRelease
1
Failure - ConnRelease_CpBhCacFail
Figure 85. Collection Time for ConnRelease_S1apCuFail UE
eNB
MME
S/GW
RRC_CONNECTED S1AP Message RRC connection release by S1AP message RRCConnectionRelease
1
Failure - ConnRelease_S1apCuFail
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34
Appendix B Call Flow Figure 86. Collection Time for ConnRelease_S1apLinkFail (1) UE
eNB
MME
S/GW
RRC_CONNECTED S1AP Message RRC connection release by S1AP message RRCConnectionRelease
1
Failure - ConnRelease_S1apCuFail
Figure 87. Collection Time for ConnRelease_S1apLinkFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED
SCTB reset
RRCConnectionRelease
1
Failure - ConnRelease_S1apLinkFail
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35
Appendix B Call Flow Figure 88. Collection Time for ConnRelease_S1apRoTo (1) UE
Source eNB
MME
S/GW
RRC_CONNECTED MeasurementReport HO Decision (Intra LTE Handover) HANDOVER REQUIRED HANDOVER COMMAND RRCConnectionReconfiguration Timer S1RelocOverall UE CONTEXT RELEASE COMMAND
X RRCConnectionRelease
Failure - ConnRelease_S1apRoTo
1
Figure 89. Collection Time for ConnRelease_S1apRoTo (2) UE
Source eNB
MME
S/GW
RRC_CONNECTED MeasurementReport HO Decision (Inter-RAT Handover: UTRAN, GERAN) HANDOVER REQUIRED HANDOVER COMMAND MobilityFromEUTRACommand Timer S1RelocOverall UE CONTEXT RELEASE COMMAND
X RRCConnectionRelease
1
Failure - ConnRelease_S1apRoTo
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36
Appendix B Call Flow Figure 90. Collection Time for ConnRelease_S1apRoTo (3) UE
Source eNB
MME
S/GW
RRC_CONNECTED HRPD Pre-Registration MeasurementReport HO Decision (Inter-RAT Handover: CDMA2000 HRPD ) HandoverFromEUTRAPreparationRequest ULHandoverPreparationTransfer UPLINK S1 CDMA2000 TUNNELING DOWNLINK S1 CDMA2000 TUNNELING MobilityFromEUTRACommand Timer S1RelocOverall UE CONTEXT RELEASE COMMAND
X RRCConnectionRelease
1
Failure - ConnRelease_S1apRoTo
Figure 91. Collection Time for ConnRelease_S1apSigFail (1) UE
eNB
MME
S/GW
RRC_CONNECTED
UE CONTEXT RELEASE COMMAND RRCConnectionRelease
1
Failure - ConnRelease_S1apSigFail
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37
Appendix B Call Flow Figure 92. Collection Time for ConnRelease_S1apSigFail (2) UE
eNB
MME
S/GW
RRC_CONNECTED RESET
RRCConnectionRelease
1
Failure - ConnRelease_S1apSigFail
Figure 93. Collection Time for ConnRelease_S1apSigFail (3) UE
eNB
MME
S/GW
RRC_CONNECTED INITIAL CONTEXT SETUP REQUEST (with UE Radio Capability and UE Security Capabilities) Integrity algorithm of UE is eia0 but Cipering algorithm of UE is not eea0 RRCConnectionRelease
1
Failure - ConnRelease_S1apSigFail
UE CONTEXT MODIFICATION REQUEST(with UE Security Capabilities) Integrity algorithm of UE is eia0 but Cipering algorithm of UE is not eea0 RRCConnectionRelease
1
Failure - ConnRelease_S1apSigFail
UECapabilityInformation Integrity algorithm of UE is eia0 but Cipering algorithm of UE is not eea0 RRCConnectionRelease
1
Failure - ConnRelease_S1apSigFail
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38
Appendix B Call Flow Figure 94. Collection Time for ConnRelease_S1apSigTo UE
eNB
MME
S/GW
RRC_CONNECTED INITIAL CONTEXT SETUP REQUEST
Timer S1InitialContextSetup INITIAL CONTEXT SETUP RESPONSE
X RRCConnectionRelease
1
Failure - ConnRelease_RrcSigTo
Figure 95. Collection Time for ConnRelease_X2apCuFail UE
Source eNB
Target eNB
RRC_CONNECTED X2AP Message RRC connection release by X2AP message RRCConnectionRelease
1
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
Failure - ConnRelease_X2apCuFail
39
Appendix B Call Flow Figure 96. Collection Time for ConnRelease_X2apRoTo UE
Source eNB
Target eNB
RRC_CONNECTED MeasurementReport HO Decision (Inter X2 Handover) HANDOVER REQUEST
HANDOVER REQUEST ACKNOWLEDGE RRCConnectionReconfiguration Timer X2RelocOverall UE CONTEXT RELEASE
X RRCConnectionRelease
Failure - ConnRelease_X2apRoTo
1
Figure 97. Collection Time for ConnRelease_X2apSigFail (1) UE
Source eNB
Target eNB
RRC_CONNECTED MeasurementReport HO Decision (Inter X2 Handover) HANDOVER REQUEST
HANDOVER REQUEST ACKNOWLEDGE RRCConnectionReconfiguration RESET REQUEST
RRCConnectionRelease
1
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
Failure - ConnRelease_X2apSigFail
40
Appendix B Call Flow Figure 98. Collection Time for ConnRelease_X2apSigFail (2) Source eNB UE
ECCB
CSAB
Target eNB
RRC_CONNECTED MeasurementReport HO Decision (Inter X2 Handover) HANDOVER REQUEST
HANDOVER REQUEST ACKNOWLEDGE RRCConnectionReconfiguration X2ResetRequest RRCConnectionRelease
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
1
Failure - ConnRelease_X2apSigFail
41
Appendix B Call Flow
RRC Connection Number Figure 99. Collection Time for RRC Connection Number UE
RRCConnectionRequest Case 1.
RRCConnectionSetup
Case 2.
Source eNB
Target eNB
1
1
MME
S/GW
ConnNoAvg ConnNoMax ConnNoTot ConnNoCnt
HANDOVER REQUEST ConnNoAvg ConnNoMax HANDOVER REQUEST ACKNOWLEDGE ConnNoTot ConnNoCnt HANDOVER REQUEST
Case 3.
1
ConnNoAvg ConnNoMax ConnNoTot ConnNoCnt
HANDOVER REQUEST ACKNOWLEDGE
Figure 100. Collection Time for Release Call Holding Time UE
Target eNB
Source eNB
MME
S/GW
RRCConnectionRequest RRCConnectionSetup RRCConnectionSetupComplete • • •
1
RRCConnectionRelease
ReleaseCallHoldingTimeAvg ReleaseCallHoldingTimeTot ReleaseCallHoldingTimeCnt
X2 Handover Success • • •
1
RRCConnectionRelease
ReleaseCallHoldingTimeAvg ReleaseCallHoldingTimeTot ReleaseCallHoldingTimeCnt
S1 Handover Success • • •
1
RRCConnectionRelease
ReleaseCallHoldingTimeAvg ReleaseCallHoldingTimeTot ReleaseCallHoldingTimeCnt
Inter-RAT Handover Success • • •
RRCConnectionRelease
1
ReleaseCallHoldingTimeAvg ReleaseCallHoldingTimeTot ReleaseCallHoldingTimeCnt
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42
Appendix B Call Flow
RRC Connection Setup Time Figure 101. Collection Time for RRC Connection Setup Time UE
eNB
MME
S/GW
RRC_IDLE RRCConnectionRequest
RRCConnectionSetup 1
ConnEstabTimeAvg ConnEstaabTimeMax ConnEstabTimeTot ConnEstabTimeCnt
RRCConnectionSetupComplete
The RRC Connection setup time is taken from receiving the RRC Connection Request message up to receiving the RRC Connection Setup Complete message. The eNB calculates and reports to the LSM the average and maximum values for the collection period (in milliseconds).
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43
Appendix B Call Flow
RRC Connection Re-establishment Time Figure 102. Collection Time for Re-establishment Time UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
RRCConnectionReestablishment
1
ConnReEstabTimeAvg ConnReEstaabTimeMax ConnReEstabTimeTot ConnReEstabTimeCnt
RRCConnectionReestablishmentComplete
RRC_CONNECTED
The RRC Connection setup time is a time taken from receiving the RRC Connection Request message up to receive in the RRC Connection Setup Complete message. The eNB calculates and reports to the LSM the average and maximum values for the collection period (in milliseconds).
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44
Appendix B Call Flow
Call Drop Figure 103. Collection Time for CallDrop_EccbDspAuditRlcMacCallRelease UE
eNB
MME
S/GW
RRC_CONNECTED
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC 1
CallDrop_EccbDspAuditRlcMacCallRelease
RRC_IDLE
Figure 104. Collection Time for CallDrop_EccbRcvResetRequestFromEcmb UE
eNB
MME
S/GW
RRC_CONNECTED ECMB reset 1
CallDrop_EccbRcvResetRequestFromEcmb
RRC_IDLE
Figure 105. Collection Time for CallDrop_EccbRcvCellReleaseIndFromEcmb UE
eNB
MME
S/GW
RRC_CONNECTED
Cell disabled 1
CallDrop_EccbRcvResetRequestFromEcmb
RRC_IDLE
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
45
Appendix B Call Flow
Figure 106. Collection Time for CallDrop_EccbRadioLinkFailure eNB ECCB
MAC
UE
MME
S/GW
RRC_CONNECTED HARQ ACK
X
Fail Message Timer InternalReestablishmentTimeToWait
RRCConnectionReestablishmentRequest
X
1
CallDrop_EccbRadioLinkFailure
RRC_IDLE
Figure 107. Collection Time for CallDrop_EccbDspAuditMacCallRelease UE
eNB
MME
S/GW
RRC_CONNECTED A mismatch of UE information occurred in the execution of audit between the ECCB and MAC 1
CallDrop_EccbDspAuditMacCallRelease
RRC_IDLE
Figure 108. Collection Time for CallDrop_EccbArqMaxReTransmission eNB ECCB
RLC
UE
MME
S/GW
RRC_CONNECTED ARQ ACK
X
Fail Message
RRCConnectionReestablishmentRequest
X
Timer InternalReestablishmentTimeToWait 1
CallDrop_EccbArqMaxReTransmission
RRC_IDLE
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46
Appendix B Call Flow Figure 109. Collection Time for CallDrop_EccbDspAuditRlcCallRelease UE
eNB
MME
S/GW
RRC_CONNECTED A mismatch of UE information occurred in the execution of audit between the ECCB and RLC CallDrop_EccbDspAuditRlcCallRelease
1
RRC_IDLE
Figure 110. Collection Time for CallDrop_EccbTmoutRrcConnectionReconfig UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReconfiguration Timer RRCConnectionReconfiguration RRCConnectionReconfigurationComplete
X
1
CallDrop_EccbTmoutRrcConnectionReconfig
RRC_IDLE
Figure 111. Collection Time for CallDrop_EccbTmoutRrcConnectionReestablish UE
eNB
MME
S/GW
RRC_CONNECTED RRCConnectionReestablishmentRequest
RRCConnectionReestablishment Timer RRCConnectionReEstablish RRCConnectionReestablishmentComplete
X
1
CallDrop_EccbTmoutRrcConnectionReestablish
RRC_IDLE
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47
Appendix B Call Flow Figure 112. Collection Time for CallDrop_EccbS1SctpOutOfService (1) UE
eNB
MME
S/GW
RRC_CONNECTED
S1 AP Link is Out of Service Status
X 1
CallDrop_EccbS1SctpOutOfService
RRC_IDLE
Figure 113. Collection Time for CallDrop_EccbS1SctpOutOfService (2) UE
eNB
MME
S/GW
RRC_CONNECTED SCTB reset 1
CallDrop_EccbS1SctpOutOfService
RRC_IDLE
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48
Appendix B Call Flow
E-RAB E-RAB Setup Figure 114. Collection Time for E-RAB Setup UE
eNB
MME
S/GW
RRC_CONNECTED Authentication Procedure(NAS) Initial Context Setup Request
Security Mode Command
1
Attempt
2
Success
Security Mode Complete Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete Initial Context Setup Response
RRC_CONNECTED
Figure 115. Collection Time for ErabInitFailNbr_CpCcTo UE
EPC
eNB
MME
SGW
Initial Context Setup Request
UE context setup
CSFB to not supported RAT type ① ErabInitFailNbr_CpCcFail
Figure 116. Collection Time for ErabInitFailNbr_CpCcFail UE
EPC
eNB
MME Initial Context Setup Request
CSFB to not supported RAT type
SGW UE context setup
① ErabInitFailNbr_CpCcFail
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49
Appendix B Call Flow Figure 117. Collection Time for ErabInitFailNbr_UpGtpFail EPC
eNB
UE
MME
SGW
Initial Context Setup Request
UECapabilityEnquiry UECapabilityInformation SecurityModeCommand
UECapabilityInfoIndication UE context setup
GTP layer Setup Fail ① ErabInitFailNbr_UpGtpFail
Figure 118. Collection Time for ErabInitFailNbr_UpMacFail EPC
eNB
UE
MME
SGW
Initial Context Setup Request
UECapabilityEnquiry UECapabilityInformation SecurityModeCommand
UECapabilityInfoIndication UE context setup
MAC layer Setup Fail ① ErabInitFailNbr_UpMacFail
Figure 119. Collection Time for ErabInitFailNbr_UpPdcpFail EPC
eNB
UE
UECapabilityEnquiry UECapabilityInformation SecurityModeCommand
MME
SGW
Initial Context Setup Request UECapabilityInfoIndication PDCP layer Setup Fail ① ErabInitFailNbr_UpPdcpFail
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
UE context setup
50
Appendix B Call Flow Figure 120. Collection Time for ErabInitFailNbr_UpRlcFail EPC
eNB
UE
MME
SGW
Initial Context Setup Request
UECapabilityEnquiry UECapabilityInformation SecurityModeCommand
UECapabilityInfoIndication UE context setup
RLC Layer Setup Fail ① ErabInitFailNbr_UpRlcFail EPC
eNB
UE
MME
SGW
Connected
.....
Traffic Packet ARQ ack ARQ ack
ARQ ack Not recieved
ARQ ack ① ErabInitFailNbr_UpRlcFail
Figure 121. Collection Time for ErabInitFailNbr_RrcSigFail EPC
eNB
UE UECapabilityEnquiry UECapabilityInformation
MME
SGW
Initial Context Setup Request UECapabilityInfoIndication
SecurityModeCommand SecurityModeComplete Rrc Connection Reconfiguration ReEstablishment Rrc Connection Reconfiguration Complete
① ErabInitFailNbr_RrcSigFail
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51
Appendix B Call Flow Figure 122. Collection Time for ErabInitFailNbr_RrcSigTo EPC
eNB
UE
MME
SGW
Initial Context Setup Request
UECapabilityEnquiry UECapabilityInformation
UECapabilityInfoIndication
SecurityModeCommand
Time out
SecurityModeComplete
UE context setup
① ErabInitFailNbr_RrcSigTo EPC
eNB
UE
MME
SGW
Rrc Connection Reconfiguration Complete
Time out
Rrc Connection Reconfiguration
① ErabInitFailNbr_RrcSigTo
Figure 123. Collection Time for ErabInitFailNbr_CpBhCacFail UE
EPC
eNB
MME
SGW
Initial Context Setup Request UE context setup
Rejected By BH CAC ① ErabInitFailNbr_CpBhCacFail
Figure 124. Collection Time for ErabInitFailNbr_CpCapaCacFail UE
EPC
eNB
MME
SGW
Initial Context Setup Request Rejected By Capacity CAC
UE context setup
① ErabInitFailNbr_CpCacaCacFail
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Appendix B Call Flow Figure 125. Collection Time for ErabInitFailNbr_CpQosCacFail UE
EPC
eNB
MME
SGW
Initial Context Setup Request UE context setup
Rejected By QoS CAC ① ErabInitFailNbr_CpQosCacFail
Figure 126. Collection Time for ErabInitFailNbr_S1apCuFail UE
EPC
eNB
MME
SGW
Initial Context Setup Request UE context setup
Invalid E-RAB Info. ① ErabInitFailNbr_S1apCuFail
Figure 127. Collection Time for ErabInitFailNbr_S1apLinkFail UE
EPC
eNB
MME
SGW
Connected
Out Of Service ① ErabInitFailNbr_S1apLinkFail
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Appendix B Call Flow Figure 128. Collection Time for ErabInitFailNbr_S1apSigFail UE
EPC
eNB
MME
SGW
Initial Context Setup Request
UE context setup
Integrity algorithm == EIA0 && Ciphering algorithm != EEA0 ① ErabInitFailNbr_S1apSigFail
UE
EPC
eNB
MME
SGW
UE Context Release Command (or S1AP Reset) ① ErabInitFailNbr_S1apSigFail
For E-RAB setup count statistics, Attempt is counted when the Initial Context Setup Request message is received during the initial call setup, and Success is counted when the Initial Context Setup Response message is transmitted. A failure is counted when a timeout or failure occurs during the procedure and the applicable cause value is recorded.
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Appendix B Call Flow
E-RAB Setup Add Figure 129. Collection Time for ErabAddFailNbr_CpCcTo EPC
eNB
UE
MME
SGW
Time out
ERAB Setup Request
E_RAB Setup
Resource Allocation … Fail ① ErabAddFailNbr_CpCcTo
Figure 130. Collection Time for ErabAddFailNbr_CpCcFail UE
EPC
eNB
MME
SGW
ERAB Setup Request
E_RAB Setup
Application Restart ① ErabAddFailNbr_CpCcFail
Figure 131. Collection Time for ErabAddFailNbr_UpGtpFail UE
EPC
eNB
MME ERAB Setup Request
SGW E_RAB Setup
GTP layer Setup Fail ① ErabAddFailNbr_UpGtpFail
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Appendix B Call Flow Figure 132. Collection Time for ErabAddFailNbr_UpMacFail EPC
eNB
UE
MME
SGW
ERAB Setup Request
E_RAB Setup
MAC layer Setup Fail ① ErabAddFailNbr_UpMacFail
Figure 133. Collection Time for ErabAddFailNbr_UpPdcpFail EPC
eNB
UE
MME
SGW
ERAB Setup Request
E_RAB Setup
PDCP layer Setup Fail ① ErabAddFailNbr_UpPdcpFail
Figure 134. Collection Time for ErabAddFailNbr_UpRlcFail EPC
eNB
UE
MME
SGW
ERAB Setup Request RLCP layer Setup Fail
E_RAB Setup
① ErabAddFailNbr_UpRlcFail
eNB
UE
EPC MME
SGW
Connected
...... .
Traffic Packet ARQ ack ARQ ack
ARQ ack Not recieved
ARQ ack ① ErabAddFailNbr_UpRlcFail
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Appendix B Call Flow Figure 135. Collection Time for ErabAddFailNbr_RrcSigFail EPC
eNB
UE
MME
Rrc Connection Reconfiguration
SGW
ERAB Setup Request
ReEstablishment
① ErabAddFailNbr_RrcSigFail
Rrc Connection Reconfiguration Complete
Figure 136. Collection Time for ErabAddFailNbr_RrcSigTo EPC
eNB
UE
MME
Rrc Connection Reconfiguration
SGW
Time out
ERAB Setup Request
Rrc Connection Reconfiguration Complete
① ErabAddFailNbr_RrcSigTo
Figure 137. Collection Time for ErabAddFailNbr_CpBhCacFail UE
EPC
eNB
MME
SGW
ERAB Setup Request Rejected By BH CAC
UE context setup
① ErabAddFailNbr_CpBhCacFail
Figure 138. Collection Time for ErabAddFailNbr_CpCapaCacFail UE
EPC
eNB
MME
SGW
ERAB Setup Request Rejected By Capacity CAC
UE context setup
① ErabAddFailNbr_CpCapaCacFail
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Appendix B Call Flow Figure 139. Collection Time for ErabAddFailNbr_CpQosCacFail UE
EPC
eNB
MME
SGW
ERAB Setup Request Rejected By QoS CAC
UE context setup
① ErabAddFailNbr_CpQosCacFail
Figure 140. Collection Time for ErabAddFailNbr_S1apCuFail UE
EPC
eNB
MME
SGW
ERAB Setup Request Invalid E-RAB Info.
UE context setup
① ErabAddFailNbr_S1apCuFail
Figure 141. Collection Time for ErabAddFailNbr_S1apLinkFail UE
EPC
eNB
MME
SGW
ERAB Setup Request Out Of Service
① ErabAddFailNbr_S1apLinkFail
Figure 142. Collection Time for ErabAddFailNbr_S1apSigFail UE
EPC
eNB
MME
SGW
ERAB Setup Request UE Context Release Command (or S1AP Reset) ① ErabAddFailNbr_S1apSigFail
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Appendix B Call Flow Figure 143. Collection Time for ErabAddFailNbr_CpCcInteraction UE
TeNB or Other RAT
SeNB
EPC MME
SGW
Handover Request
Handover Request Acknowledge Rrc Connection Reconfiguration
X2 HO ERAB Setup Request
E-RAB Add fail
① ErabAddFailNbr_CpCcInteraction
UE
TeNB or Other RAT
SeNB
EPC MME
SGW
Handover Required Handover Request Handover Request Acknowledge Rrc Connection Reconfiguration
S1 HO
Handover Command ERAB Setup Request E-RAB Add fail
① ErabAddFailNbr_CpCcInteraction
For additional E-RAB setup count statistics, Attempt is counted when the E-RAB Setup Request message is received during the additional E-RAB setup, and Success is counted when the E-RAB Setup Response message is transmitted. A Failure is counted when a timeout or failure occurs during the procedure and the applicable cause value is recorded.
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Appendix B Call Flow
E-RAB Setup Time Figure 144. Collection Time for E-RAB Setup time UE
eNB
MME
S/GW
RRC_IDLE
Security Mode Command
Initial Context Setup Request
Security Mode Complete RRC Connection Reconfiguration
E-RAB Setup time
RRC Connection Reconfiguration Complete Initial Context Setup Response RRC_CONNECTED
The E-RAB setup time indicates the duration from receiving the Initial Context Setup Request message up to transmitting the Initial Context Setup Response, which is reported in milliseconds. The statistics block calculates the average and maximum values of the setup time during the collection period.
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Appendix B Call Flow
E-RAB Setup Time (Cause) Figure 145. Collection Time for E-RAB Setup time (Cause) UE
eNB
MME
S/GW
RRC_IDLE
Security Mode Command
Initial Context Setup Request
Security Mode Complete RRC Connection Reconfiguration
E-RAB Setup time
RRC Connection Reconfiguration Complete Initial Context Setup Response RRC_CONNECTED
The E-RAB setup time is a time taken from receiving the Initial Context Setup Request message to transmitting the Initial Context Setup Response, and is reported. The statistics block calculates its average and maximum values at every collection interval.
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Appendix B Call Flow
E-RAB Erase Request Figure 146. Collection Time for E-RAB Erase Request UE
eNB
MME
S/GW
RRC_CONNECTED UE Context Release Request Count
1 UE Context Release Command
RRC Connection Release UE Context Release Complete RRC_CONNECTED
The eNB E-RAB erase request refers to deleting the UE context. When the eNB needs to release the UE context, it transmits the UE Context Release Request message to the MME, and counts statistics. Figure 147. Collection Time for EraseAttbyEnb_CpCcTo EPC
eNB
UE
MME
SGW
Time out
E-RAB Release Resource Release ...Fail ERAB Setup Request ① EraseAttbyEnb_CpCcTo
Figure 148. Collection Time for EraseAttbyEnb_CpCcFail UE
EPC
eNB
MME
SGW
E-RAB Release Application Restart Context Release Request ① EraseAttbyEnb_CpCcFail
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Appendix B Call Flow Figure 149. Collection Time for EraseAttbyEnb_UpGtpFail EPC
eNB
UE
MME
SGW
E-RAB Release GTP layer release Fail Context Release Request ① EraseAttbyEnb_UpGtpFail
Figure 150. Collection Time for EraseAttbyEnb_UpMacFail EPC
eNB
UE
MME
SGW
E-RAB Release MAC layer release Fail Context Release Request ① EraseAttbyEnb_UpMacFail
Figure 151. Collection Time for EraseAttbyEnb_UpMacUEInact EPC
eNB
UE
MME
SGW
E-RAB Release Packet Packet
Inactive
Packet UE context setup Context Release Request ① EraseAttbyEnb_UpMacUeInact
Figure 152. Collection Time for EraseAttbyEnb_UpPdcpFail UE
EPC
eNB
MME
SGW
E-RAB Release PDCP layer release Fail Context Release Request ① EraseAttbyEnb_UpPdcpFail
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Appendix B Call Flow Figure 153. Collection Time for EraseAttbyEnb_UpRlcFail EPC
eNB
UE
MME
SGW
E-RAB Release RLC layer Release Fail Context Release Request ① EraseAttbyEnb_UpRlcFail
Figure 154. Collection Time for EraseAttbyEnb_RrcHcTo UE
SeNB
TeNB
EPC MME
SGW
Handover Request X2 HO
Handover Acknowledge
Complete
Time out
RrcConnectionReconfiguration
Context Release Request ① EraseAttbyEnb_RrcHCTo
UE
SeNB
TeNB
EPC MME
Handover Required Handover Request
SGW
S1 HO
Handover Acknowledge
Complete
Handover Command
Time out
RrcConnectionReconfiguration
Context Release Request ① EraseAttbyEnb_RrcHcTo
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Appendix B Call Flow
Figure 155. Collection Time for EraseAttbyEnb_RrcSigFail EPC
eNB
UE
MME
SGW
E-RAB Release start Rrc Connection Reconfiguration ReEstablishment Rrc Connection Reconfiguration Complete
Context Release Request ① EraseAttbyEnb_RrcSigFail
Figure 156. Collection Time for EraseAttbyEnb_RrcSigTo EPC
eNB
UE
MME
SGW
E-RAB Release start
Rrc Connection Reconfiguration Complete
Time out
Rrc Connection Reconfiguration
Context Release Request ① EraseAttbyEnb_RrcSigTo
Figure 157. Collection Time for EraseAttbyEnb_S1apCuFail EPC
eNB
UE
MME
SGW
E-RAB Release S1AP Spec. Cause Context Release Request ① EraseAttbyEnb_S1apCuFail
Figure 158. Collection Time for EraseAttbyEnb_S1apRoTo UE
TeNB Rrc Connection Reconfiguration Complete
SeNB
EPC MME
SGW
Handover Command
Fail to allocate Resource for Data forwarding Context Release Request ① EraseAttbyEnb_S1apRoTo
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Appendix B Call Flow
Figure 159. Collection Time for EraseAttbyEnb_S1apSigTo EPC
eNB
UE
MME
SGW
Rrc Connection Request Rrc Connection Setup Rrc Connection Setup Complete
Time out
Attach Request Initial Context Setup Request
Context Release Request ① EraseAttbyEnb_S1apSigTo
UE
SeNB
TeNB
EPC MME
SGW
Rrc Connection Reconfiguration eNB Status Transfer
Complete
Time out
MME Status Transfer
Context Release Request ① EraseAttbyEnb_S1apSigTo
Figure 160. Collection Time for EraseAttbyEnb_X2apRoTo UE
SeNB
TeNB
EPC MME
SGW
Handover Request Handover Acknowledge Fail to allocate Resource for Data forwarding Context Release Request ① EraseAttbyEnb_X2apRoTo
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Appendix B Call Flow
E-RAB Erase Figure 161. Collection Time for E-RAB erase UE
eNB
MME
S/GW
RRC_CONNECTED UE Context Release Command Attempt
1
Rrc Connection Release UE Context Release Complete Success
2 RRC_CONNECTED
For E-RAB ERASE statistics, an Attempt is counted when the UE Context Release Command is received, and Success is counted when the UE Context Release Complete message is transmitted.
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Appendix B Call Flow
E-RAB Modify Figure 162. Collection Time for E-RAB modify UE
eNB
MME
S/GW
RRC_CONNECTED E-RAB Modify Request Attempt
1
Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete Success
E-RAB Modify Response
2
RRC_CONNECTED
For E-RAB Modify statistics, Attempt is counted when the E-RAB Modify Request message is received from the MME, and Success is counted when the ERAB Modify Response message is transmitted. A Failure is counted when the ERAB Modify procedure fails due to an internal timeout or failure, and the applicable cause value is recorded. Figure 163. Collection Time for ModQoSFailNbr_CpCcTo EPC
eNB
UE
MME
SGW
Time out
ERAB Modify Request Resource Allocation … Fail ① ModQoSFailNbr_CpCTo
Figure 164. Collection Time for ModQoSFailNbr_CpCcFail UE
EPC
eNB
MME
SGW
ERAB Modify Request Application Restart ① ModQoSFailNbr_CpCcFail
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Appendix B Call Flow Figure 165. Collection Time for ModQoSFailNbr_UpGtpFail UE
EPC
eNB
MME
SGW
ERAB Modify Request GTP layer Setup Fail ① ModQoSFailNbr_UpGtpFail
Figure 166. Collection Time for ModQoSFailNbr_UpMacFail UE
EPC
eNB
MME
SGW
ERAB Modify Request MAC layer Setup Fail ① ModQoSFailNbr_UpMacFail
Figure 167. Collection Time for ModQoSFailNbr_UpPdcpFail UE
EPC
eNB
MME
SGW
ERAB Modify Request PDCP layer Setup Fail ① ModQoSFailNbr_UpPdcpFail
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Appendix B Call Flow Figure 168. Collection Time for ModQoSFailNbr_UpRlcFail EPC
eNB
UE
MME
SGW
ERAB Modify Request RLCP layer Setup Fail ① ModQoSFailNbr_UpRlcFail
EPC
eNB
UE
MME
SGW
Connected Traffic Packet ARQ ack ARQ ack
......
ARQ ack Not recieved
ARQ ack ① ModQoSFailNbr_UpRlcFail
Figure 169. Collection Time for ModQoSFailNbr_RrcSigFail EPC
eNB
UE Rrc Connection Reconfiguration
MME
SGW
ERAB Modify Request
ReEstablishment
① ModQoSFailNbr_RrcSigFail
Rrc Connection Reconfiguration Complete
Figure 170. Collection Time for ModQoSFailNbr_RrcSigTo EPC
eNB
UE Rrc Connection Reconfiguration
MME
SGW
Time out
ERAB Modify Request
Rrc Connection Reconfiguration Complete
① ModQoSFailNbr_RrcSigTo
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Appendix B Call Flow Figure 171. Collection Time for ModQoSFailNbr_CpBhCacFail UE
EPC
eNB
MME
SGW
ERAB Modify Request Rejected By BH CAC ① ModQoSFailNbr_CpBhCacFail
Figure 172. Collection Time for ModQoSFailNbr_CpCapaCacFail UE
EPC
eNB
MME
SGW
ERAB Modify Request Rejected By Capacity CAC ① ModQoSFailNbr_CpCapaCacFail
Figure 173. Collection Time for ModQoSFailNbr_CpQosCacFail UE
EPC
eNB
MME
SGW
ERAB Modify Request Rejected By QoS CAC ① ModQoSFailNbr_CpQosCacFail
Figure 174. Collection Time for ModQoSFailNbr_S1apCuFail UE
EPC
eNB
MME
SGW
ERAB Modify Request Invalid E-RAB Info. ① ModQoSFailNbr_S1apCuFail
Figure 175. Collection Time for ModQoSFailNbr_S1apLinkFail UE
EPC
eNB
MME
SGW
ERAB Modify Request Out Of Service ① ModQoSFailNbr_S1apLinkFail
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Appendix B Call Flow Figure 176. Collection Time for ModQoSFailNbr_S1apSigFail EPC
eNB
UE
MME
SGW
ERAB Modify Request UE Context Release Command (or S1AP Reset) ① ModQoSFailNbr_S1apSigFail
Figure 177. Collection Time for ModQoSFailNbr_CpCcInteraction UE
TeNB or Other RAT
SeNB
EPC MME
SGW
Handover Request
Handover Request Acknowledge Rrc Connection Reconfiguration
X2 HO ERAB Modify Request
E-RAB Add fail
① ModQoSFailNbr_CpCcInteraction
UE
TeNB or Other RAT
SeNB Handover Request
EPC MME
SGW
Handover Required
Handover Request
S1 HO
Handover Request Acknowledge Rrc Connection Reconfiguration
Handover Command ERAB Modify Request E-RAB Add fail
① ModQoSFailNbr_CpCcInteraction
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Appendix B Call Flow
E-RAB Release Request Figure 178. Collection Time for eNB E-RAB release request UE
eNB
MME
S/GW
RRC_CONNECTED
Count
E-RAB Release Indication
1
E-RAB Release Command
Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete
E-RAB Release Response RRC_CONNECTED
The eNB E-RAB Release statistics are counted when the eNB deletes the applicable bearers as needed and transmits the E-RAB Release Indication message to the MME. Figure 179. Collection Time for RelAttbyEnbNbr_CpCcTo EPC
eNB
UE
MME
SGW
Time out
E-RAB Release start S1AP Spec. Cause E_RAB Release Indication ① RelAttbyEnbNbr_CpCcTo
Figure 180. Collection Time for RelAttbyEnbNbr_S1apCuFail UE
EPC
eNB
MME
SGW
E-RAB Release start UE Context Release Command (S1AP Spec. cause) E_RAB Release Indication ① RelAttbyEnbNbr_S1apCuFail
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Appendix B Call Flow
E-RAB Release Figure 181. Collection Time for E-RAB release UE
eNB
MME
S/GW
RRC_CONNECTED E-RAB Release Command Attempt
1
Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete Success
E-RAB Release Response
2
RRC_CONNECTED
Figure 182. Collection Time for RelFailNbr_CpCcFail UE
EPC
eNB
MME
SGW
ERAB Release Command Application Restart ERAB Release Response
① RelFailNbr_CpCcFail
Figure 183. Collection Time for RelFailNbr_S1apSigFail UE
EPC
eNB
MME
SGW
ERAB Release Command UE Context Release Command (or S1AP Reset) ERAB Release Response ① RelFailNbr_S1apSigFail
Figure 184. Collection Time for RelFailNbr_S1apCuFail UE
EPC
eNB
MME
SGW
ERAB Release Command S1AP Cause ERAB Release Response ① RelFailNbr_S1apCuFail
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Appendix B Call Flow Figure 185. Collection Time for RelActive EPC
eNB
UE
MME
SGW
ERAB Release Command # of E-RAB BY Abnormal Operation In eNB ERAB Release Response ① RelActive
Figure 186. Collection Time for RelFailNbr_CpCcInteraction UE
TeNB or Other RAT
EPC
SeNB
MME
SGW
Handover Request
Handover Request Acknowledge Rrc Connection Reconfiguration
X2 HO
ERAB Release Command
E-RAB Add fail ERAB Release Response
① RelFailNbr_CpCcInteraction
UE
TeNB or Other RAT
EPC
SeNB
MME
SGW
Handover Required Handover Request Handover Request Acknowledge Rrc Connection Reconfiguration
S1 HO
Handover Command ERAB Release Command E-RAB Add fail ERAB Release Response
① RelFailNbr_CpCcInteraction
For E-RAB release statistics, when the E-RAB Release Request message is received from the MME, it is counted as Attempt; when the E-RAB Release Response message is transmitted, it is counted as Success. A Failure is counted when the E-RAB Release procedure fails due to S1 MSG receiving, and the applicable cause value is recorded. Also, A Failure is counted when the procedure fails due to the E-RAB Release Command or an internal timeout and failure, the applicable cause value is recorded.
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Appendix B Call Flow
E-RAB Session Time per Cell Figure 187. Collection Time for SessionTimeUEAvg/Tot/Cnt
In-session time of UE_G in Cell 0
3
In-session time of UE_F in Cell 0
In-session time of UE_C in Cell 0
2
In-session time of UE_E in Cell 0
In-session time of UE_B in Cell 0
1
Statistics Gathering Period In-session time of UE_D in Cell 0
In-session time of UE_A in Cell 0
Statistics Gathering Period
1
2
3
4
t
⓪ SessionTimeUE = SessionTimeUETot/SessionTimeUECnt ① SessionTimeUETot = In-session time of UE A + B + C in same cell
② SessionTimeUECnt
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Appendix B Call Flow
E-RAB Session Time per QCI Figure 188. Collection Time for SessionTimeQciAvg/Tot/Cnt
In-session time of ERAB G of QCI9
3
In-session time of ERAB F of QCI9
In-session time of ERAB C of QCI9
2
In-session time of ERAB E of QCI9
In-session time of ERAB B of QCI9
1
Statistics Gathering Period In-session time of ERAB D of QCI9
In-session time of ERAB A of QCI9
Statistics Gathering Period
1
2
3
4
t
⓪ SessionTimeQCI = SessionTimeQCITot/SessionTimeQCICnt ① SessionTimeQCITot = In-session time of E-RAB A + B + C in same QCI
② SessionTimeQCICnt
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Appendix B Call Flow
Active E-RAB Number Figure 189. Collection Time for UsageNbrAvgAvg/Max/Tot/Cnt # of E-RAB Statistics Gathering Period
A
C B
Statistics Gathering Period
E
F
. . .
5
6
1
D
t 1
2
3
4
UsageNbr = ② UsageNbrTot/③ UsageNbrCnt ① UsageNbrMax = C ② UsageNbrTot = A + B + C + D + E + F ⓪
③ UsageNbrCnt
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Appendix B Call Flow
Active E-RAB Number per PLMN Figure 190. Collection Time for UsageNbrPLMN0~5Avg/Max/Tot/Cnt PLMN 5 # of E-RAB PLMN 4 Statistics Gathering Period Statistics Gathering Period # of E-RAB PLMN 3 Statistics Gathering Period Statistics Gathering Period # of E-RAB PLMN 2 Statistics Gathering Period Statistics Gathering Period # of E-RAB PLMN 1 Statistics Gathering Period Statistics Gathering Period . #Cof E-RAB A PLMN 0 E Statistics Statistics Gathering Period B F Gathering Period . . #Cof E-RAB A A
1
D
B
2
3A
1
B
1
2 1
D
5C D
. Period E Statistics F Gathering . . . E F .
Statistics Gathering Period
. 1 . F . . 4 5 CD 6 1 . ②. UsageNbrTot / ③ E UsageNbr ⓪ = B F . 5C D 6 3A 4 1 E UsageNbr UsageNbrCnt ⓪ = . ②. UsageNbrTot / ③ B F 4 5 D① 6UsageNbrMax 2 3 1=C UsageNbrCnt ⓪ UsageNbr = . ② UsageNbrTot / ③
4
B 3A
2
C
6
E
t t t t
t 4 6 1 2 3 1= C ②5 UsageNbrTot = A+B+C+D+E+F ① UsageNbrMax UsageNbrCnt ⓪ UsageNbr = ② UsageNbrTot / ③ ③ UsageNbrCnt 4 6 1 2 3 1= C ②5 UsageNbrTot = A+B+C+D+E+F ① UsageNbrMax UsageNbrCnt ⓪ UsageNbr = ② UsageNbrTot / ③ ③ UsageNbrCnt ② UsageNbrTot = A+B+C+D+E+F ① UsageNbrMax =C UsageNbrCnt ③ UsageNbrCnt UsageNbr = ② UsageNbrTot/③ UsageNbrCnt ② UsageNbrTot = A+B+C+D+E+F ①⓪ UsageNbrMax =C ③ UsageNbrCnt ① UsageNbrMax C ② UsageNbrTot = = A+B+C+D+E+F ③ UsageNbrCnt ② UsageNbrTot = A + B + C + D + E + F ③ UsageNbrCnt
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t
Appendix B Call Flow
E-RAB Holding Time Figure 191. Collection Time for ErabHoldingTimeAvgAvg/Max/Min/Tot/Cnt Holding Time of E-RAB Statistics Gathering Period
A
C B
Statistics Gathering Period
E
F
. . .
5
6
1
D
t 1
2
3
4
④ ErabHoldingTimeCnt
⓪ ErabHoldingTimeAvg = ③ ErabHoldingTimeTot/④ ErabHoldingTimeCnt ① ErabHoldingTimeMax = C ② ErabHoldingTimeMin = D ③ ErabHoldingTimeTot = A + B + C + D + E + F
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Appendix B Call Flow
E-RAB QCI per-PLMN rejected Figure 192. Collection Time for PLMN0~5QCIReject EPC
eNB
MME
Initial UE Context Setup or E-RAB Setup Request or E-RAB Setup Modify(Add) ...for QCI X(PLMN Y) QCI X Is not allowed (PLMN Y)
Reject for QCI X (PLMN Y)
SGW
⓪ PLMN0QCIReject
① PLMN1QCIReject ② PLMN2QCIReject ③ PLMN3QCIReject ④ PLMN4QCIReject ⑤ PLMN5QCIReject
ⓞ, ①, ②, ③, ④, ⑤
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Appendix B Call Flow
UE Category UE Category Figure 193. Collection Time for UE Catagory
eNB
UE UE Capability Enquiry
UE Capability Information
1
UE Category 0~15
Scheduler Measurement Report Figure 194. Collection Time for Measurement Report
eNB
UE Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete Measurement Report
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A3/A4/A5/A6 event
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Appendix B Call Flow
HO EUTRAN Intra eNB Handover Figure 195. Intra-eNB HandoverStatistics processing UE
Source cell (1) MeasurementReport
HO attempt
(3) RRCConnection-Reconfiguration (mobilityControlinfo)
HO success
Target cell
(2) Target Cell Preparation HO preparation
(4) RRCConnectionReconfigurationComplete
Steps
Description
1)
Intra eNB handover is determined based on the measurement report.
2)
New RLC, MAC and PHY configurations are set for the target cell.
3)
When the resource setup is completed in the target cell, the RRC Connection Reconfiguration message is transmitted to instruct the UE to perform handover.
4)
The RRC Connection Reconfiguration Complete message is received to complete the intra handover successfully.
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Appendix B Call Flow
X2 Handover Figure 196. X2 Based Handover Statistics processing UE
Source eNB
MME
Target eNB
Downlink data
EPC
S-GW
Downlink data
(1) MeasurementReport (4) RRCConnectionReconfiguration (mobilityControlinfo)
(2) HANDOVER REQUEST
HO attempt
(3) HANDOVER REQUEST ACKNOWLEDGE HO Preparation
(5) SN STATUS TRANSFER Data forwarding (6) Synchronization/UL allocation and timing advance (7) RRCConnectionReconfigurationComplete Forwarded data Uplink data
Uplink data (8) PATH SWITCH REQUEST
(9) Modify Bearer Request
End marker Forwarded data End marker
(12) UE CONTEXT RELEASE Down/Uplink data
Downlink data (11) PATH SWITCH REQUEST ACKNOWLEDGE
(10) Modify Bearer Response
HO Success Down/Uplink data
Step
Description
1)
The UE transmits the MeasurementReport message according to the system information, standards and rules. The source eNB determines whether to perform the UE handover based on the MeasurementReport message and the radio resource management information.
2)
The source eNB sends the target eNB a HANDOVER REQUEST message containing the information required for handover. The target eNB can perform management control in accordance with the E-RAB QoS information received.
3)-4)
The target eNB creates the RRCConnectionReconfiguration message which contains the mobileControlInfo IE for preparing and executing the handover. The target eNB transmits RRCConnectionReconfiguration to the source eNB, which is encapsulated in the HANDOVER REQUEST ACKNOWLEDGE message. The source eNB transmits the RRCConnectionReconfiguration message and the necessary parameters to the UE to command it to perform the handover.
5)
To transmit the uplink PDCP SN receiver status and the downlink PDCP SN transmitter status of the E-RABs of which the PDCP status must be preserved, the source eNB transmits the SN STATUS TRANSFER message to the target eNB.
6)
After receiving the RRCConnectionReconfiguration message that encapsulates the mobileControlInfo IE, the UE performs synchronization with the target eNB and accesses the target cell via the Random Access CHannel (RACH). The target eNB responds with UL allocation and a timing advance value.
7)
After having connected to the target cell successfully, the UE notifies the target eNB that the
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Appendix B Call Flow Step
Description Handover procedure has been completed using an RRCConnection-ReconfigurationComplete message.
8)
The target eNB, using the PATH SWITCH REQUEST message, notifies the MME that the UE has changed the cell.
9)-10)
The MME sends the Modify Bearer Request message to the S-GW. The S-GW changes the downlink data path into the target eNB. The S-GW transmits at least one ‘end marker’ to the source eNB through the previous path, and releases the user plane resources for the source eNB. The S-GW transmits a Modify Bearer Response message to the MME.
11)
The MME transmits the PATH SWITCH REQUEST ACKNOWLEDGE message to acknowledge the PATH SWITCH REQUEST message
12)
The target eNB sends the UE CONTEXT RELEASE message to the source eNB to notify the handover has succeeded and to make the source eNB release its resources. If the source eNB receives the UE CONTEXT RELEASE message, it releases the radio resources and the control plane resources related to the UE context.
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Appendix B Call Flow
S1 Handover Figure 197. S1 Handover Procedure UE
Source eNB
MME
Target eNB
Downlink/Uplink data
EPC
S-GW
Downlink/Uplink data (1) Decision to trigger a relocation via S1 (2) HANDOVER REQUEST
HO attempt HO attempt
(3) HANDOVER REQUEST (4) HANDOVER REQUEST ACKNOWLEDGE
HO Preparation HO Preparation
(8) RRCConnectionReconfiguration (mobilityControlinfo)
(5) Create Indirect Data Forwarding Tunnel Request (6) Create Indirect Data Forwarding Tunnel Response
(7) HANDOVER COMMAND (9) eNB STATUS TRANSFER 1) Direct data forwarding
(10) MME STATUS TRANSFER 2) Indirect data forwarding Indirect data forwarding
(11) Detach from old cell/Synchronize to new cell (12) RRCConnectionReconfigurationComplete Forwarded data Uplink data
Uplink data HO Success
(13) HANDOVER NOTIFY End marker
(14) Modify Bearer Request (15) Modify Bearer Response
Forwarded data End marker
Downlink data
Downlink data (16) Tracking Area Update procedure HO Success
(17) UE CONTEXT RELEASE COMMAND (18) UE CONTEXT RELEASE COMPLETE
(19) Delete Indirect Data Forwarding Tunnel Request (20) Delete Indirect Data Forwarding Tunnel Response
Downlink/Uplink data
Downlink/Uplink data
Step
Description
1)
The source eNB determines whether to perform S1-based handover into the target eNB. The source eNB can make this decision when there is no X2 connection to the target or when an error is notified by the target eNB after an X2-based handover has failed, or based on the information the source eNB has obtained dynamically.
2)
The source eNB transmits the HANDOVER REQUIRED message to the MME. The source eNB notifies the target eNB which bearer is used for data forwarding and whether forwarding can be made directly from the source eNB to the target eNB.
3)-4)
The MME transmits the HANDOVER REQUEST message to the target eNB. This message makes the target eNB create a UE context containing the bearer-related information and the security context. The target eNB transmits the HANDOVER REQUEST ACKNOWLEDGE message to the MME.
5)-6)
If indirect forwarding is used, the MME sends the Create Indirect Data Forwarding Tunnel
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Appendix B Call Flow Step
Description Request message to the S-GW. The S-GW replies the MME with the Create Indirect Data Forwarding Tunnel Response message.
7)-8)
The MME sends the HANDOVER COMMAND message to the source eNB. The source eNB creates the RRCConnectionReconfiguration message using the Target to Source Transparent Container IE encapsulated in the HANDOVER COMMAND message and then transmits it to the UE.
9)-10)
To transmit the PDCP and HFN status of the E-RABs of which the PDCP status must be preserved, the source eNB transmits the eNB/MME STATUS TRANSFER message to the target eNB via the MME. The source eNB must start forwarding the downlink data to the target eNB through the bearer which was determined to be used for data forwarding. This can be either direct or indirect forwarding.
11)
The UE performs synchronization with the target eNB and connects to the target cell via a RACH. The target eNB responds with UL allocation and a timing advance value.
12)
After having synchronized with the target cell, the UE notifies the target eNB that the Handover procedure has been completed using the RRCConnectionReconfiguration Complete message. The downlink packets forwarded from the source eNB can be transmitted to the UE. The uplink packets can also be transmitted from the UE to the S-GW via the target eNB.
13)
The target eNB sends the HANDOVER NOTIFY message to the MME. The MME starts the timer which tells when the resources of the source eNB and the temporary resources used by the SGW for indirect forwarding will be released.
14)
The MME transmits the Modify Bearer Request message for each PDN connection to the S-GW. Downlink packets are transmitted from the S-GW to the target eNB immediately.
15)
The S-GW transmits a Modify Bearer Response message to the MME. As soon as the target eNB changes the path to help packet reordering, the S-GW transmits at least one ‘end marker’ packet to the source eNB through the previous path.
16)
If any of the conditions listed in section 5.3.3.0 of TS 23.401 (6) are met, the UE starts the Tracking Area Update procedure.
17)-18)
When the timer started at step 13) expires, the MME sends the UE CONTEXT RELEASE COMMAND message to the source eNB. The source eNB releases the resources related to the UE and replies with the UE CONTEXT RELEASE COMPLETE message.
19)-20)
If indirect forwarding has been used, when the timer started at Step 13) expires the MME transmits the Delete Indirect Data Forwarding Tunnel Request message to the S-GW. This message gets the S-GW to release the temporary resources allocated for indirect forwarding at Step 5). The S-GW responds to the MME with the Delete Indirect Data Forwarding Tunnel Response message.
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Appendix B Call Flow
Intra-eNB Handover Figure 198. Collection Time for Intra eNB Handover UE
eNB UE moves to Intra eNB Cell Measurement Report
Rrc Connection Reconfiguration
Attempt
1
HO Decision
Prepare
2
Target Cell Preparation
Success
3
Internal Path Switch
Rrc Connection Reconfiguration Complete
Figure 199. Collection Time for IntraEnbPrepFail_CpCcTo eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision Target Cell Preparation
Prepare
Resource Setup
2
X
Timer Internal Resource Setup Failure - IntraEnbPrepFail_CpCcTo
RRC Connected
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Appendix B Call Flow
Figure 200. Collection Time for IntraEnbPrepFail_CpCcFail (1) eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2 ECMB reset Failure - IntraEnbPrepFail_CpCcFail
Call Release
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Appendix B Call Flow
Figure 201. Collection Time for IntraEnbPrepFail_CpCcFail (2) eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2 Cell disabled Failure - IntraEnbPrepFail_CpCcFail
Call Release
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Appendix B Call Flow
Figure 202. Collection Time for IntraEnbPrepFail_CpCcFail (3) eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC Failure - IntraEnbPrepFail_CpCcFail
Call Release
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Appendix B Call Flow
Figure 203. Collection Time for IntraEnbPrepFail_CpCcFail (4) eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Target cell resource allocation Failure Prepare
2
Resource Setup
X Failure - IntraEnbPrepFail_CpCcFail
RRC Connected
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Appendix B Call Flow Figure 204. Collection Time for IntraEnbPrepFail_UpMacFail (1) eNB Source Cell
UE
Target Cell (MAC)
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
Fail Message Failure - IntraEnbPrepFail_UpMacFail
RRC Connected
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Appendix B Call Flow Figure 205. Collection Time for IntraEnbPrepFail_UpMacFail (2) eNB Source Cell
UE
Target Cell (MAC)
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup
Prepare
2
A mismatch of UE information occurred in the execution of audit between the ECCB and MAC. Failure - IntraEnbPrepFail_UpMacFail
Call Release
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Appendix B Call Flow Figure 206. Collection Time for IntraEnbPrepFail_UpRlcFail (1) eNB Source Cell
UE
Target Cell (RLC)
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
Fail Message Failure - IntraEnbPrepFail_UpRlcFail
RRC Connected
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Appendix B Call Flow Figure 207. Collection Time for IntraEnbPrepFail_UpRlcFail (2) eNB Source Cell
UE
Target Cell (RLC)
UE moves to Intra eNB Cell Measurement Report Attempt
1
HO Decision Target Cell Preparation Resource Setup
Prepare
2 A mismatch of UE information occurred in the execution of audit between the ECCB and RLC. Failure - IntraEnbPrepFail_UpRlcFail Call Release
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Appendix B Call Flow
Figure 208. Collection Time for IntraEnbPrepFail _CpBhCacFail eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
2
CAC based on Backhaul Bandwidth Fail Failure - IntraEnbPrepFail_CpBhCacFail Resource Setup
X
RRC Connected
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Appendix B Call Flow Figure 209. Collection Time for IntraEnbPrepFail _CpCapaCacFail eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
CAC based on Call Count per Cell Fail or CAC based on DRB Count per Cell Fail
2
Failure - IntraEnbPrepFail_CpCapaCacFail Resource Setup
X
RRC Connected
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Appendix B Call Flow Figure 210. Collection Time for IntraEnbPrepFail _CpQosCacFail eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation CAC based on QoS Fail Prepare
2
Failure - IntraEnbPrepFail_CpQosCacFail Resource Setup
X
RRC Connected
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Appendix B Call Flow Figure 211. Collection Time for IntraEnbPrepFail_S1apCuFail eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2 S1AP UE CONTEXT RELEASE COMMAND Failure - IntraEnbPrepFail_S1apCuFail
Call Release
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Appendix B Call Flow
Figure 212. Collection Time for IntraEnbPrepFail_S1apLinkFail (1) eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision Target Cell Preparation Resource Setup
Prepare
2
S1AP Link is Out Of Service Status
X
Failure - IntraEnbPrepFail_S1apLinkFail
Call Release
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Appendix B Call Flow Figure 213. Collection Time for IntraEnbPrepFail_S1apLinkFail (2) eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2 SCTB reset Failure - IntraEnbPrepFail_S1apLinkFail
Call Release
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Appendix B Call Flow Figure 214. Collection Time for IntraEnbPrepFail_S1apSigFail (1) eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
S1AP UE CONTEXT RELEASE COMMAND Failure - IntraEnbPrepFail_S1apSigFail
Call Release
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Appendix B Call Flow Figure 215. Collection Time for IntraEnbPrepFail_S1apSigFail (2) eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
RESET Failure - IntraEnbPrepFail_S1apSigFail
Call Release
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Appendix B Call Flow Figure 216. Collection Time for IntraEnbFail_CpCcTo eNB UE
Source Cell (PDCP/RLC)
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Execution
3
Re-establish control Success Message
X
Timer Internal Reestablish Control
Failure - IntraEnbPrepFail_CpCcTo
Call Release
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Appendix B Call Flow Figure 217. Collection Time for IntraEnbFail_CpCcFail (1) eNB UE
Source Cell
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 ECMB reset Failure - IntraEnbFail_CpCcFail
Call Release
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Appendix B Call Flow Figure 218. Collection Time for IntraEnbFail_CpCcFail (2) eNB UE
Source Cell
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 Cell disabled Failure - IntraEnbFail_CpCcFail
Call Release
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Appendix B Call Flow Figure 219. Collection Time for IntraEnbFail_CpCcFail (3) eNB UE
Source Cell
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision Target Cell Preparation
Prepare
2
Resource Setup
Rrc Connection Reconfiguration Re-establish control Execution
3
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC Failure - IntraEnbFail_CpCcFail Call Release
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Appendix B Call Flow
Figure 220. Collection Time for IntraEnbFail_UpMacFail eNB UE
Source Cell (PDCP/RLC)
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3
A mismatch of UE information occurred in the execution of audit between the ECCB and MAC. Failure - IntraEnbFail_UpMacFail Call Release
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Appendix B Call Flow
Figure 221. Collection Time for IntraEnbFail_UpRlcFail (1) eNB UE
Source Cell (RLC)
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3
Fail Message Failure - IntraEnbFail_UpRlcFail
Call Release
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Appendix B Call Flow Figure 222. Collection Time for IntraEnbFail_UpRlcFail (2) eNB UE
Source Cell (RLC)
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 A mismatch of UE information occurred in the execution of audit between the ECCB and RLC. Failure - IntraEnbFail_UpRlcFail Call Release
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Appendix B Call Flow Figure 223. Collection Time for IntraEnbFail_RrcHcTo (1) eNB UE
ECCB
Source Cell
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
Prepare
1
HO Decision Target Cell Preparation
2
Resource Setup
Rrc Connection Reconfiguration Re-establish control Execution
3
Timer rrcConnection Reconfig Rrc Connection Reconfiguration Complete
X
Failure - IntraEnbFail_RrcHcTo Call Release
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Appendix B Call Flow Figure 224. Collection Time for IntraEnbFail_RrcHcTo (2) eNB UE
ECCB
Source Cell
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
Prepare
1
HO Decision Target Cell Preparation
2
Resource Setup
Rrc Connection Reconfiguration Re-establish control Execution
3
Timer rrcConnection Reconfig Rrc Connection Reconfiguration Complete Success Message
X
Failure - IntraEnbFail_RrcHcTo
Call Release
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Appendix B Call Flow
Figure 225. Collection Time for IntraEnbFail_S1apCuFail eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 S1AP UE CONTEXT RELEASE COMMAND Failure - IntraEnbFail_RrcHcTo
Call Release
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Appendix B Call Flow Figure 226. Collection Time for IntraEnbFail_S1apLinkFail (1) eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 S1AP Link is Out Of Service Status
X Failure - IntraEnbFail_S1apLinkFail Call Release
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Appendix B Call Flow Figure 227. Collection Time for IntraEnbFail_S1apLinkFail (2) eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 SCTB reset Failure - IntraEnbFail_S1apLinkFail Call Release
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Appendix B Call Flow Figure 228. Collection Time for IntraEnbFail_S1apSigFail (1) eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3
S1AP UE CONTEXT RELEASE COMMAND Failure - IntraEnbFail_S1apLinkFail Call Release
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Appendix B Call Flow Figure 229. Collection Time for IntraEnbFail_S1apSigFail (2) eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 RESET Failure -IntraEnbFail_S1apLinkFail Call Release
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Appendix B Call Flow
X2 Out Handover Figure 230. Collection Time for X2 Handover Out UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
① InterX2OutAtt
Handover Request Acknowledge
② InterX2OutPrepSucc RRC Connection Reconfiguration
SN Status Transfer
HO Execution RRC Connection Reconfiguration Complete Path Switch Request Path Switch Request Acknowledge ③ InterX2OutSucc
UE Context Release
Call Release
For Inter-X2 Handover Out statistics, Attempt is counted when the X2 Handover Request message can be transmitted to the target eNB after the Inter-X2 handover decision following the Measurement Report message arrival. Prepare is counted when the X2 Handover Request Acknowledge message is received from the target eNB. The source eNB transmits the RRC Connection Reconfiguration message to the UE, and the target eNB receives the RRC Connection Reconfiguration Complete message from the UE. The target eNB transmits the X2 UE Context Release message to the source eNB when the handover is successfully completed. At this point, the source eNB is counted as Success. When the procedure from to fails, it is counted as Prepare Fail, returning the cause value. When the procedure from cause value.
to
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fails, it is counted as Inter-X2 Fail, returning the
119
Appendix B Call Flow Figure 231. Collection Time for InterX2OutPrepFail_CpCcFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision ① InterX2OutAtt
Handover Request
Case 1.
ECMB reset
② Failure - InterX2OutPrepFail_CpCcFail
Case 2.
Cell disabled
② Failure - InterX2OutPrepFail_CpCcFail
Case 3.
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC.
② Failure - InterX2OutPrepFail_CpCcFail
Handover Request Acknowledge
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Appendix B Call Flow Figure 232. Collection Time for InterX2OutPrepFail_S1apLinkFail UE
Target eNB
Source eNB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision ① InterX2OutAtt
Handover Request S1AP Link is Out of Service Status
Case 1.
Case 2.
② Failure - InterX2OutPrepFail_S1apLinkFail
SCTB reset
② Failure - InterX2OutPrepFail_S1apLinkFail Handover Request Acknowledge
.
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Appendix B Call Flow Figure 233. Collection Time for InterX2OutPrepFail_S1apSigFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
① InterX2OutAtt
S1AP UE CONTEXT RELEASE COMMAND Case 1.
③ Failure - InterX2OutPrepFail_S1apSigFail
Case 2.
③ Failure - InterX2OutPrepFail_S1apSigFail
S1AP RESET
Handover Request Acknowledge
Figure 234. Collection Time for InterX2OutPrepFail_X2apCuFail UE
Target eNB
Source eNB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision ① InterX2OutAtt
Handover Request Handover Preparation Failure
② Failure - IntraFreqOutPrepFail_X2apCuFail
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Appendix B Call Flow Figure 235. Collection Time for InterX2OutPrepFail_X2apRpTo UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request Handover Request Acknowledge
① InterX2OutAtt Time out
X
② Fail - InterX2OutPrepFail_X2apRpTo
Figure 236. Collection Time for InterX2OutFail_CpCcTo UE
Source eNB
Target eNB
RLC/PDCP/GTP
ECCB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report
HO Decision
① InterX2OutAtt ② InterX2OutPrepSucc
Handover Request Handover Request Acknowledge
RRC Connection Reconfiguration SN Status Transfer Forward Path Setup Case 1.
Success Message X
③ Failure - InterX2OutFail_CpCcTo
Reestablish Control Case 2.
Success Message X
③ Failure - InterX2OutFail_CpCcTo
RRC Connection Reconfiguration Complete
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Appendix B Call Flow Figure 237. Collection Time for InterX2OutFail_CpCcFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision ① InterX2OutAtt ② InterX2OutPrepSucc
Handover Request Handover Request Acknowledge
RRC Connection Reconfiguration SN Status Transfer
Case 1.
ECMB reset
② Failure - InterX2OutFail_CpCcFail
Case 2.
Cell disabled
② Failure - InterX2OutFail_CpCcFail
Case 3.
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC.
② Failure - InterX2OutFail_CpCcFail
RRC Connection Reconfiguration Complete
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Appendix B Call Flow Figure 238. Collection Time for InterX2OutFail_UpGtpFail UE
Source eNB GTP
Target eNB ECCB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report
HO Decision Handover Request
① InterX2OutAtt
Handover Request Acknowledge
② InterX2OutPrepSucc RRC Connection Reconfiguration
Forward Path Setup Fail Message
③ Failure - InterX2OutFail_UpGtpFail
RRC Connection Reconfiguration Complete
Figure 239. Collection Time for InterX2OutFail_UpPdcpFail UE
Source eNB PDCP
Target eNB ECCB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report
HO Decision
① InterX2OutAtt ② InterX2OutPrepSucc
Handover Request Handover Request Acknowledge
RRC Connection Reconfiguration
Handover Exec Fail Message
③ Failure - InterX2OutFail_UpPdcpFail
RRC Connection Reconfiguration Complete
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Appendix B Call Flow Figure 240. Collection Time for InterX2OutFail_UpRlcFail Source eNB
UE
RLC
EPC
Target eNB ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report
HO Decision
① InterX2OutAtt ② InterX2OutPrepSucc
Handover Request Handover Request Acknowledge
RRC Connection Reconfiguration
Re-establish Fail Message
③ Failure - InterX2OutFail_UpPdcpFail
RRC Connection Reconfiguration Complete
Figure 241. Collection Time for InterX2OutFail_S1apCuFail UE
Target eNB
Source eNB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision ① InterX2OutAtt ② InterX2OutPrepSucc RRC Connection Reconfiguration
Handover Request Handover Request Acknowledge
SN Status Transfer S1AP UE CONTEXT RELEASE COMMAND
③ Failure - InterX2OutFail_S1apCuFail RRC Connection Reconfiguration Complete
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Appendix B Call Flow Figure 242. Collection Time for InterX2OutFail_S1apLinkFail UE
Target eNB
Source eNB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision ① InterX2OutAtt ② InterX2OutPrepSucc RRC Connection Reconfiguration
Handover Request Handover Request Acknowledge
SN Status Transfer S1AP Link is Out of Service Status
Case 1.
Case 2.
③ Failure - InterX2OutFail_S1apLinkFail
SCTB reset
③ Failure - InterX2OutFail_S1apLinkFail
RRC Connection Reconfiguration Complete
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Appendix B Call Flow Figure 243. Collection Time for InterX2OutFail_S1apSigFail UE
Target eNB
Source eNB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision ① InterX2OutAtt ② InterX2OutPrepSucc RRC Connection Reconfiguration
Handover Request Handover Request Acknowledge
SN Status Transfer S1AP UE CONTEXT RELEASE COMMAND
Case 1.
③ Failure - InterX2OutFail_S1apSigFail
S1AP RESET Case 2.
③ Failure - InterX2OutFail_S1apSigFail RRC Connection Reconfiguration Complete
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Appendix B Call Flow Figure 244. Collection Time for InterX2OutFail_X2apRoTo UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
① InterX2OutAtt
Handover Request Acknowledge
② InterX2OutPrepSucc RRC Connection Reconfiguration
SN Status Transfer
Timerout X2relocOverall
HO Execution RRC Connection Reconfiguration Complete Path Switch Request Path Switch Request Acknowledge UE Context Release X
③ Failure - InterX2OutFail_X2apRoTo Call Release
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Appendix B Call Flow
X2 In Handover Figure 245. Collection Time for X2 In Handover UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request Handover Request Acknowledge
RRC Connection Reconfiguration
① InterX2InAtt ② InterX2InPrepSucc
SN Status Transfer RRC Connection Reconfiguration Complete Path Switch Request Path Switch Request Acknowledge UE Context Release
③ InterX2InSucc
Call Release
For Inter-X2 Handover In statistics, Attempt is counted when the target eNB receives the X2 Handover Request message, and Prepare is counted after the target eNB transmits the X2 Handover Request Acknowledge message. The source eNB transmits the RRC Connection Reconfiguration message to the UE, and the target eNB receives the RRC Connection Reconfiguration Complete message from the UE. Success is counted when the handover is successfully completed and the X2 UE Context Release message is transmitted to the source eNB. When the procedure from to fails, it is counted as Prepare Fail, returning the cause value. When the procedure from to fails, it is counted as Inter-X2 In Fail, returning the cause value.
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Appendix B Call Flow Figure 246. Collection Time for InterX2InPrepFail_CpCcTo UE
Source eNB
Target eNB MAC/RLC/PDCP/GTP
EPC ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Forward Path Setup Case 1.
Success Message X
② Failure - InterX2InPrepFail_CpCcTo
Setup/Handover Case 2.
Success Message X
② Failure - InterX2InPrepFail_CpCcTo
Handover Preparation Failure
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Appendix B Call Flow Figure 247. Collection Time for InterX2InPrepFail_CpCcFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
① InterX2InAtt
② Failure - InterX2InPrepFail_CpCcFail
Case 1.
ECMB reset
Case 2.
Cell disabled
Case 3.
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC.
② Failure - InterX2InPrepFail_CpCcFail
② Failure - InterX2InPrepFail_CpCcFail
Handover Preparation Failure
Figure 248. Collection Time for InterX2InPrepFail_UpGtpFail UE
Source eNB
Target eNB GTP
EPC ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Forward Path Setup Fail Message
② Failure - InterX2InPrepFail_UpGtpFail
Handover Preparation Failure
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Appendix B Call Flow Figure 249. Collection Time for InterX2InPrepFail_UpMacFail UE
Source eNB
Target eNB PHY/MAC
EPC ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Setup/Handover Fail Message
② Failure - InterX2InPrepFail_UpMacFail
Handover Preparation Failure
Figure 250. Collection Time for InterX2InPrepFail_UpPdcpFail UE
Source eNB
Target eNB PDCP
EPC ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Setup/Handover Fail Message
② Failure - InterX2InPrepFail_UpPdcpFail
Handover Preparation Failure
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Appendix B Call Flow Figure 251. Collection Time for InterX2InPrepFail_UpRlcFail UE
Source eNB
Target eNB RLC
EPC ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Setup/Handover Fail Message
② Failure - InterX2InPrepFail_UpRlcFail
Handover Preparation Failure
Figure 252. Collection Time for InterX2InPrepFail_CpBhCacFail UE
Target eNB
Source eNB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
① InterX2InAtt
Failure by CAC(Call Admission Control) based on Backhaul Bandwidth
② Fail - InterX2InPrepFail_CpBhCacFail
Handover Preparation Failure
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Appendix B Call Flow Figure 253. Collection Time for InterX2InPrepFail_CpCapaCacFail UE
Target eNB
Source eNB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
① InterX2InAtt
Failure by CAC(Call Admission Control) based on Call Count per Cell or CAC based on DRB Count per Cell
② Fail - InterX2InPrepFail_CpCapaCacFail
Handover Preparation Failure
Figure 254. Collection Time for InterX2InPrepFail_CpQosCacFail UE
Target eNB
Source eNB
EPC MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
① InterX2InAtt
Failure by CAC(Call Admission Control) based on QoS
② Fail - InterX2InPrepFail_CpQosCacFail
Handover Preparation Failure
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Appendix B Call Flow Figure 255. Collection Time for InterX2InPrepFail_S1apLinkFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
Case 1.
① InterX2InAtt S1AP Link is Out of Service Status
② Failure - InterX2InPrepFail_S1apLinkFail
SCTB reset Case 2.
② Failure - InterX2InPrepFail_S1apLinkFail
Handover Preparation Failure
Figure 256. Collection Time for InterX2InPrepFail_S1apSigFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
① InterX2InAtt S1AP RESET
Case 1.
② Failure - InterX2InPrepFail_S1apSigFail S1AP UE CONTEXT RELEASE COMMAND
Case 2.
② Failure - InterX2InPrepFail_S1apSigFail
Handover Preparation Failure
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Appendix B Call Flow Figure 257. Collection Time for InterX2InPrepFail_X2apCuFail UE
Source eNB
Target eNB MAC/RLC/PDCP/GTP
EPC ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Forward Path Setup Success Message Setup/Handover Success Message Internal Block Failure Handover Cancel ② Failure - InterX2InPrepFail_X2apCuFail Release Request Success Message
Figure 258. Collection Time for InterX2InPrepFail_X2apSigFail UE
Source eNB
Target eNB MAC/RLC/PDCP/GTP
EPC ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Forward Path Setup Success Message Setup/Handover X2AP Reset triggering from ECCB
Success Message
X2AP RESET REQUEST ② Failure - InterX2InPrepFail_X2apSigFail Release Request Success Message
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Appendix B Call Flow Figure 259. Collection Time for InterX2InFail_CpCcTo (1) UE
Target eNB
Source eNB
EPC
GTP
ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Handover Request Acknowledge ② InterX2InPrepSucc
RRC Connection Reconfiguration SN Status Transfer RRC Connection Reconfiguration Complete
Path Switch Request
S-GW Change Request Time out
S-GW Change Conf
X
Path Switch Request Acknowledge
③ Failure - InterX2InFail_CpCcTo
Call Release
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Appendix B Call Flow
Figure 260. Collection Time for InterX2InFail_CpCcTo (2) UE
Target eNB
Source eNB
EPC
GTP
ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Handover Request Acknowledge ② InterX2InPrepSucc
RRC Connection Reconfiguration SN Status Transfer RRC Connection Reconfiguration Complete
Handover Complete
Time out
Handover Complete Success X
③ Failure - InterX2InFail_CpCcTo
Call Release
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Appendix B Call Flow Figure 261. Collection Time for InterX2InFail_CpCcFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision
RRC Connection Reconfiguration
Handover Request Handover Request Acknowledge
① InterX2InAtt ② InterX2InPrepSucc
SN Status Transfer RRC Connection Reconfiguration Complete
Case 1.
ECMB reset
② Failure - InterX2InFail_CpCcFail
Case 2.
Cell disabled
② Failure - InterX2InFail_CpCcFail
Case 3.
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC.
② Failure - InterX2InFail_CpCcFail
Call Release
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Appendix B Call Flow Figure 262. Collection Time for InterX2InFail_UpGtpFail UE
Source eNB
Target eNB GTP
EPC ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Handover Request Acknowledge ② InterX2InPrepSucc
RRC Connection Reconfiguration SN Status Transfer RRC Connection Reconfiguration Complete
Path Switch Request
S-GW Change Request S-GW Change Failure
Path Switch Request Acknowledge
③ Failure - InterX2InFail_UpGtpFail
Call Release
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Appendix B Call Flow Figure 263. Collection Time for InterX2InFail_UpPdcpFail UE
Source eNB
Target eNB PDCP
EPC ECCB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request ① InterX2InAtt Handover Request Acknowledge ② InterX2InPrepSucc
RRC Connection Reconfiguration SN Status Transfer RRC Connection Reconfiguration Complete
Handover Complete Handover Complete Failure
③ Failure - InterX2InFail_UpPdcpFail
Call Release
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Appendix B Call Flow Figure 264. Collection Time for InterX2InFail_RrcHcTo UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
RRC Connection Reconfiguration
① InterX2InAtt
Handover Request Acknowledge
② InterX2InPrepSucc
Time Out SN Status Transfer RRC Connection Reconfiguration Complete
X
③ Failure - InterX2InFail_RrcHcTo Call Release
Figure 265. Collection Time for InterX2InFail_S1apLinkFail UE
EPC MME SGW
Target eNB
Source eNB Measurement Report HO Decision Handover Request RRC Connection Reconfiguration
Handover Request Acknowledge
① InterX2InAtt ② InterX2InPrepSucc
SN Status Transfer RRC Connection Reconfiguration Complete S1AP Link is Out of Service Status ② Failure - InterX2InFail_S1apLinkFail
Case 1.
Case 2.
SCTB reset
② Failure - InterX2InFail_S1apLinkFail
Call Release
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Appendix B Call Flow Figure 266. Collection Time for InterX2InFail_S1apCuFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request Handover Request Acknowledge RRC Connection Reconfiguration
① InterX2InAtt ② InterX2InPrepSucc
SN Status Transfer RRC Connection Reconfiguration Complete Path Switch Request Path Switch Request Failure ③ Failure - InterX2InFail_S1apCuFail Call Release
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Appendix B Call Flow
Figure 267. Collection Time for InterX2InFail_S1apPathTo UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request Handover Request Acknowledge RRC Connection Reconfiguration
① InterX2InAtt ② InterX2InPrepSucc
SN Status Transfer RRC Connection Reconfiguration Complete Path Switch Request Time Out
Path Switch Request Acknowledge
X
③ Failure - InterX2InFail_S1apPathTo Call Release
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Appendix B Call Flow Figure 268. Collection Time for InterX2InFail_S1apSigFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision
RRC Connection Reconfiguration
Handover Request Handover Request Acknowledge
① InterX2InAtt ② InterX2InPrepSucc
SN Status Transfer RRC Connection Reconfiguration Complete Path Switch Request S1AP RESET Case 1.
② Failure - InterX2InPrepFail_S1apSigFail
S1AP UE CONTEXT RELEASE COMMAND Case 2.
② Failure - InterX2InPrepFail_S1apSigFail
Call Release
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Appendix B Call Flow
Figure 269. Collection Time for InterX2InFail_X2apSigFail UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
① InterX2InAtt
Handover Request Acknowledge
RRC Connection Reconfiguration
② InterX2InPrepSucc
SN Status Transfer RRC Connection Reconfiguration Complete X2AP Reset triggering from ECCB
X2AP RESET REQUEST
③ Failure - InterX2InFail_X2apSigFail
Call Release
Figure 270. Collection Time for InterX2InFail_X2apSigTo UE
EPC
Target eNB
Source eNB
MME
SGW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
RRC Connection Reconfiguration
Handover Request Acknowledge
① InterX2InAtt ② InterX2InPrepSucc Timer Out
SN Status Transfer
X
RRC Connection Reconfiguration Complete
③ Failure - InterX2InFail_X2apSigFail
Call Release
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Appendix B Call Flow
S1 Out Handover Figure 271. Collection Time for S1 Handover Out UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Measurement Report HO Decision
1
Attempt Handover Required Handover Request
2
Handover Request Acknowledge
Prepare
Handover Command
Rrc Connection Reconfiguration
eNB Status Transfer MME Status Transfer Rrc Connection Reconfiguration Complete Handover Notify Tracking Area Update Procedure(NAS) UE Context Release Command UE Context Release Complete Call Release
3
Success
For Inter-S1 Handover Out statistics, Attempt is counted when the S1 Handover Required message can be transmitted to the MME after the inter S1 handover decision following the Measurement Report message arrival. Prepare is counted when the S1 Handover Command message is received from the MME. The source eNB transmits the RRC Connection Reconfiguration message to the UE, and the target eNB receives the RRC Connection Reconfiguration Complete message from the UE. The MME transmits the S1 UE Context Release Command message to the source eNB when the handover is successfully completed in the target eNB. At this point, the source eNB is counted as Success. When the procedure from to fails, it is counted as Prepare Fail and returns the cause value, and when the procedure from to fails, it is counted as Inter-S1 Out Fail and returns the cause value.
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Appendix B Call Flow Figure 272. Collection Time for InterS1OutPrepFail_CpCcFail(1) Source eNB
UE
Target eNB
MME
S/GW
UE moves to Iner eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Handover Required
Handover Request Prepare
2
ECMB reset
Handover Request Acknowledge
Failure - IntraS1OutPrepFail_CpCcFail Handover Command
Call Release
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Appendix B Call Flow Figure 273. Collection Time for InterS1OutPrepFail_CpCcFail(2) Source eNB
UE
Target eNB
MME
S/GW
UE moves to Iner eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Handover Required
Handover Request Prepare
2
Cell disabled
Handover Request Acknowledge
Failure - IntraS1OutPrepFail_CpCcFail Handover Command
Call Release
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Appendix B Call Flow Figure 274. Collection Time for InterS1OutPrepFail_CpCcFail(3) Source eNB
UE
Target eNB
MME
S/GW
UE moves to Iner eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Handover Required
Prepare
2
Mismatch of UE information in the execution of audit between the ECCB and RLC/ MAC
Handover Request Handover Request Acknowledge
Failure - IntraS1OutPrepFail_CpCcFail Handover Command
Call Release
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Appendix B Call Flow Figure 275. Collection Time for InterS1OutPrepFail_S1apCuFail Source eNB
UE
Target eNB
MME
S/GW
UE moves to Iner eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Handover Required Handover Request Prepare
Handover Request Acknowledge
2
S1AP UE CONTEXT RELEASE COMMAND Failure - IntraS1OutPrepFail_S1apCpCuFail Handover Command
Call Release
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Appendix B Call Flow Figure 276. Collection Time for InterS1OutPrepFail_S1apLinkFail Source eNB
UE
Target eNB
MME
S/GW
UE moves to Iner eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Handover Required Handover Request Prepare
Handover Request Acknowledge
2
S1AP Link is Out Of Service Status
X Failure - InterS1OutPrepFail_S1apLinkFail Handover Command
Call Release
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Appendix B Call Flow Figure 277. Collection Time for InterS1OutPrepFail_S1apLinkFail Source eNB
UE
Target eNB
MME
S/GW
UE moves to Iner eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Handover Required Handover Request Prepare
Handover Request Acknowledge
2 SCTB reset Failure - InterS1OutPrepFail_S1apLinkFail
Handover Command
Call Release
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Appendix B Call Flow Figure 278. Collection Time for InterS1OutPrepFail_S1apRpTo Source eNB
UE
Target eNB
MME
S/GW
UE moves to Iner eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Handover Required Handover Request Timer relocprep Prepare
Handover Request Acknowledge
2 Failure - InterS1OutPrepFail_S1apRpTo
Handover Cancel Handover Command
RRC Connected
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Appendix B Call Flow Figure 279. Collection Time for InterS1OutPrepFail_S1apSigFail (1) Source eNB
UE
Target eNB
MME
S/GW
UE moves to Iner eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Handover Required Handover Request Prepare
Handover Request Acknowledge
2
S1AP UE CONTEXT RELEASE COMMAND Failure - IntraS1OutPrepFail_S1apSigFail Handover Command
Call Release
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Appendix B Call Flow Figure 280. Collection Time for InterS1OutPrepFail_S1apSigFail (2) Source eNB
UE
Target eNB
MME
S/GW
UE moves to Iner eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Handover Required Handover Request Prepare
Handover Request Acknowledge
2
RESET Failure - IntraS1OutPrepFail_S1apSigFail Handover Command
Call Release
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Appendix B Call Flow Figure 281. Collection Time for InterS1OutFail_CpCcTo (1) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report Attempt
1
Prepare
2
HO Decision
Target Cell Preparation Rrc Connection Reconfiguration Forward PathSetup Timer Internal ForwardPathSetup Success Message
Execution
Failure - InterS1OutFail_CpCcTo
X
3
eNB Status Transfer MME Status Transfer Rrc Connection Reconfiguration Complete
Call Release
Figure 282. Collection Time for InterS1OutFail_CpCcTo (2) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report Attempt
1
Prepare
2
HO Decision
Target Cell Preparation Rrc Connection Reconfiguration ReestablishControl Timer Internal ReestablishControl Success Message
Execution
3
X
Failure - InterS1OutFail_CpCcTo
eNB Status Transfer MME Status Transfer Rrc Connection Reconfiguration Complete Handover Notify Tracking Area Update Procedure(NAS) Completion
4
UE Context Release Command UE Context Release Complete
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Appendix B Call Flow Figure 283. Collection Time for InterS1OutFail_CpCcTo (3) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
MME
S/GW
UE moves to Iner eNB Cell Measurement Report
Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration
Execution
eNB Status Transfer
3
MME Status Transfer
Rrc Connection Reconfiguration Complete
Handover Notify Tracking Area Update Procedure(NAS) UE Context Release Command Buffer Flush Completion
Timer Internal BufferFlush
4 Success Message
Failure - InterS1OutFail_CpCcTo
X
UE Context Release Complete
Figure 284. Collection Time for InterS1OutFail_CpCcFail (1) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
UE moves to Iner eNB Cell Measurement Report
Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration
eNB Status Transfer MME Status Transfer ECMB reset
Execution
3
Failure - IntraS1OutPrepFail_CpCcFail
Handover Notify
Rrc Connection Reconfiguration Complete
Tracking Area Update Procedure(NAS) Completion
4
UE Context Release Command UE Context Release Complete
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Appendix B Call Flow Figure 285. Collection Time for InterS1OutFail_CpCcFail (2) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
MME
S/GW
UE moves to Iner eNB Cell Measurement Report
Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration
eNB Status Transfer MME Status Transfer Cell disabled
Execution
3 Failure - IntraS1OutPrepFail_CpCcFail
Handover Notify
Rrc Connection Reconfiguration Complete
Tracking Area Update Procedure(NAS) Completion
4
UE Context Release Command UE Context Release Complete
Figure 286. Collection Time for InterS1OutFail_CpCcFail (3) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
UE moves to Iner eNB Cell Measurement Report
Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration
Execution
3
eNB Status Transfer
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC Failure - IntraS1OutPrepFail_CpCcFail
MME Status Transfer
Handover Notify
Rrc Connection Reconfiguration Complete
Tracking Area Update Procedure(NAS) Completion
4
UE Context Release Command UE Context Release Complete
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Appendix B Call Flow Figure 287. Collection Time for InterS1OutFail_UpGtpFail
UE
Source eNB
Source eNB
GTP
ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report
Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration Forward PathSetup Fail Message
Execution
3
Failure - InterS1OutFail_UpGtpFail eNB Status Transfer MME Status Transfer
Rrc Connection Reconfiguration Complete
Handover Notify Tracking Area Update Procedure(NAS) Completion
4 UE Context Release Command UE Context Release Complete
Figure 288. Collection Time for InterS1OutFail_UpPdcpFail
UE
Source eNB
Source eNB
PDCP
ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report
Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration Handover Exec Fail Message
Execution
3
Failure - InterS1OutFail_UpPdcpFail eNB Status Transfer
Rrc Connection Reconfiguration Complete
MME Status Transfer
Handover Notify Tracking Area Update Procedure(NAS) Completion
4 UE Context Release Command UE Context Release Complete
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Appendix B Call Flow Figure 289. Collection Time for InterS1OutFail_UpRlcFail
UE
Source eNB
Source eNB
RLC
ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report
Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration Re-establish Fail Message
Execution
3
Failure - InterS1OutFail_UpRlcFail eNB Status Transfer MME Status Transfer
Rrc Connection Reconfiguration Complete
Handover Notify Tracking Area Update Procedure(NAS) Completion
4 UE Context Release Command UE Context Release Complete
Figure 290. Collection Time for InterS1OutFail_S1apCuFail Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration eNB Status Transfer MME Status Transfer
Execution
3
S1AP UE CONTEXT RELEASE COMMAND Failure - IntraS1OutPrepFail_S1apCuFail Rrc Connection Reconfiguration Complete Handover Notify Tracking Area Update Procedure(NAS)
Completion
4 UE Context Release Command UE Context Release Complete
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Appendix B Call Flow Figure 291. Collection Time for InterS1OutFail_S1apLinkFail (1) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration eNB Status Transfer MME Status Transfer
Execution
S1AP Link is Out Of Service Status
3
X
Failure - InterS1OutFail_S1apLinkFail Rrc Connection Reconfiguration Complete Handover Notify Tracking Area Update Procedure(NAS) 4
Completion
UE Context Release Command UE Context Release Complete
Figure 292. Collection Time for InterS1OutFail_S1apLinkFail (2) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration eNB Status Transfer MME Status Transfer
Execution
3
SCTB reset Failure - InterS1OutFail_S1apLinkFail Rrc Connection Reconfiguration Complete Handover Notify Tracking Area Update Procedure(NAS)
Completion
4 UE Context Release Command UE Context Release Complete
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Appendix B Call Flow Figure 293. Collection Time for InterS1OutFail_S1apRoTo Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration eNB Status Transfer MME Status Transfer Timer RelocOverall
3
Execution
Rrc Connection Reconfiguration Complete Handover Notify Tracking Area Update Procedure(NAS) 4
Completion
UE Context Release Command
Failure - InterS1OutFail_S1apRoTo
UE Context Release Complete
Figure 294. Collection Time for InterS1OutFail_S1apSigFail (1) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration eNB Status Transfer MME Status Transfer
Execution
3
S1AP UE CONTEXT RELEASE COMMAND Failure - IntraS1OutPrepFail_S1apCuFail Rrc Connection Reconfiguration Complete Handover Notify Tracking Area Update Procedure(NAS)
Completion
4 UE Context Release Command UE Context Release Complete
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Appendix B Call Flow Figure 295. Collection Time for InterS1OutFail_S1apSigFail (2) Source eNB RLC/PDCP/ GTP
UE
Source eNB ECCB
Target eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report Attempt
1
Prepare
2
HO Decision Target Cell Preparation Rrc Connection Reconfiguration eNB Status Transfer MME Status Transfer
Execution
3
RESET Failure - IntraS1OutPrepFail_S1apCuFail Rrc Connection Reconfiguration Complete Handover Notify Tracking Area Update Procedure(NAS)
Completion
4 UE Context Release Command UE Context Release Complete
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Appendix B Call Flow
S1 In Handover Figure 296. Collection Time for S1 Handover In UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Required
Rrc Connection Reconfiguration
Attempt
1
Prepare
2
Handover Request Handover Request Acknowledge
Handover Command eNB Status Transfer
Rrc Connection Reconfiguration Complete
MME Status Transfer Handover Notify
Success
3
Tracking Area Update Procedure(NAS) UE Context Release Command UE Context Release Complete Call Release
For inter S1 handover in statistics, when the target eNB receives the S1 Handover Request message, it is counted as Attempt; when the target eNB transmits the S1 Handover Request Acknowledge message, it is counted as Prepare. The source eNB transmits the RRC Connection Reconfiguration message to the UE, and the target eNB receives the RRC Connection Reconfiguration Complete message from the UE. Success is counted after the handover is successfully completed and the S1 Handover Notify message is transmitted to the MME. When the procedure from to fails, it is counted as Prepare Fail, returning the cause value. When the procedure from to fails, it is counted as Inter S1 In Fail, returning the cause value.
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Appendix B Call Flow Figure 297. Collection Time for InterS1InPrep_FailCpCcTo Target eNB UE
Target eNB RLC/PDCP/ GTP
ECCB
Source eNB
MME
S/GW
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup Timer Internal Resource Setup
Prepare
2 Failure - InterS1InPrep_FailCpCcTo
Success Message
X
Handover Failure
Call Release
Figure 298. Collection Time for InterS1InPrep_FailCpCcFail (1) Target eNB Source eNB
UE
ECCB
Target eNB RLC/PDCP/ GTP
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup
Prepare
2
ECMB reset Failure - IntraS1InPrep_FailCpCcFail Handover Failure Call Release
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Appendix B Call Flow Figure 299. Collection Time for InterS1InPrep_FailCpCcFail (2) Target eNB Source eNB
UE
ECCB
Target eNB RLC/PDCP/ GTP
MME
S/GW
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup
Prepare
Cell disabled
2
Failure - IntraS1InPrep_FailCpCcFail Handover Failure Call Release
Figure 300. Collection Time for InterS1InPrep_FailCpCcFail (3) Target eNB Source eNB
UE
ECCB
Target eNB RLC/PDCP/ GTP
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup
Prepare
2
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC Failure - IntraS1InPrep_FailCpCcFail Handover Failure Call Release
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Appendix B Call Flow Figure 301. Collection Time for InterS1InPrep_FailCpCcFail (4) Target eNB Source eNB
UE
Target eNB RLC/PDCP/ GTP
ECCB
MME
S/GW
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Target cell resource allocation Failure
Prepare
Resource Setup
2
Failure X - IntraS1IntPrep_FailCpCcFail Handover Failure Call Release
Figure 302. Collection Time for InterS1InPrep_FailUpGtpFail
Source eNB
UE
Target eNB
Target eNB
ECCB
GTP
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup Fail Message
Prepare
2
Failure - IntraS1InPrep_FailUpGtpFail Handover Failure Call Release
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Appendix B Call Flow Figure 303. Collection Time for InterS1InPrep_FailUpMacFail
Source eNB
UE
Target eNB
Target eNB
ECCB
MAC
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup Fail Message
Prepare
2
Failure - IntraS1InPrep_FailUpMacFail Handover Failure Call Release
Figure 304. Collection Time for InterS1InPrep_FailUpPdcpFail
Source eNB
UE
Target eNB
Target eNB
ECCB
PDCP
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup Fail Message
Prepare
2
Failure - IntraS1InPrep_FailUpPdcpFail Handover Failure Call Release
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Appendix B Call Flow Figure 305. Collection Time for InterS1InPrep_FailUpRlcFail
Source eNB
UE
Target eNB
Target eNB
ECCB
RLC
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup Fail Message
Prepare
2
Failure - IntraS1InPrep_FailUpRlcFail Handover Failure Call Release
Figure 306. Collection Time for InterS1InPrep_FailCpBhCacFail Target eNB Source eNB
UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request CAC based on Backhaul Bandwidth Fail
Prepare
2
Failure - InterS1InPrep_FailCpBhCacFail Resource Setup
X
Handover Failure
Call Release
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Appendix B Call Flow Figure 307. Collection Time for InterS1InPrep_FailCpCapaCacFail Target eNB UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
Source eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
Prepare
1
Handover Request CAC based on Call Count per Cell Fail or CAC based on DRB Count per Cell Fail Failure - InterS1InPrep_CpCapaCacFail Resource Setup
2
X
Handover Failure
Call Release
Figure 308. Collection Time for InterS1InPrep_FailCpQosCacFail Target eNB Source eNB
UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request
CAC based on QoS Fail Prepare
2
Failure - InterS1InPrep_CpQosCacFail Resource Setup
X
Handover Failure
Call Release
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Appendix B Call Flow Figure 309. Collection Time for InterS1InPrep_FailS1apCuFail Target eNB Source eNB
UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
MME
S/GW
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup S1AP UE CONTEXT RELEASE COMMAND
Prepare
2
Failure - IntraEnbPrepFail_S1apCuFail Handover Failure Call Release
Figure 310. Collection Time for InterS1InPrep_FailS1apLinkFail(1) Target eNB Source eNB
UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup S1AP Link is Out Of Service Status
Prepare
X
2
Failure - IntraEnbPrepFail_S1apLinkFail Handover Failure Call Release
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Appendix B Call Flow Figure 311. Collection Time for InterS1InPrep_FailS1apLinkFail (2) Target eNB Source eNB
UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup SCTB reset
Prepare
2 Failure - InterS1InPrep_FailS1apLinkFail Handover Failure Call Release
Figure 312. Collection Time for InterS1InPrepFail_S1apSigFail (1) Target eNB Source eNB
UE
ECCB
Target eNB MAC/RLC/ GTP/PDCP
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup S1AP UE CONTEXT RELEASE COMMAND
Prepare
2
Failure - IntraEnbPrepFail_S1apSigFail Handover Failure Call Release
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Appendix B Call Flow Figure 313. Collection Time for InterS1InPrepFail_S1apSigFail (2) Target eNB UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
Source eNB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision
Handover Required Attempt
1
Handover Request Resource Setup RESET
Prepare
2
Failure - IntraEnbPrepFail_S1apSigFail Handover Failure Call Release
Figure 314. Collection Time for InterS1InFail_CpCcTo Target eNB Source eNB
UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup Handover Request Acknowledge
Timer InterEnb HoComplete Rrc Connection Reconfiguration Execution
Handover Command eNB Status Transfer MME Status Transfer
3
Rrc Connection Reconfiguration Complete Failure - InterS1InFail_CpCcTo
X
Call Release
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Appendix B Call Flow Figure 315. Collection Time for InterS1InFail_CpCcFail (1) Target eNB Source eNB
UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup Handover Request Acknowledge
Rrc Connection Reconfiguration Execution
Handover Command eNB Status Transfer MME Status Transfer
3
Failure - InterS1InFail_CpCcFail
ECMB reset
Call Release
Figure 316. Collection Time for InterS1InFail_CpCcFail (2) Target eNB Source eNB
UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup
Rrc Connection Reconfiguration Execution
3
Handover Request Acknowledge Handover Command eNB Status Transfer MME Status Transfer Cell disabled
Failure - InterS1InFail_CpCcFail
Call Release
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Appendix B Call Flow Figure 317. Collection Time for InterS1InFail_CpCcFail (3) Target eNB
Target eNB MAC/RLC/ GTP/PDCP
ECCB
Source eNB
UE
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup Handover Request Acknowledge
Rrc Connection Reconfiguration Execution
Handover Command eNB Status Transfer MME Status Transfer
3
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC
Failure - InterS1InFail_CpCcFail
Call Release
Figure 318. Collection Time for InterS1InFail_UpPdcpFail Target eNB Source eNB
UE
Target eNB MAC/RLC/ GTP/PDCP
ECCB
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup Handover Request Acknowledge
Timer InterEnb HoComplete Rrc Connection Reconfiguration Execution
Handover Command eNB Status Transfer MME Status Transfer
3
Rrc Connection Reconfiguration Complete
X Failure - InterS1InFail_RrcHcTo Call Release
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Appendix B Call Flow Figure 319. Collection Time for InterS1InFail_RrcHcTo Target eNB
Target eNB MAC/RLC/ GTP/PDCP
ECCB
Source eNB
UE
MME
S/GW
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup Handover Request Acknowledge
Timer InterEnb HoComplete Rrc Connection Reconfiguration Execution
Handover Command eNB Status Transfer MME Status Transfer
3
Rrc Connection Reconfiguration Complete
X
Failure - InterS1InFail_RrcHcTo Call Release
Figure 320. Collection Time for InterS1InFail_S1apCuFail
Source eNB
UE
Target eNB
Target eNB
ECCB
PDCP
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup
Rrc Connection Reconfiguration Execution
3
Handover Request Acknowledge Handover Command eNB Status Transfer MME Status Transfer S1AP UE CONTEXT RELEASE COMMAND Failure Rrc Connection Reconfiguration Complete - IntraEnbPrepFail_S1apCuFail
Call Release
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Appendix B Call Flow Figure 321. Collection Time for InterS1InFail_S1apLinkFail (1) Source eNB
UE
Target eNB
Target eNB
ECCB
PDCP
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup Handover Request Acknowledge
Rrc Connection Reconfiguration Execution
Handover Command eNB Status Transfer MME Status Transfer
3
S1AP Link is Out Of Service Status
X Failure - IntraEnbPrepFail_S1apLinkFail Call Release
Figure 322. Collection Time for InterS1InFail_S1apLinkFail (2) Source eNB
UE
Target eNB
Target eNB
ECCB
PDCP
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup Handover Request Acknowledge
Rrc Connection Reconfiguration
Handover Command eNB Status Transfer MME Status Transfer
Execution
3
SCTB reset Failure - IntraEnbPrepFail_S1apLinkFail Rrc Connection Reconfiguration Complete
Call Release
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Appendix B Call Flow Figure 323. Collection Time for InterS1InFail_S1apSigFail (1) Source eNB
UE
Target eNB
Target eNB
ECCB
PDCP
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup Handover Request Acknowledge
Rrc Connection Reconfiguration 3
Execution
Handover Command eNB Status Transfer MME Status Transfer S1AP UE CONTEXT RELEASE COMMAND Failure - IntraEnbPrepFail_S1apSigFail Call Release
Figure 324. Collection Time for InterS1InFail_S1apSigFail (2)
Source eNB
UE
Target eNB
Target eNB
ECCB
PDCP
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup
Rrc Connection Reconfiguration Execution
3
Handover Request Acknowledge Handover Command eNB Status Transfer MME Status Transfer RESET Failure - IntraEnbPrepFail_S1apSigFail Call Release
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Appendix B Call Flow Figure 325. Collection Time for InterS1InFail_S1apSigTo Target eNB
Target eNB MAC/RLC/ GTP/PDCP
ECCB
Source eNB
UE
MME
S/GW
UE moves to Iner eNB Cell Measurement Report HO Decision Handover Required Attempt
1
Prepare
2
Handover Request Resource Setup Handover Request Acknowledge Timer InterEnb HoComplete
Rrc Connection Reconfiguration Execution
3
Handover Command Failure - InterS1InFail_RrcHcTo
eNB Status Transfer MME Status Transfer
X
Call Release
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Appendix B Call Flow
Handover Time Figure 326. Collection Time for Handover Time (Intra) UE
eNB UE moves to Intra eNB Cell Measurement Report HO Decision Target Cell Preparation
Rrc Connection Reconfiguration HO Time
Rrc Connection Reconfiguration Complete Internal Path Switch
Figure 327. Collection Time for Handover Time(Inter S1) UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Required Handover Request Handover Request Acknowledge Rrc Connection Reconfiguration
Handover Command HO Time
Rrc Connection Reconfiguration Complete
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Appendix B Call Flow Figure 328. Collection Time for Handover Time(Inter X2) UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request Handover Request Acknowledge Rrc Connection Reconfiguration
HO Time
Rrc Connection Reconfiguration Complete
Handover time statistics are based on the Target eNB. Intra handover time refers to the time taken from transmitting the RRC Connection Reconfiguration message to the UE until after receiving the RRC Connection Reconfiguration Complete message. Inter-X2 handover time refers to the time taken from after transmission of the X2 Handover Request Acknowledge message at the target eNB until receiving the RRC Connection Reconfiguration Complete message from the UE. Inter-X2 handover time refers to the time taken from after transmission of the S1 Handover Request Acknowledge message at the Target eNB until receiving the RRC Connection Reconfiguration Complete message from the UE.
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Appendix B Call Flow
Measurement Results of Source Cell Figure 329. Collection Time for Measurement Results of Source Cell UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete Measurement Report
1
- HoTriggeringScellRsrpEventA3[Avg/Min/Max/Tot/Cnt] - HoTriggeringScellRsrqEventA3[Avg/Min/Max/Tot/Cnt] - HoTriggeringScellRsrpEventA4[Avg/Min/Max/Tot/Cnt] - HoTriggeringScellRsrqEventA4[Avg/Min/Max/Tot/Cnt] - HoTriggeringScellRsrpEventA5[Avg/Min/Max/Tot/Cnt] - HoTriggeringScellRsrqEventA5[Avg/Min/Max/Tot/Cnt]
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Appendix B Call Flow
Measurement Results of Target Cell Figure 330. Collection Time for Measurement Report of Target Cell UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete Measurement Report
1
- HoTriggeringTcellRsrpEventA3[Avg/Min/Max/Tot/Cnt] - HoTriggeringTcellRsrqEventA3[Avg/Min/Max/Tot/Cnt] - HoTriggeringTcellRsrpEventA4[Avg/Min/Max/Tot/Cnt] - HoTriggeringTcellRsrqEventA4[Avg/Min/Max/Tot/Cnt] - HoTriggeringTcellRsrpEventA5[Avg/Min/Max/Tot/Cnt] - HoTriggeringTcellRsrqEventA5[Avg/Min/Max/Tot/Cnt] - HoTriggeringTcellCnt, - HoTriggeringTcellCid
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Appendix B Call Flow
Preemption Handover per E-RAB Figure 331. Collection Time for Preemption Handover per E-RAB (Intra) UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Measurement Report HO Decision
CAC Operation
- PreemptHoDropBearerIntra - PreemptHoBearerIntra - PreemptHoErabCnt
1
Figure 332. Collection Time for Preemption Handover per E-RAB (Inter X2) UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request
CAC Operation
1
- PreemptHoDropBearerInterX2 - PreemptHoBearerInterX2 - PreemptHoErabCnt
Figure 333. Collection Time for Preemption Handover per E-RAB (Inter S1) UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Measurement Report HO Decision Handover Request Handover Request
1 - PreemptHoDropBearerInterS1 - PreemptHoBearerInterS1
CAC Operation
Handover Req Ack
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Appendix B Call Flow
Preemption Handover Figure 334. Collection Time for Preemption Handover (Intra) UE
Source eNB
Target eNB
MME
S/GW
MME
S/GW
UE moves to Inter eNB Cell Measurement Report HO Decision
1
PreemtIntraEnbAtt
Figure 335. Collection Time for Preemption Handover(Inter X2) UE
Source eNB
Target eNB UE moves to Inter eNB Cell
Measurement Report HO Decision
1
PreemtInterX2OutAtt
Handover Request Handover Request Acknowledge 2
PreemtInterX2OutPrepSucc
Rrc Connection Reconfiguration
SN Status Transfer
Rrc Connection Reconfiguration Complete Path Switch Request Path Switch Request Acknowledge Release Request Call Release
3
PreemtInterX2OutSucc
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Appendix B Call Flow Figure 336. Collection Time for Preemption Handover (Inter S1) UE
Source eNB
Target eNB
MME
S/GW
UE moves to Inter eNB Cell Measurement Report HO Decision
1
PreemtInterS1OutAtt Handover Required Handover Request Handover Request Acknowledge
2
PreemtInterS1OutPrepSucc Handover Command
Rrc Connection Reconfiguration
eNB Status Transfer Rrc Connection Reconfiguration Complete
MME Status Transfer Handover Notify
Tracking Area Update Procedure(NAS) UE Context Release Command UE Context Release Complete Call Release
3
PreemtInterS1OutSucc
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Appendix B Call Flow
Intra-eNB In Handover Figure 337. Collection Time for Intra eNB In Handover UE
eNB UE moves to Intra eNB Cell Measurement Report
Rrc Connection Reconfiguration
Attempt
1
HO Decision
Prepare
2
Target Cell Preparation
Success
3
Internal Path Switch
Rrc Connection Reconfiguration Complete
Figure 338. Collection Time for IntraEnbInPrepFail_CpCcTo eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report Attempt
1
HO Decision Target Cell Preparation
Prepare
Resource Setup
2
X
Timer Internal Resource Setup Failure - IntraEnbInPrepFail_CpCcTo
RRC Connected
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Appendix B Call Flow
Figure 339. Collection Time for IntraEnbInPrepFail_CpCcFail (1) eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2 ECMB reset Failure - IntraEnbInPrepFail_CpCcFail
Call Release
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Appendix B Call Flow
Figure 340. Collection Time for IntraEnbInPrepFail_CpCcFail (2) eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2 Cell disabled Failure - IntraEnbInPrepFail_CpCcFail
Call Release
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Appendix B Call Flow
Figure 341. Collection Time for IntraEnbInPrepFail_CpCcFail (3) eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC Failure - IntraEnbInPrepFail_CpCcFail
Call Release
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Appendix B Call Flow
Figure 342. Collection Time for IntraEnbInPrepFail_CpCcFail (4) eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Target cell resource allocation Failure Prepare
2
Resource Setup
X Failure - IntraEnbInPrepFail_CpCcFail
RRC Connected
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Appendix B Call Flow Figure 343. Collection Time for IntraEnbInPrepFail_UpMacFail (1) eNB Source Cell
UE
Target Cell (MAC)
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
Fail Message Failure - IntraEnbInPrepFail_UpMacFail
RRC Connected
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Appendix B Call Flow Figure 344. Collection Time for IntraEnbInPrepFail_UpMacFail (2) eNB Source Cell
UE
Target Cell (MAC)
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup
Prepare
2
A mismatch of UE information occurred in the execution of audit between the ECCB and MAC. Failure - IntraEnbInPrepFail_UpMacFail
Call Release
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Appendix B Call Flow Figure 345. Collection Time for IntraEnbInPrepFail_UpRlcFail (1) eNB Source Cell
UE
Target Cell (RLC)
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
Fail Message Failure - IntraEnbInPrepFail_UpRlcFail
RRC Connected
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Appendix B Call Flow Figure 346. Collection Time for IntraEnbInPrepFail_UpRlcFail (2) eNB Source Cell
UE
Target Cell (RLC)
UE moves to Intra eNB Cell Measurement Report Attempt
1
HO Decision Target Cell Preparation Resource Setup
Prepare
2 A mismatch of UE information occurred in the execution of audit between the ECCB and RLC. Failure - IntraEnbInPrepFail_UpRlcFail Call Release
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Appendix B Call Flow
Figure 347. Collection Time for IntraEnbInPrepFail _CpBhCacFail eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
2
CAC based on Backhaul Bandwidth Fail Failure - IntraEnbInPrepFail_CpBhCacFail Resource Setup
X
RRC Connected
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Appendix B Call Flow Figure 348. Collection Time for IntraEnbInPrepFail _CpCapaCacFail eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
CAC based on Call Count per Cell Fail or CAC based on DRB Count per Cell Fail
2
Failure - IntraEnbInPrepFail_CpCapaCacFail Resource Setup
X
RRC Connected
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Appendix B Call Flow Figure 349. Collection Time for IntraEnbInPrepFail _CpQosCacFail eNB Source Cell
UE
Target Cell
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation CAC based on QoS Fail Prepare
2
Failure - IntraEnbInPrepFail_CpQosCacFail Resource Setup
X
RRC Connected
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Appendix B Call Flow Figure 350. Collection Time for IntraEnbInPrepFail_S1apCuFail eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2 S1AP UE CONTEXT RELEASE COMMAND Failure - IntraEnbInPrepFail_S1apCuFail
Call Release
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Appendix B Call Flow
Figure 351. Collection Time for IntraEnbInPrepFail_S1apLinkFail (1) eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision Target Cell Preparation Resource Setup
Prepare
2
S1AP Link is Out Of Service Status
X
Failure - IntraEnbInPrepFail_S1apLinkFail
Call Release
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Appendix B Call Flow Figure 352. Collection Time for IntraEnbInPrepFail_S1apLinkFail (2) eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2 SCTB reset Failure - IntraEnbInPrepFail_S1apLinkFail
Call Release
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Appendix B Call Flow Figure 353. Collection Time for IntraEnbInPrepFail_S1apSigFail (1) eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
S1AP UE CONTEXT RELEASE COMMAND Failure - IntraEnbInPrepFail_S1apSigFail
Call Release
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Appendix B Call Flow Figure 354. Collection Time for IntraEnbInPrepFail_S1apSigFail (2) eNB Source Cell
UE
Target Cell
MME
S/GW
UE moves to Intra eNB Cell
Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Resource Setup Prepare
2
RESET Failure - IntraEnbInPrepFail_S1apSigFail
Call Release
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Appendix B Call Flow Figure 355. Collection Time for IntraEnbInFail_CpCcTo eNB UE
Source Cell (PDCP/RLC)
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Execution
3
Re-establish control Success Message
X
Timer Internal Reestablish Control
Failure - IntraEnbInPrepFail_CpCcTo
Call Release
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Appendix B Call Flow Figure 356. Collection Time for IntraEnbInFail_CpCcFail (1) eNB UE
Source Cell
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 ECMB reset Failure - IntraEnbInFail_CpCcFail
Call Release
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Appendix B Call Flow Figure 357. Collection Time for IntraEnbInFail_CpCcFail (2) eNB UE
Source Cell
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 Cell disabled Failure - IntraEnbInFail_CpCcFail
Call Release
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Appendix B Call Flow Figure 358. Collection Time for IntraEnbInFail_CpCcFail (3) eNB UE
Source Cell
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision Target Cell Preparation
Prepare
2
Resource Setup
Rrc Connection Reconfiguration Re-establish control Execution
3
Mismatch of UE information in the execution of audit between the ECCB and RLC/MAC Failure - IntraEnbInFail_CpCcFail Call Release
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Appendix B Call Flow
Figure 359. Collection Time for IntraEnbInFail_UpMacFail eNB UE
Source Cell (PDCP/RLC)
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3
A mismatch of UE information occurred in the execution of audit between the ECCB and MAC. Failure - IntraEnbInFail_UpMacFail Call Release
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Appendix B Call Flow
Figure 360. Collection Time for IntraEnbInFail_UpRlcFail (1) eNB UE
Source Cell (RLC)
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3
Fail Message Failure - IntraEnbInFail_UpRlcFail
Call Release
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Appendix B Call Flow Figure 361. Collection Time for IntraEnbInFail_UpRlcFail (2) eNB UE
Source Cell (RLC)
ECCB
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation
Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 A mismatch of UE information occurred in the execution of audit between the ECCB and RLC. Failure - IntraEnbInFail_UpRlcFail Call Release
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Appendix B Call Flow Figure 362. Collection Time for IntraEnbInFail_RrcHcTo (1) eNB UE
ECCB
Source Cell
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
Prepare
1
HO Decision Target Cell Preparation
2
Resource Setup
Rrc Connection Reconfiguration Re-establish control Execution
3
Timer rrcConnection Reconfig Rrc Connection Reconfiguration Complete
X
Failure - IntraEnbInFail_RrcHcTo Call Release
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Appendix B Call Flow Figure 363. Collection Time for IntraEnbInFail_RrcHcTo (2) eNB UE
ECCB
Source Cell
Target Cell
UE moves to Intra eNB Cell Measurement Report
Attempt
Prepare
1
HO Decision Target Cell Preparation
2
Resource Setup
Rrc Connection Reconfiguration Re-establish control Execution
3
Timer rrcConnection Reconfig Rrc Connection Reconfiguration Complete Success Message
X
Failure - IntraEnbInFail_RrcHcTo
Call Release
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Appendix B Call Flow
Figure 364. Collection Time for IntraEnbInFail_S1apCuFail eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 S1AP UE CONTEXT RELEASE COMMAND Failure - IntraEnbInFail_RrcHcTo
Call Release
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Appendix B Call Flow Figure 365. Collection Time for IntraEnbInFail_S1apLinkFail (1) eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 S1AP Link is Out Of Service Status
X Failure - IntraEnbInFail_S1apLinkFail Call Release
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Appendix B Call Flow Figure 366. Collection Time for IntraEnbInFail_S1apLinkFail (2) eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 SCTB reset Failure - IntraEnbInFail_S1apLinkFail Call Release
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Appendix B Call Flow Figure 367. Collection Time for IntraEnbInFail_S1apSigFail (1) eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3
S1AP UE CONTEXT RELEASE COMMAND Failure - IntraEnbInFail_S1apLinkFail Call Release
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Appendix B Call Flow Figure 368. Collection Time for IntraEnbInFail_S1apSigFail (2) eNB UE
Source Cell
ECCB
Target Cell
MME
UE moves to Intra eNB Cell Measurement Report
Attempt
1
HO Decision
Target Cell Preparation Prepare
Resource Setup
2
Rrc Connection Reconfiguration Re-establish control Execution
3 RESET Failure -IntraEnbInFail_S1apLinkFail Call Release
For intra-handover statistics, Attempt is counted when an intra-handover is decided after the Measurement Report message arrival, and Prepare is counted when the intra-handover preparation is complete and at the time of transmitting the RRC Connection Reconfiguration message to the UE. Success is counted when the target cell successfully receives the RRC Connection Reconfiguration Complete message from the UE. When the procedure from to fails, it is counted as Prepare Fail, returning the cause value. When the procedure from to fails, it is counted as Intra Fail, returning the cause value.
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Appendix B Call Flow
HO HRPD Inter-RAT Optimized HRPD Handover (Other than eNB) Figure 369. Collection Time for Inter-RAT HRPD Handover (Other than eNB) UE
MME
Source eNB
S/GW
UE moves to CDMA HRPD Measurement Report HO Decision
1
Attempt
Handover From EUTRA Preparation Request UL Handover Preparation Transfer UL S1 cdma2000 Tunneling DL S1 cdma2000 Tunneling Mobility From EUTRA Command
2
Prepare
UE Context Release Command Success
3 UE Context Release Complete
Call Release
For inter-RAT HRPD statistics, it is counted as Attempt when an HRPD handover execution is decided after the Measurement Report message arrival; it is counted as Prepare when the Mobility Eutra Command message is transmitted to the UE. Success is counted when the handover is completed and the UE Context Release Command message is received from the MME. When the procedure from to fails, it is counted as Prepare Fail, returning the cause value. When the procedure from to fails, it is counted as Inter RAT HRPD Fail, returning the cause value.
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Appendix B Call Flow
HO UTRAN This section provides the statistics data for the handover between the LTE system and UTRAN system for each cell. The following shows the message flow for the PS handover procedure from the E-UTRAN to the UTRAN. Figure 370. PS Handover Procedure from E-UTRAN to UTRAN UE
Source eNB
Target RNS
Downlink/Uplink data
Source MME
Source S-GW
Target SGSN
Target S-GW
P-GW
Downlink/Uplink data
Downlink/Uplink data
(1) Handover Initiation (2) HANDOVER REQUIRED (3) FORWARD RELOCATION REQUEST (4) Create Session Request/Response (5) RELOCATION REQUEST (6) RELOCATION REQUEST ACKNOWLEDGE (7) Create Indirect Data Forwarding Tunnel Request/Response (8) FORWARD RELOCATION RESPONSE (9) Create Indirect Data Forwarding Tunnel Request/Response (10) HANDOVER COMMAND (11) Mobility from E- UTRAN Complete Indirect data forwarding Indirect data forwarding (12) HO to UTRAN Complete
(13) RELOCATION COMPLETE (14) FORWARD RELOCATION COMPLETE NOTIFICATION (15) FORWARD RELOCATION COMPLETE ACKNOWLEDGE (16) MODIFY BEARER REQUEST (17) Modify Bearer Request/Response (18) MODIFY BEARER Response
Downlink/Uplink data
Downlink/Uplink data
Downlink/Uplink data
(19) Routing Area Update procedure (20) S1 Release (21) Delete Session Request/Response (22) Create Indirect Data Forwarding Tunnel Request/Response (23) Create Indirect Data Forwarding Tunnel Request/Response
Step
Description
1)
The source eNB determines the PS handover to the UTRAN. This decision is made according to the measurement report received from the UE.
2)
The source eNB transmits the HANDOVER REQUIRED message to the MME. The source eNB then includes the source RNC to target RNC transparent container IE information in the message for relaying the necessary information to the target RNC.
3)-4)
The source MME recognizes the handover from the target ID IE of the HANDOVER REQUIRED message to the UTRAN and transmits the FORWARD RELOCATION REQUEST message to the target SGSN. The target SGSN determines whether to change the S-GW. If
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Appendix B Call Flow Step
Description change is required, it carries out the Create Session Request/Response procedure with a new S-GW.
5)-6)
The target SGSN transmits the RELOCATION REQUEST message to the target RNC to request resource allocation for the target RNC. The target RNC performs CAC and resource allocation for each RAB for which handover is requested, and transmits to the target SGSN the RELOCATION REQUEST ACKNOWLEDGE message that encapsulates the result. The RELOCATION REQUEST ACKNOWLEDGE message encapsulates the Target RNC to Source RNC Transparent Container IE to be transmitted to the source eNB.
7)-9)
To perform the forwarding tunnel setup, the target SGSN performs the Create Indirect Data Forwarding Tunnel Request/Response procedure with target S-GW and transmits the FORWARD RELOCATION RESPONSE message to the source MME. To perform the forwarding tunnel setup, the source MME carries out the Create Indirect Data Forwarding Tunnel Request/Response procedure with the source S-GW.
10)-11)
The source MME transmits the HANDOVER COMMAND message to the source eNB to complete the handover preparation procedure to the target UTRAN. The source eNB configures the MOBILITY FROM E-UTRAN COMMAND containing the Target RNC to Source RNC Transparent Container IE in the HANDOVER COMMAND message and transmits it to the UE to request the PS handover to the UTRAN.
12)
The UE performs synchronization with the target UTRAN and connects to the target cell via the RACH. After UE is successfully connected to the target cell, UE transmits the HANDOVER TO UTRAN COMPLETE message to the target UTRAN to complete the handover procedure.
13)-15)
The target RNC transmits the RELOCATION COMPLETE message to the target SGSN to notify that the handover procedure from the UE to the UTRAN has been completed successfully. The target SGSN transmits the FORWARD RELOCATION COMPLETE NOTIFICATION message to the source MME. At this time, the source MME operates the waiting timer for releasing the resource of the E-UTRAN and transmits the FORWARD RELOCATION COMPLETE ACKNOWLEDGE response message to the target SGSN. The target SGSN operates the waiting timer for releasing the forwarding tunnel at the time when the source MME receives the response message.
16)-18)
The target SGSN transmits the Modify Bearer Request message for each PDN connection to the target S-GW. Subsequent downlink packets are then transmitted from the S-GW to the target RNC. The target S-GW performs the Modify Bearer Request/Response procedure with the P-GW and transmits the Modify Bearer Response message to the target SGSN.
19)
When UE satisfies the conditions specified in section 5.5.2.1 of TS 23.401, the Routing Area Update procedure starts.
20)-23)
When the timer at Step 14) expires, the source MME requests the source eNB and the source S-GW to release the resources. When the timer at Step 15) expires, the target SGSN releases the resources release allocated for forwarding tunnel with the target S-GW.
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Appendix B Call Flow
Inter-RAT UTRAN PS Out Handover Figure 371. Collection Time for Inter-RAT UTRAN PS Handover Out UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required 2
Handover Command Prepare
Mobility From EUTRA Command UE Context Release Command UE Context Release Complete
Call Release
3
Success
For the inter-RAT UTRAN Handover Out statistics, an Attempt is counted when the S1 Handover Required message is transmitted after the UTRAN handover decision following the Measurement Report message arrival. A Prepare is counted when the Mobility Eutra Command message is transmitted to the UE. A Success is counted when the handover is completed and the MME transmits the UE Context Release Complete message. If the procedure from to fails, it is counted as a Prepare Fail and returns the cause value. When the procedure from to fails, it is counted as an Inter RAT UTRAN HO Out Fail and returns the cause value.
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Appendix B Call Flow Figure 372. Collection Time for Inter-RAT UTRAN PS Handover Out UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required 2
Failure - RatUtranOutPrepFail_CpCcFail - RatUtranOutPrepFail_S1apLinkFail - RatUtranOutPrepFail_S1apSigFail Handover Command
Figure 373. Collection Time for RatUtranOutPrepFail_S1apCuFail UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required
Handover Preparation Fail
2
Failure - RatUtranOutPrepFail_S1apCuFail
2
Failure - RatUtranOutPrepFail_S1apRpTo
Figure 374. Collection Time for RatUtranOutPrepFail_S1apRpTo UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required
(Handover Command)
X
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Appendix B Call Flow Figure 375. Collection Time for Inter-RAT UTRAN PS Handover Out UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required Handover Command
2
Prepare
Mobility From EUTRA Command
3
Failure - RatUtranOutFail_CpCcTo - RatUtranOutFail_CpCcFail - RatUtranOutFail_UpGtpFail - RatUtranOutFail_UpMacFail - RatUtranOutFail_UpPdcpFail - RatUtranOutFail_UpRlcFail - RatUtranOutFail_S1apCuFail - RatUtranOutFail_S1apLinkFail - RatUtranOutFail_S1apSigFail
UE Context Release Command
Figure 376. Collection Time for RatUtranOutFail_RrcSigFail UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required 2
Handover Command Prepare
Mobility From EUTRA Command Rrc Connection Request
3
Failure - RatUtranOutFail_RrcSigFail
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Appendix B Call Flow Figure 377. Collection Time for RatUtranOutFail_S1apRoTo UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required 2
Prepare
Mobility From EUTRA Command
Handover Command UE Context Release Command
X
3
Failure - RatUtranOutFail_S1apRoTo
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Appendix B Call Flow
Inter-RAT UTRAN PS In Handover Figure 378. Collection Time for Inter-RAT UTRAN PS Handover In UE
Target eNB
Attempt
1
Prepare
2
MME
Handover Request
Handover Request Acknowledge
RRC Connection Reconfiguration Complete (Handover to E-UTRAN Complete) Success
3
Handover Notify
For the Inter-RAT UTRAN In statistics, an Attempt is counted when the target eNB receives the S1 Handover Request message. A Prepare is counted after the target eNB transmits the S1 Handover Request Acknowledge message. The target eNB receives the RRC Connection Reconfiguration Complete message from the UE. A Success is counted after the handover is successfully completed and the S1 Handover Notify message is transmitted to the MME. If the procedure from to fails, it is counted as a Prepare Fail, returning the cause value, and when the procedure from to fails, it is counted as an Inter-RAT UTRAN In Fail and returns the cause value.
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Appendix B Call Flow Figure 379. Collection Time for Inter-RAT UTRAN PS Handover In UE
Target eNB
Attempt
MME
Handover Request
1 2
Failure - RatInPrepFailUtran_CpCcTo - RatInPrepFailUtran_CpCcFail - RatInPrepFailUtran_UpGtpFail - RatInPrepFailUtran_UpMacFail - RatInPrepFailUtran_UpPdcpFail - RatInPrepFailUtran_UpRlcFail - RatInPrepFailUtran_CpBhCacFail - RatInPrepFailUtran_CpCapaCacFail - RatInPrepFailUtran_CpQosCacFail - RatInPrepFailUtran_S1apLinkFail - RatInPrepFailUtran_S1apSigFail - RatInPrepFailUtran_S1apCuFail - RatInFailUtran_CpCcFail Handover Failure
Figure 380. Collection Time for Inter-RAT UTRAN PS Handover In UE
Target eNB
Attempt
1
Prepare
2
MME
Handover Request
Handover Request Acknowledge
RRC Connection Reconfiguration Complete (Handover to E-UTRAN Complete) 3
Failure - RatInFailUtran_CpCcTo - RatInFailUtran_UpGtpFail - RatInFailUtran_UpMacFail - RatInFailUtran_UpPdcpFail - RatInFailUtran_UpRlcFail - RatInFailUtran_RrcHcTo - RatInFailUtran_S1apCuFail - RatInFailUtran_S1apLinkFail - RatInFailUtran_S1apSigFail - RatInFailUtran_S1apSigTo
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Appendix B Call Flow Figure 381. Collection Time for RatInFailUtran_RrcSigFail UE
Target eNB
Attempt
1
Prepare
2
MME
Handover Request
Handover Request Acknowledge
Rrc Connection Request 3
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Failure - RatInFailUtran_RrcSigFail
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Appendix B Call Flow
UTRAN SRVCC Figure 382. Collection Time for UTRAN SRVCC UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required 2
Handover Command Prepare
Mobility From EUTRA Command UE Context Release Command UE Context Release Complete
Call Release
3
Success
Figure 383. Collection Time for UTRAN SRVCC UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required 2
Failure - UtranSrvccOutPrepFail_CpCcFail - UtranSrvccOutPrepFail_S1apLinkFail - UtranSrvccOutPrepFail_S1apSigFail Handover Command
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Appendix B Call Flow Figure 384. Collection Time for UtranSrvccOutPrepFail_S1apCuFail UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required
Handover Preparation Fail
2
Failure - UtranSrvccOutPrepFail_S1apCuFail
2
Failure - UtranSrvccOutPrepFail_S1apRpTo
Figure 385. Collection Time for UtranSrvccOutPrepFail_S1apRpTo UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required
(Handover Command)
X
Figure 386. Collection Time for UTRAN SRVCC UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required 2
Handover Command Prepare
Mobility From EUTRA Command
3
Failure - UtranSrvccOutFail_CpCcTo - UtranSrvccOutFail_CpCcFail - UtranSrvccOutFail_UpGtpFail - UtranSrvccOutFail_UpMacFail - UtranSrvccOutFail_UpPdcpFail - UtranSrvccOutFail_UpRlcFail - UtranSrvccOutFail_S1apCuFail - UtranSrvccOutFail_S1apLinkFail - UtranSrvccOutFail_S1apSigFail
UE Context Release Command
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Appendix B Call Flow Figure 387. Collection Time for UtranSrvccOutFail_RrcSigFail UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required 2
Handover Command Prepare
Mobility From EUTRA Command Rrc Connection Request
3
Failure - UtranSrvccOutFail_RrcSigFail
Figure 388. Collection Time for UtranSrvccOutFail_S1apRoTo UE
Source eNB
MME
Measurement Report HO Decision
1
Attempt
Handover Required 2
Prepare
Mobility From EUTRA Command
Handover Command UE Context Release Command
X
3
Failure - UtranSrvccOutFail_S1apRoTo
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Appendix B Call Flow
CSFB PS Out Handover Figure 389. Collection Time for CSFB PS Handover Out UE
Source eNB
MME
Initial Context Setup Request(with CSFB Ind) or UE Context Modification Request(with CSFB Ind) Solicit Measurement Report Handover Required 1
Attempt
Mobility From EUTRA Command
Handover Command
2
Prepare
UE Context Release Command 3
Success
UE Context Release Complete
Call Release
For the CSFB PS handover UTRAN out statistics, when the S1 Handover Required message can be transmitted to the MME after the handover UTRAN decision following the Measurement Report message arrival, it is counted as an Attempt. When the S1 Handover Command message is received from the MME, it is counted as a Prepare. The source eNB transmits the Mobility from EUTRA Command message to the UE, and the MME transmits the S1 UE Context Release Command message to the source eNB. At this point, the source eNB is counted as a Success. If the procedure from to fails, it is counted as a Prepare Fail, returning the cause value. When the procedure from to fails, it is counted as a CSFB PS HO UTRAN Out and returns the cause value
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Appendix B Call Flow Figure 390. Collection Time for CSFBPsHoUtranPrepFail_S1apCuFail UE
eNB
MME
Initial Context Setup Request(with CSFB Ind) or UE Context Modification Request(with CSFB Ind) Solicit Measurement Handover Required 1
Attempt
2
Preparation Failure
Handover Preparation Failure
CSFBPsHoUtranPrepFail_S1apCuFail
Figure 391. Collection Time for CSFB PS Out Handover UE
eNB
MME
Initial Context Setup Request(with CSFB Ind) or UE Context Modification Request(with CSFB Ind) Solicit Measurement Report Handover Required 1
Attempt
2
Preparation Failure - CSFBPsHoUtranPrepFail_CpCcFail - CSFBPsHoUtranPrepFail_S1apLinkFail - CSFBPsHoUtranPrepFail_S1apSigFail
Figure 392. Collection Time for CSFBPsHoUtranPrepFail_S1apRpTo UE
eNB
MME
Initial Context Setup Request(with CSFB Ind) or UE Context Modification Request(with CSFB Ind) Solicit Measurement Report Handover Required 1
Attempt
2
Preparation Failure - CSFBPsHoUtranPrepFail_S1apRpTo
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Appendix B Call Flow Figure 393. Collection Time for CSFBPsHoUtranFail_S1apRoTo UE
eNB
MME
Initial Context Setup Request(with CSFB Ind) or UE Context Modification Request(with CSFB Ind) Solicit Measurement Report Handover Required 1
Attempt
Handover Command 2
Mobility From EUTRA Command
Preparation Handover Preparation Failure
3
Success Failure - CSFBPsHoUtranFail_S1apRoTo
Figure 394. Collection Time for CSFB PS Out Handover UE
eNB
MME
Initial Context Setup Request(with CSFB Ind) or UE Context Modification Request(with CSFB Ind) Solicit Measurement Report Handover Required 1
Attempt
Handover Command 2
Mobility From EUTRA Command
3
Success Failure
Preparation
- CSFBPsHoUtranFail_CpCcTo - CSFBPsHoUtranFail_CpCcFail - CSFBPsHoUtranFail_UpGtpFail - CSFBPsHoUtranFail_UpMacFail - CSFBPsHoUtranFail_UpPdcpFail - CSFBPsHoUtranFail_UpRlcFail - CSFBPsHoUtranFail_RrcSigFail - CSFBPsHoUtranFail_S1apCuFail - CSFBPsHoUtranFail_S1apLinkFail - CSFBPsHoUtranFail_S1apSigFail
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Appendix B Call Flow
CSFB Redirection Out Figure 395. Collection Time for CSFB Redirection Out UE
Source eNB
MME
Initial Context Setup Request(with CSFB Ind) or UE Context Modification Request(with CSFB Ind)
1
Attempt
Initial Context Setup Response or UE Context Modification Response
Redirection 2
Prepare
RRC connection Release (with Redirection Info)
3
Success
Call Release
For the CSFB with Redirection UTRAN statistics, when the Initial Context Setup Request or the UE Context Modification Request message received has the CSFB Indicator IE, according to which CSFB is decided, it is counted as an Attempt. When preparation is completed in the eNB, it is counted as a Prepare. A Success is counted when the RRC Connection Release message is transmitted to the UE for redirection.
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Appendix B Call Flow
PS Redirection UTRAN Out Figure 396. Collection Time for PS Redirection UTRAN Out UE
eNB
MME
Measurement Report 1
Attempt
Redirection 2
Prepare
3
Success
RRC Connection Release (with Redirection Info)
UE Context Release Request Call Release
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Appendix B Call Flow
HO GERAN GERAN SRVCC Handover Figure 397. Collection Time for GERAN SRVCC Handover UE
eNB
MME
S/GW
RRC_CONNECTED Measurement Report SRVCC Decision 1
GERANSrvccOutAtt Handover Required Handover Command
Mobility From Eutra Command 2
Failure - GeranSrvccOutFail_CpCcTo - GeranSrvccOutFail_CpCcFail - GeranSrvccOutFail_UpGtpFail - GeranSrvccOutFail_UpMacFail - GeranSrvccOutFail_UpPdcpFail - GeranSrvccOutFail_UpRlcFail - GeranSrvccOutFail_RrcSigFail - GeranSrvccOutFail_S1apCuFail - GeranSrvccOutFail_S1apLinkFail - GeranSrvccOutFail_S1apRoTo - GeranSrvccOutFail_S1apSigFail Call Release Procedure RRC_IDLE
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Appendix B Call Flow
PS-HO to GERAN Figure 398. Collection Time for PS-HO to GERAN UE
eNB
MME
S/GW
RRC_CONNECTED Measurement Report PS HO Decision 1
RatGeranOutAtt Handover Required Handover Command
Mobility From Eutra Command
2
RatGeranOutPreSucc
UE Context Release Command 3
RatGeRanOutSucc
UE Context Release Complete RRC_IDLE
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Appendix B Call Flow Figure 399. Collection Time for PS HO preparation UE
eNB
MME
S/GW
RRC_CONNECTED Measurement Report PS HO Decision 1
RatGeranOutAtt Handover Required
2-1 Timer
Preparation Failure RatGeranOutPreSucc - RatGeranOutPrepFail_CpCcFail - RatGeranOutPrepFail_S1apSigFail - RatGeranOutPrepFail_S1apLinkFail
Timout for Handover Command message 2-2
Preparation Failure - RatGeranOutPrepFail_S1apRpTo
Handover Preparation Fail 2-3
Preparation Failure - RatGeranOutPrepFail_S1apCuFail Handover Cancel RRC_CONNECTED
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Appendix B Call Flow
Figure 400. Collection Time for PS HO to GERAN UE
eNB
MME
S/GW
RRC_CONNECTED Measurement Report PS HO Decision 1
RatGeranOutAtt Handover Required Handover Command
Mobility From Eutra Command 2
Failure - RatGeranOutFail_CpCcTo - RatGeranOutFail_CpCcFail - RatGeranOutFail_UpGtpFail - RatGeranOutFail_UpMacFail - RatGeranOutFail_UpPdcpFail - RatGeranOutFail_UpRlcFail - RatGeranOutFail_RrcSigFail - RatGeranOutFail_S1apCuFail - RatGeranOutFail_S1apLinkFail - RatGeranOutFail_S1apRoTo - RatGeranOutFail_S1apSigFail Call Release Procedure RRC_IDLE
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Appendix B Call Flow
PS-HO from GERAN Figure 401. Collection Time for PS HO from GERAN UE
MME
Target eNB
Attempt
1
Prepare
2
Handover Request Handover Request Acknowledge
RRC Connection Reconfiguration Complete (Handover to E-UTRAN Complete) Success
Handover Notify
3
Figure 402. Collection Time for PS HO In Preparation (Failure) UE
MME
Target eNB
Attempt
1
2 Preparation Failure - RatGeranInPrepFail_CpCcTo - RatGeranInPrepFail_CpCcFail - RatGeranInPrepFail_UpGtpFail - RatGeranInPrepFail_UpMacFail - RatGeranInPrepFail_UpPdcpFail - RatGeranInPrepFail_UpRlcFail - RatGeranInPrepFail_CpBhCacFail - RatGeranInPrepFail_CpCapaCacFail - RatGeranInPrepFail_CpQosCacFail - RatGeranInPrepFail_S1apCuFail - RatGeranInPrepFail_S1apLinkFail - RatGeranInPrepFail_S1apSigFail
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Handover Request
Handover Failure
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Appendix B Call Flow
Figure 403. Collection Time for PS HO From GERAN (Failure) UE
MME
Target eNB
Attempt
1
Prepare
2
Handover Request Handover Request Acknowledge
3 Failure - RatGeranInFail_CpCcTo - RatGeranInFail_CpCcFail - RatGeranInFail_UpGtpFail - RatGerainInFail_UpMacFail - RatGeranInFail_UpPdcpFail - RatGeranInFail_UpRlcFail - RatGerainInFail_RrcHcTo - RatGeranInFail_RrcSigFail - RatGeranInFail_S1apCuFail - RatGeranInFail_S1apSigFail - RatGerainInFail_S1apSigTo
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UeConext Release Request
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Appendix B Call Flow
GERAN CCO Figure 404. Collection Time for GERAN CCO UE
eNB
MME
S/GW
RRC_CONNECTED Measurement Report CCO Decision
Mobility From Eutra Command
1
CcoGeranAtt
2
CcoGeranPreSucc
3
CcoGeranSucc
UE Context Release Request UE Context Release Command UE Context Release Complete
RRC_IDLE
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Appendix B Call Flow
GERAN Redirection Figure 405. Collection Time for GERAN Redirection UE
eNB
MME
S/GW
RRC_CONNECTED Measurement Report CCO Decision 1
RedirGeranAtt
2
RedirGeranPreSucc
3
RedirGeranSucc
Rrc Connection Release with redirection
UE Context Release Request UE Context Release Command UE Context Release Complete
RRC_IDLE
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Appendix B Call Flow
CSFB PSHO to GERAN Figure 406. Collection Time for CSFB PSHO to GERAN UE
Source eNB
MME
Initial Context Setup Request(with CSFB Ind) or UE Context Modification Request(with CSFB Ind) Solicit Measurement Report Handover Required 1
Attempt
Mobility From EUTRA Command
Handover Command
2
Prepare
UE Context Release Command 3
Success
UE Context Release Complete
Call Release
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Appendix B Call Flow
CSFB GERAN CCO Figure 407. Collection Time for CSFB GERAN CCO UE
eNB
MME
S/GW
RRC_CONNECTED Solicit Measurement Report CCO Decision
Mobility From Eutra Command
1
CcoGeranAtt
2
CcoGeranPreSucc
3
CcoGeranSucc
UE Context Release Request UE Context Release Command UE Context Release Complete
RRC_IDLE
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Appendix B Call Flow
CSFB GERAN Redirection Figure 408. Collection Time for CSFB GERAN Redirection UE
Source eNB
MME
Initial Context Setup Request(with CSFB Ind) or UE Context Modification Request(with CSFB Ind) Initial Context Setup Response or UE Context Modification Response 1
Attempt Redirection
2
Prepare
RRC connection Release (with Redirection Info) 3
Success
Call Release
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Appendix B Call Flow
VoLTE VoLTE Handover Figure 409. Collection time for VoLTE Intra handover
Target Cell
Source Cell
UE Measurement Report
1
Target Cell Perparation
2
VoLTE_IntraEnbPrepSucc
VoLTE_IntraEnbAtt
Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete
3
VoLTE_IntraEnbSucc
Figure 410. Collection time for VoLTE X2 handover
UE
Source eNB
Target eNB
MME
Measurement Report HO Decision VoLTE_InterX2OutAtt 1
VoLTE_InterX2OutPrepSucc
2
Handover Required
Handover Request Acknowledge
Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete Path Switch Request
VoLTE_InterX2OutSucc
3
UE Context Release
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
Path Switch Request Acknowledge
249
Appendix B Call Flow Figure 411. Collection time for VoLTE S1 handover UE
Source eNB
Target eNB
MME
Measurement Report HO Decision VoLTE_InterS1OutAtt
Handover Required
1
Handover Request Handover Request Acknowledge VoLTE_InterS1OutPrepSucc
Handover Command
2
Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete Tracking Area Update Procedure (NAS) UE Context Release Command VoLTE_InterS1OutSucc
3
UE Context Release Complete
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Appendix B Call Flow
VoLTE Handover time Figure 412. Collection time for VoLTE intra handover time UE
eNB UE Including QCI #1 moves to Intra eNB Cell Measurement Report HO Decision Target Cell Preparation Rrc Connection Reconfiguration VoLTE Intra Ho Time Rrc Connection Reconfiguration Complete
Figure 413. Collection time for VoLTE X2 handover time
UE
Source eNB
Target eNB
UE Including QCI #1 moves to inter eNB Cell Measurement Report HO Decision Handover Required Handover Request Acknowledge Rrc Connection Reconfiguration VoLTE X2 Ho Time Rrc Connection Reconfiguration Complete
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Appendix B Call Flow Figure 414. Collection time for VoLTE S1 handover time UE
Source eNB
Target eNB
MME
UE Including QCI #1 moves to inter MME Cell Measurement Report HO Decision Handover Required Handover Request Handover Request Acknowledge Rrc Connection Reconfiguration
Handover Command VoLTE S1 Ho Time
Rrc Connection Reconfiguration Complete
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Appendix B Call Flow
VoLTE Quality Defect Figure 415. Collection time for Downlink VoLTE quality defect
UE
eNB
MME
S/GW
UE CONNECTED Downlink RTP Packet Receive By QCI #1 Bearer Delayed RTP packet count - VoLTEDLQualityDefect
Figure 416. Collection time for Uplink VoLTE quality defect
UE
eNB
MME
S/GW
UE CONNECTED Uplink RTP Packet Receive By QCI #1 Delayed RTP packet count - VoLTEULQualityDefect
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Appendix B Call Flow
GTP GTP Sequence Number per QCI Figure 417. Collection Time for GTP Sequence Number per QCI
UE
eNB
MME
S/GW
RRC_CONNECTED
Downlink DRB Packet Receive (if loss or oss packet occurs) - GtpSnQciPeakLoss - GtpSnQciOos
GTP Sequence Number per eNB Figure 418. Collection Time for GTP Sequence Number per eNB UE
eNB
MME
S/GW
RRC_CONNECTED
Downlink DRB Packet Receive - GtpSnEnbDLCnt (if loss or oss packet occurs) - GtpSnEnbPeakLoss - GtpSnEnbOos
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Appendix B Call Flow
GTP Forward Traffic Figure 419. Collection Time for GTP Forward Traffic UE
eNB
MME
S/GW
RRC_CONNECTED
Uplink DRB Packet Send - CntGtpULEnbS1Nor - ByteGtpULEnbS1Nor Downlink DRB Packet Receive - CntGtpDLEnbS1Nor - ByteGtpDLEnbS1Nor
Figure 420. Collection Time for GTP Forward Traffic UE
Source eNB
S/GW
Target eNB
RRC_CONNECTED
Forward Traffic Send - CntGtpULEnbS1Fw - CntGtpULEnbIRatUtransS1Fw - CntGtpULEnbIRatGeranS1Fw - CntGtpULEnblRatCdma2000HrpdS1Fw - ByteGtpULEnbS1Fw - ByteGtpULEnblRatUtransS1Fw - ByteGtpULEnblratGeranS1Fw - ByteGtpULEnbSlRatCdma2000HrpdS1Fw
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
Forward Traffic Receive - CntGtpDLEnbS1Fw - CntGtpDLEnbIRatUtransS1Fw - CntGtpDLEnbIRatGeranS1Fw - CntGtpDLEnblRatCdma2000HrpdS1Fw - ByteGtpDLEnbS1Fw - ByteGtpDLEnblRatUtransS1Fw - ByteGtpDLEnblratGeranS1Fw - ByteGtpDLEnbSlRatCdma2000HrpdS1Fw
255
Appendix B Call Flow
Figure 421. Collection Time for GTP Forward Traffic UE
Source eNB
Target eNB RRC_CONNECTED
Forward Traffic Send - CntGtpULEnbX2Fw - CntGtpULEnbIRatUtransX2Fw - CntGtpULEnbIRatGeranX2Fw - CntGtpULEnblRatCdma2000HrpdX2Fw - ByteGtpULEnbX2Fw - ByteGtpULEnblRatUtransX2Fw - ByteGtpULEnblratGeranX2Fw - ByteGtpULEnbSlRatCdma2000HrpdX2Fw
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
Forward Traffic Receive - CntGtpDLEnbX2Fw - CntGtpDLEnbIRatUtransX2Fw - CntGtpDLEnbIRatGeranX2Fw - CntGtpDLEnblRatCdma2000HrpdX2Fw - ByteGtpDLEnbX2Fw - ByteGtpDLEnblRatUtransX2Fw - ByteGtpDLEnblratGeranX2Fw - ByteGtpDLEnbSlRatCdma2000HrpdX2Fw
256
Appendix B Call Flow
SRB Cell PDCP SDU Bit Rate Figure 422. Collection Time for PdcpSduBitrateDLTot UE
eNB
MME
S/GW
Downlink SRB Packet Send - PdcpSduBitrateDLTot
Downlink SRB Packet Receive
Figure 423. Collection Time for PdcpSduBitrateULTot UE
eNB
MME
S/GW
Uplink SRB Packet Receive - PdcpSduBitrateULTot
Uplink SRB Packet Send
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Appendix B Call Flow
DRB Packet Drop Rate Figure 424. Collection Time for PdcpSduDropRateDL UE
eNB
MME
S/GW
RRC_CONNECTED Downlink DRB Packet Send Fail - PdcpSduDropRateDL
Downlink DRB Packet Receive
Packet Loss Rate Figure 425. Collection Time for PdcpSduLossRateUL, PdcpSduLossUlNum UE
eNB
MME
S/GW
RRC_CONNECTED
Uplink DRB Packet Receive
Uplink DRB Packet Send
Packet Loss Uplink DRB Packet Receive - PdcpSduLossRateUL
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Uplink DRB Packet Send
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Appendix B Call Flow
S1SIG UE-associated logical S1 Connection Establishment Figure 426. Collection Time for S1SIG (1) UE
eNB
MME
S/GW
MME
S/GW
MME
S/GW
RRC_IDLE Initial UE Message
1
Attempt
2
Success
Initial Context Setup Request
RRC_CONNECTED
Figure 427. Collection Time for S1SIG (2) UE
eNB RRC_IDLE Initial UE Message
1
Attempt
2
Success
Downlink NAS Transport
RRC_CONNECTED
Figure 428. Collection Time for S1SIG (3) UE
eNB RRC_IDLE Initial UE Message
1
Attempt
2
Success
UE Context Release Command
RRC_CONNECTED
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Appendix B Call Flow Figure 429. Collection Time for S1ConnEstabFail_S1apSigTo UE
eNB
MME
S/GW
RRC_CONNECTED
Attempt
1
Initial UE Message Initial Context Setup Request Timeout
2 Failure - S1ConnEstabFail_S1apSigTo RRC_CONNECTED
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Appendix B Call Flow
Paging Paging Figure 430. Collection Time for PAGING UE
eNB
MME
S/GW
RRC_IDLE Paging Request Paging Paging
1
Attempt
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Appendix B Call Flow
Load Balancing Idle Load Balancing Figure 431. Statistics for Idle LB
UE
eNB
RRC_CONNECTED
IDLE UE DISTRIBUTION
COUNT 1. UECount 2. IdleLbCnt 3. IdleLbTargetEarfcnDL
RRCConnectionRelease
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Appendix B Call Flow
Handover for MLB Figure 432. Handover Statistics for MLB UE
Serving Cell
Target Cell
RRC_CONNECTED
Load balancing Trigger
COUNT 1.MlbNotTriggeredLoadC ondition
In case of no candidate cells
RRCConnectionReconfiguration Measurement Reporting COUNT 1.MlbNotTriggeredRadio Condition
COUNT 1.MlbNotTriggeredLoadC ondition
In case of no received MRs
In case of no target cells
Target Cell Decision
COUNT 1.MlbHOAtt
Handover Request {Cause: Reduce Load in Serving Cell} Handover Request Acknowledge RRCConnectionReconfiguration RRCConnectionReconfigurationComplete UEContextRelease COUNT 1.MlbHOSucc
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Appendix B Call Flow
Redirection for MLB Figure 433. Redirection Statistics for MLB
UE
Serving Cell
RRC_CONNECTED Load balancing Trigger Intra-LTE Blind Offloading to intra-LTE
RRCConnectionReconfiguration Measurement Reporting COUNT 1.LBRedirectiontoLTE
RRCConnectionRelease
Redirection Statistics for IRAT MLB Figure 434. IRAT Redirection Statistics for MLB UE
Serving Cell
RRC_CONNECTED IRAT Load balancing Trigger
Selected among WCDMA, GSM, and HRPD as the configured priority.
Blind Offloading to IRAT
RRCConnectionReconfiguration Measurement Reporting COUNT 1.LBRedirectiontoWCDM A or LBRedirectiontoGSM or LBRedirectiontoHRPD
RRCConnectionRelease
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Appendix B Call Flow
Load Figure 435. Collection Time for Load DSP
CSAB
ECCB
PrbUsage
. . .
ActiveLbInd 1
LoadInd, MlbDuration
PrbUsage
Load Histogram Figure 436. Collection Time for Load Histogram DSP
CSAB
ECCB
PrbUsage 1 . . .
LoadHistogram
ActiveLbInd
PrbUsage
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Appendix B Call Flow
On-demand Forced Handover Handover for On-demand Forced Handover Figure 437. Handover Statistics for On-demand Forced Handover UE
Serving Cell
Target Cell
RRC_CONNECTED OnDemand Forced HO Trigger
RRCConnectionReconfiguration Measurement Reporting
COUNT 1.OnDemandHoOutAtt
Handover Request {Cause: Switch Off Ongoing} COUNT 1.OnDemandHoInAtt
Handover Request Acknowledge RRCConnectionReconfiguration RRCConnectionReconfigurationComplete UEContextRelease COUNT 1.OnDemandHoOutSucc
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
COUNT 1.OnDemandHoInSucc
266
Appendix B Call Flow
Redirection for On-demand Forced Handover Figure 438. Redirection Statistics for On-demand Forced Handover UE
Serving Cell
RRC_CONNECTED OnDemand Forced HO Trigger
RRCConnectionReconfiguration
Selected among LTE, WCDMA, GSM, and HRPD as supportable carrier
Measurement Reporting COUNT 1.RedirectionToLTEByOnDemandHo 2. RedirectionToWCDMAByOnDemandHo 3. RedirectionToGERANByOnDemandHo 4. RedirectionToHRPDByOnDemandHo 5. CcoToGERANByOnDemandHo
RRCConnectionRelease
Timer based Release Figure 439. Release Statistics for Timer based Release UE
Serving Cell
RRC_CONNECTED Timer Event for timer based release is occured
Trigger forced release for all remaining UEs
COUNT 1.ReleaseCntByTimer
RRCConnectionRelease
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Appendix B Call Flow
FeICIC Handover for FeICIC Figure 440. Handover Statistics for FeICIC UE
Serving Cell
Partner Cell
RRC_CONNECTED
FeICIC Trigger
RRCConnectionReconfiguration Measurement Reporting
COUNT 1.EICICHOAtt
Handover Request {Cause: Resource Optimisation Handover}
Handover Request Acknowledge RRCConnectionReconfiguration RRCConnectionReconfigurationComplete UEContextRelease COUNT 1.EICICHOSucc
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Appendix B Call Flow
Partnership for FeICIC Figure 441. Partnership Count for FeICIC
Serving Cell
Partner Cell
Load Information {for Partnership Request} Decision for partnership establishment
COUNT 1.PartnershipCnt
Load Information {for Partnership Establishment Notify}
Load for FeICIC Figure 442. Load and CRE UE Count for FeICIC
Serving Cell Timer event for Resource Status Reporting is occured COUNT 1.CompositeAvailCapa 2. DLABSstatus 3. CREUECount
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Appendix B Call Flow
eICIC UE Count for FeICIC Figure 443. eICIC UE Count for FeICIC
UE
Serving Cell UE Capability Enquiry
UE
Target Cell
RRC Connection Reconfiguration Complete after HO request
UE Capability Information Check UE capability FGI = 115
Check UE capability FGI = 115
COUNT 1.EICICCapaUECount
COUNT 1.EICICCapaUECount
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Appendix B Call Flow
Overload Protection Denied Call Count for Overload Protection Figure 444. Denied Call Count for Overload Protection eNB
RRC Connection Request
INITIATION - highPriorityAccessCount = 0, - moSighnalingcount = 0, - moDataCount = 0, - delayTolerantAccessCount = 0
ATTACH Timer(timOverloadProtect_id)
RRCConnectionRequest Y overloadProtectCtrl!= noUse?
EXECUTE RRCConnectionRequest
N gNormalCallRcvCnt > thresholdForNormalCall ?
Y
Y
highPriorityAccess?
COLLECT Statistics for DenyForHighPriorityAccess
N
N
Y
COLLECT Statistics for DenyFormoSignaling
Y
COLLECT Statistics for DenyFormoData
Y
COLLECT Statistics for DenyForDelayTolerantAccess
moSignaling? N
moData? N
delayTolerantAccess? N
overloadProtectCtrl == protectPerEstablishCause N
Y
Y
highPriorityAccess?
gHighPriorityAccessCount++
Y > gHighPriorityAccessCount thresholdForHighPriorityAccessR ate? N
COLLECT Statistics for DenyForHighPriorityAccess
gMoSignalingCount++
Y gMoSignalingCount > thresholdFormoSignalingRate?
COLLECT Statistics for DenyFormoSignaling
N Y
moSignaling? N
N Y
moData?
COLLECT Statistics for DenyForDelayTolerantAccess
Y > gDelayTolerantAccessCount thresholdForDelayTolerantAcces sRate? N
COLLECT Statistics for DenyFormoData
N
N Y
delayTolerantAccess?
Y gMoDataCount > thresholdFormoDataRate?
gMoDataCount++
gDelayTolerantAccessCount++
N
EXECUTE RRCConnectionRequest
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Appendix B Call Flow
eMBMS MBMS eNB Signaling Figure 445. Collection Time for M2ConnEstabAtt (1) eNB
MCE
M2AP_OUT_OF_SERVICE
eNB is configured to provide eMBMS service M2ConnEstabAtt
1
M2ConnEstabSucc
2
M2AP M2 SETUP REQUEST
M2AP M2 SETUP RESPONSE M2AP_IN_SERVICE
Figure 446. Collection Time for M2ConnEstabAtt (2) eNB
M2ConnEstabAtt
1
MCE M2AP M2 SETUP REQUEST
Timer to wait M2AP M2 SETUP RESPONSE expires M2ConnEstabFail_M2apCuFail
2
M2ConnEstabAtt
3
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
M2AP M2 SETUP REQUEST
272
Appendix B Call Flow Figure 447. Collection Time for M2ConnEstabAtt (3) eNB
M2ConnEstabAtt
1
M2ConnEstabFail_M2apCuFail
2
MCE M2AP M2 SETUP REQUEST
M2AP M2 SETUP FAILURE
Timer to prohibit sending M2AP M2 SETUP REQUEST expires M2ConnEstabAtt
M2AP M2 SETUP REQUEST
3
Figure 448. Collection Time for M2ConnEstabAtt (4) eNB
MCE M2AP RESET(Reset Type: M2 interface)
M2AP RESET ACKNOWLEDGE
M2ConnEstabAtt
M2AP M2 SETUP REQUEST
1
Figure 449. Collection Time for M2ConnEstabAtt (5) eNB
M2ConnEstabAtt
1
MCE M2AP M2 SETUP REQUEST
eNB configuration related to eMBMS has been changed M2ConnEstabSucc
2
M2ConnEstabAtt
3
M2AP M2 SETUP RESPONSE
M2AP M2 SETUP REQUEST
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Appendix B Call Flow Figure 450. Collection Time for M2ConnEstabAtt (6) eNB
M2ConnEstabAtt
MCE M2AP M2 SETUP REQUEST
1
M2AP M2 SETUP RESPONSE Contents of the received message have a problem M2ConnEstabFail_M2apCuFail
2
Timer to prohibit sending M2AP M2 SETUP REQUEST expired
M2ConnEstabAtt
M2AP M2 SETUP REQUEST
3
Figure 451. Collection Time for M2ConnEstabSucc eNB
M2ConnEstabAtt
1
M2ConnEstabSucc
2
MCE M2AP M2 SETUP REQUEST M2AP M2 SETUP RESPONSE M2AP_IN_SERVICE
Figure 452. Collection Time for M2ConnEstabFail_M2apCuFail (1) eNB
M2ConnEstabAtt
1
MCE M2AP M2 SETUP REQUEST
Timer to wait M2AP M2 SETUP RESPONSE expires
M2ConnEstabFail_M2apCuFail
2
M2ConnEstabAtt
3
M2AP M2 SETUP REQUEST
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Appendix B Call Flow Figure 453. Collection Time for M2ConnEstabFail_M2apCuFail (2) eNB
M2ConnEstabAtt
1
M2ConnEstabFail_M2apCuFail
2
MCE M2AP M2 SETUP REQUEST M2AP M2 SETUP FAILURE
Timer to prohibit sending M2AP M2 SETUP REQUEST expired
M2ConnEstabAtt
M2AP M2 SETUP REQUEST
3
Figure 454. Collection Time for M2ConnEstabFail_M2apCuFail (3) eNB
M2ConnEstabAtt
MCE M2AP M2 SETUP REQUEST
1
M2AP M2 SETUP RESPONSE
Contents of the received message have a problem M2ConnEstabFail_M2apCuFail
2
Timer to prohibit sending M2AP M2 SETUP REQUEST expires M2ConnEstabAtt
M2AP M2 SETUP REQUEST
3
Figure 455. Collection Time for M2ConnEstabFail_M2apLinkFail eNB
M2ConnEstabAtt
MCE M2AP M2 SETUP REQUEST
1
SCTP status has been changed to OUT_OF_SERVICE M2ConnEstabFail_M2apLinkFail
2
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Appendix B Call Flow Figure 456. Collection Time for SessionStartAtt eNB
MCE
M2AP_IN_SERVICE
SessionStartAtt
1
SessionStartSucc
2
M2AP MBMS SESSION START REQUEST
M2AP MBMS SESSION START RESPONSE
Figure 457. Collection Time for SessionStartSucc eNB
MCE
M2AP_IN_SERVICE
SessionStartAtt
1
SessionStartSucc
2
M2AP MBMS SESSION START REQUEST
M2AP MBMS SESSION START RESPONSE
Figure 458. Collection Time for SessionStartFail_M2apCuFail (1) eNB
SessionStartAtt
MCE M2AP MBMS SESSION START REQUEST
1
This eNB does not serve the PLMN in TMGI IE SessionStartFail_M2apCuFail
M2AP MBMS SESSION START FAILURE
2
Figure 459. Collection Time for SessionStartFail_M2apCuFail (2) eNB
SessionStartAtt
1
MCE M2AP MBMS SESSION START REQUEST
MCE MBMS M2AP ID duplication is found SessionStartFail_M2apCuFail
2
M2AP MBMS SESSION START FAILURE
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Appendix B Call Flow
Figure 460. Collection Time for SessionStartFail_M2apCuFail (3) eNB
SessionStartAtt
MCE M2AP MBMS SESSION START REQUEST
1
Contents of the received message have a problem SessionStartFail_M2apCuFail
M2AP MBMS SESSION START FAILURE
2
Figure 461. Collection Time for SessionStartFail_M2apLinkFail eNB
SessionStartAtt
MCE M2AP MBMS SESSION START REQUEST
1
eNB tries to send M2AP MBMS SESSION START RESPONSE but it fails SessionStartFail_M2apLinkFail
2
Figure 462. Collection Time for SessionStopAtt eNB
MCE M2AP MBMS SESSION STOP REQUEST
SessionStopAtt 1
M2AP MBMS SESSION STOP RESPONSE
SessionStopSucc 2
Figure 463. Collection Time for SessionStopSucc eNB
SessionStopAtt 1
SessionStopSucc 2
MCE M2AP MBMS SESSION STOP REQUEST
M2AP MBMS SESSION STOP RESPONSE
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Appendix B Call Flow
Figure 464. Collection Time for SessionStopFail_M2apLinkFail eNB
SessionStopAtt
1
MCE M2AP MBMS SESSION STOP REQUEST
eNB tries to send M2AP MBMS SESSION STOP RESPONSE but it fails SessionStopFail_M2apLinkFail
2
Figure 465. Collection Time for SessionStartFail_M2OtherReasons eNB
MCE M2AP M2 SETUP REQUEST
M2ConnEstabAtt 1 eNB configuration reloted to eMBMS has been changed while M2 setup procedure is ongoing M2ConnEstabFail_M2apCuFail
M2AP M2 SETUP RESPONSE
2
M2AP M2 SETUP REQUEST
M2ConnEstabAtt 3 SessionStopAtt
4
M2AP MBMS SESSION START REQUEST
eNB received M2AP MBMS SESSION STARTREQUEST while M2 setup procedure is ongoing SessionStartFail_M2OtherReasons
5
M2ConnEstabSucc 6
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
M2AP M2 SETUP RESPONSE
278
Appendix B Call Flow
MBMS eNB Sync Figure 466. Collection Time for M2ConnEstabAtt (1) eNB
MCE
M2AP_OUT_OF_SERVICE
eNB is configured to provide eMBMS service M2AP M2 SETUP REQUEST
M2ConnEstabAtt 1
M2AP M2 SETUP RESPONSE
M2ConnEstabSucc 2
M2AP_IN_SERVICE
Figure 467. Collection Time for M2ConnEstabAtt (2) eNB
MCE M2AP M2 SETUP REQUEST
M2ConnEstabAtt 1 Timer to wait M2AP M2 SETUP RESPONSE expires M2ConnEstabFail_M2apCuFail
2 M2AP M2 SETUP REQUEST
M2ConnEstabAtt 3
Figure 468. Collection Time for M2ConnEstabAtt (3) eNB
M2ConnEstabAtt
1
M2ConnEstabFail_M2apCuFail
2
MCE M2AP M2 SETUP REQUEST
M2AP M2 SETUP FAILURE
Timer to prohibit sending M2AP M2 SETUP REQUEST expires M2ConnEstabAtt
3
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M2AP M2 SETUP REQUEST
279
Appendix B Call Flow Figure 469. Collection Time for M2ConnEstabAtt (4) eNB
MCE M2AP RESET(Reset Type: M2 interface)
M2AP RESET ACKNOWLEDGE
M2AP M2 SETUP REQUEST
M2ConnEstabAtt 1
Figure 470. Collection Time for M2ConnEstabAtt (5) eNB
MCE M2AP M2 SETUP REQUEST
M2ConnEstabAtt 1 eNB configuration related to eMBMS has been changed
M2AP M2 SETUP RESPONSE
M2ConnEstabSucc 2
M2AP M2 SETUP REQUEST
M2ConnEstabAtt 3
Figure 471. Collection Time for M2ConnEstabAtt (6) eNB
M2ConnEstabAtt
1
MCE M2AP M2 SETUP REQUEST
M2AP M2 SETUP RESPONSE
Contents of the received message have a problem M2ConnEstabFail_M2apCuFail
2
Timer to prohibit sending M2AP M2 SETUP REQUEST expires M2ConnEstabAtt
3
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
M2AP M2 SETUP REQUEST
280
Appendix B Call Flow Figure 472. Collection Time for M2ConnEstabSucc eNB
M2ConnEstabAtt
1
M2ConnEstabSucc
2
MCE M2AP M2 SETUP REQUEST
M2AP M2 SETUP RESPONSE M2AP_IN_SERVICE
Figure 473. Collection Time for M2ConnEstabFail_M2apCuFail (1) eNB
M2ConnEstabAtt
MCE M2AP M2 SETUP REQUEST
1
Timer to wait M2AP M2 SETUP RESPONSE expires M2ConnEstabFail_M2apCuFail
2
M2ConnEstabAtt
3
M2AP M2 SETUP REQUEST
Figure 474. Collection Time for M2ConnEstabFail_M2apCuFail (2) eNB
M2ConnEstabAtt
1
M2ConnEstabFail_M2apCuFail
2
MCE M2AP M2 SETUP REQUEST
M2AP M2 SETUP FAILURE
Timer to prohibit sending M2AP M2 SETUP REQUEST expires M2ConnEstabAtt
3
Samsung LTE eNB Counter Description for PKG 5.0.0 v1.0 © Samsung Proprietary and Confidential
M2AP M2 SETUP REQUEST
281
Appendix B Call Flow
Figure 475. Collection Time for M2ConnEstabFail_M2apCuFail (3) eNB
M2ConnEstabAtt
MCE M2AP M2 SETUP REQUEST
1
M2AP M2 SETUP RESPONSE
Contents of the received message have a problem M2ConnEstabFail_M2apCuFail
2
Timer to prohibit sending M2AP M2 SETUP REQUEST expires M2ConnEstabAtt
M2AP M2 SETUP REQUEST
3
Figure 476. Collection Time for M2ConnEstabFail_M2apLinkFail eNB
M2ConnEstabAtt
MCE M2AP M2 SETUP REQUEST
1
SCTP status has been changed to OUT_OF_SERVICE M2ConnEstabFail_M2apLinkFail
2
Figure 477. Collection Time for SessionStartAtt eNB
MCE
M2AP_IN_SERVICE
SessionStartAtt
1
SessionStartSucc
2
M2AP MBMS SESSION START REQUEST
M2AP MBMS SESSION START RESPONSE
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Appendix B Call Flow Figure 478. Collection Time for SessionStartSucc eNB
MCE
M2AP_IN_SERVICE
SessionStartAtt
1
SessionStartSucc
2
M2AP MBMS SESSION START REQUEST
M2AP MBMS SESSION START RESPONSE
Figure 479. Collection Time for SessionStartFail_M2apCuFail (1) eNB
SessionStartAtt
MCE M2AP MBMS SESSION START REQUEST
1
This eNB does not serve the PLMN in TMGI IE SessionStartFail_M2apCuFail
M2AP MBMS SESSION START FAILURE
2
Figure 480. Collection Time for SessionStartFail_M2apCuFail (2) eNB
SessionStartAtt
MCE M2AP MBMS SESSION START REQUEST
1
MCE MBMS M2AP ID duplication is found SessionStartFail_M2apCuFail
M2AP MBMS SESSION START FAILURE
2
Figure 481. Collection Time for SessionStartFail_M2apCuFail (3) eNB
SessionStartAtt
1
MCE M2AP MBMS SESSION START REQUEST
Contents of the received message have a problem SessionStartFail_M2apCuFail
2
M2AP MBMS SESSION START FAILURE
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Appendix B Call Flow Figure 482. Collection Time for SessionStartFail_M2apLinkFail eNB
SessionStartAtt
MCE M2AP MBMS SESSION START REQUEST
1
eNB tries to send M2AP MBMS SESSION START RESPONSE but it fails SessionStartFail_M2apLinkFail
2
Figure 483. Collection Time for SessionStopAtt eNB
SessionStopAtt
1
SessionStopSucc
2
MCE M2AP MBMS SESSION STOP REQUEST
M2AP MBMS SESSION STOP RESPONSE
Figure 484. Collection Time for SessionStopSucc eNB
SessionStopAtt
1
SessionStopSucc
2
MCE M2AP MBMS SESSION STOP REQUEST
M2AP MBMS SESSION STOP RESPONSE
Figure 485. Collection Time for SessionStopFail_M2apLinkFail eNB
SessionStopAtt
1
MCE M2AP MBMS SESSION STOP REQUEST
eNB tries to send M2AP MBMS SESSION STOP RESPONSE but it fails SessionStopFail_M2apLinkFail
2
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Appendix B Call Flow
Figure 486. Collection Time for SessionStartFail_M2OtherReasons eNB
MCE M2AP M2 SETUP REQUEST
M2ConnEstabAtt 1 eNB configuration reloted to eMBMS has been changed while M2 setup procedure is ongoing M2ConnEstabFail_M2apCuFail
M2AP M2 SETUP RESPONSE
2
M2AP M2 SETUP REQUEST
M2ConnEstabAtt 3 SessionStopAtt
4
M2AP MBMS SESSION START REQUEST
eNB received M2AP MBMS SESSION START REQUEST while M2 setup procedure is ongoing SessionStartFail_M2OtherReasons
5
M2ConnEstabSucc 6
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M2AP M2 SETUP RESPONSE
285
Appendix B Call Flow
MBMS Cell Sync Figure 487. Collection Time for Cell Sync (2)
RLC
Sync
Session Connected Sync PDU - TotalSyncPduTxCount - TotalSyncPduTxByte - DeliveredSyncSequenceCount
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Appendix B Call Flow
Carrier Aggregation Carrier Aggregation capable UEs (PCell) Figure 488. Collection Time for CaCapaPCellUE (1) in Initial Attach case
UE
eNB
MME Initial Context Setup Request
1
CaCapaPCellUE
RRC Connection Reconfiguration
RRC Connection Reconfiguration Complete
Initial Context Setup Response
Figure 489. Collection Time for CaCapaPCellUE (1) in X2 Handover case
UE
Source eNB
Target eNB
MME
UE moves to Inter eNB Cell Measurement Report Handover Request
RRC Connection Reconfiguration
Handover Request Acknowledge
1
CaCapaPCellUE
SN Status Transfer
RRC Connection Reconfiguration Complete Path Switch Request Path Switch Request Acknowledge UE Context Release
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Appendix B Call Flow Figure 490. Collection Time for CaCapaPCellUE (1) in S1 Handover case
UE
Source eNB
Target eNB
MME
UE moves to Inter eNB Cell Measurement Report Handover Required Handover Request
1
CaCapaPCellUE
Handover Request Acknowledge
Handover Command
RRC Connection Reconfiguration
eNB Status Transfer MME Status Transfer RRC Connection Reconfiguration Complete Handover Notify UE Context Release Command UE Context Release Complete
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Appendix B Call Flow
Carrier Aggregation Message count for Addition-Release Figure 491. Collection Time for Initial Attach
eNB
UE
MME
RRC Connection Establishment Initial Context Setup Request SCellAddAtt 1 Scell Decision 2
- SCellAddFail_CaCapaCac - SCellAddFail_CpCcFail - SCellAddFail_CpRrmFail
2
SCellAddFail_RrcSigTO
3
SCellAddSucc_RrcSig
Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete
Figure 492. Collection Time for Intra eNB Handover Source Cell
UE Measurement Report (A3 or A5 event)
Target Cell
Target Cell Perparation 1
SCellAddAtt
Scell Decision
Rrc Connection Reconfiguration
Rrc Connection Reconfiguration Complete
- SCellAddFail_CaCapaCac 2 - SCellAddFail_CpCcFail - SCellAddFail_CpRrmFail 2 SCellAddFail_RrcSigTO 3 SCellAddSucc_RrcSig
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Appendix B Call Flow Figure 493. Collection Time for X2 eNB Handover UE
Source eNB
Target eNB
MME
Measurement Report HO Decision Handover Required 1
SCellAddAtt
Scell Decision 2
- SCellAddFail_CaCapaCac - SCellAddFail_CpCcFail - SCellAddFail_CpRrmFail
Handover Request Acknowledge
Rrc Connection Reconfiguration
2 SCellAddFail_RrcSigTO Rrc Connection Reconfiguration Complete 3 SCellAddSucc_RrcSig Path Switch Request
UE Context Release SCellRel_HoOut
Path Switch Request Acknowledge
4
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Appendix B Call Flow Figure 494. Collection Time for S1 eNB Handover UE
Source eNB
Target eNB
MME
Measurement Report HO Decision Handover Required Handover Request 1
SCellAddAtt
Scell Decision 2
- SCellAddFail_CaCapaCac - SCellAddFail_CpCcFail - SCellAddFail_CpRrmFail
Handover Request Acknowledge Handover Command Rrc Connection Reconfiguration 2 SCellAddFail_RrcSigTO Rrc Connection Reconfiguration Complete 3 SCellAddSucc_RrcSig Tracking Area Update Procedure (NAS) UE Context Release Command UE Context Release Complete SCellRel_HoOut
4
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Appendix B Call Flow Figure 495. Collection Time for A4 Event
eNB
UE
RRC Connected Measurement Report (A4 event) 1
SCellAddAtt
Scell Decision
Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete
- SCellAddFail_CaCapaCac 2 - SCellAddFail_CpCcFail - SCellAddFail_CpRrmFail 2
SCellAddFail_RrcSigTO
3
SCellAddSucc_EventA4
Figure 496. Collection Time for A6 Event PCell
UE Measurement Report (A6 event)
1
Source SCell
Target SCell
SCellAddAtt
Scell Decision
Rrc Connection Reconfiguration
- SCellAddFail_CaCapaCac 2 - SCellAddFail_CpCcFail - SCellAddFail_CpRrmFail 2 SCellAddFail_RrcSigTO
Rrc Connection Reconfiguration Complete SCellAddSucc_EventA6
3
Scell delete
4
SCellRel_EventA6
Scell Setup
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Appendix B Call Flow Figure 497. Collection Time for A2 Event
eNB
UE
RRC Connected Measurement Report (A2 event) 1
SCellRel_EventA2
Rrc Connection Reconfiguration Rrc Connection Reconfiguration Complete
Figure 498. Collection Time for Rrc Connection Reestablishment
PCell
UE
Source SCell
RRC Connection Reestablishment Request
Scell delete
1
Target SCell
SCellRel_RrcResetup
Rrc Connection Reestablishment Rrc Connection Reestablishment Complete 2
SCellAddAtt
Scell Decision
Rrc Connection Reconfiguration
- SCellAddFail_CaCapaCac 3 - SCellAddFail_CpCcFail - SCellAddFail_CpRrmFail 3 SCellAddFail_RrcSigTO
Rrc Connection Reconfiguration Complete 4
SCellAddSucc_RrcResetup Scell Setup
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Appendix B Call Flow Figure 499. Collection Time for Rrc Connection Release
eNB
UE
MME
RRC Connection Establishment UE Context Release Command Rrc Connection Release
1
SCellRel_RrcSig UE Context Release Complete
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Appendix B Call Flow
MRO (RLF Classification & RLF at RRC Connection) Coverage Hole Figure 500. Collection Time for Coverage Hole Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED
RRC Connection Reestablishment Request RRC Connection Reestablishment RRC Connection Reestablishment Complete UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report) Increase CoverageHole counter when meet the condtion
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Appendix B Call Flow
Coverage Hole N Figure 501. Collection Time for Coverage Hole N Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo) RRC Connection Reestablishment Request RRC Connection Reestablishment RRC Connection Reestablishment Complete UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report) Increase CoverageHoleN counter when meet the condtion
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Appendix B Call Flow
Too Early HO Failure Figure 502. Collection Time for Topo Early HO Failure Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo) RRC Connection Reestablishment Request
RRC Connection Reestablishment
RRC Connection Reestablishment Complete
UE Information Request (rlf-ReportReq)
UE Information Response (rlf-Report) Increase TooEarlyHoFailure counter when meet the condition
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Appendix B Call Flow
Too Early HO RLF After HO Figure 503. Collection Time for Too Early HO RLF After HO Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo) RRC Connection Reconfiguration Complete RRC_CONNECTED RRC Connection Reestablishment Request RRC Connection Reestablishment Reject X2AP RLF Indication X2AP Handover Report Increase TooEarlyHoRlfAfterHo Counter when meet the condition
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Appendix B Call Flow
Too Late HO RLF before Triggering Figure 504. Collection Time for Too Late HO RLF Before Triggering Serving Cell
UE
Target Cell
RRC_CONNECTED
RRC Connection Reestablishment Request RRC Connection Reestablishment Reject X2AP RLF Indication Increase TooLateHoRlfBeforeTriggering counter when meet the condition
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Appendix B Call Flow
Too Late HO RLF after Triggering Figure 505. Collection Time for Too Late HO RLF After Triggering Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo)
RRC Connection Reestablishment Request RRC Connection Reestablishment RRC Connection Reestablishment Complete UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report) X2AP RLF Indication Increase TooLateHoRlfAfterTriggering counter when meet the condition
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Appendix B Call Flow
Wrong Cell RLF after Triggering Figure 506. Collection Time for Wrong Cell RLF After Triggering Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo)
RRC Connection Reestablishment Request RRC Connection Reestablishment Reject X2AP RLF Indication
Increase WrongCellRlfAfterTriggering counter when meet the condition
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Appendix B Call Flow
Wrong Cell RLF after HO Figure 507. Collection Time for Wrong Cell RLF After HO Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo) RRC Connection Reconfiguration Complete RRC_CONNECTED RRC Connection Reestablishment Request RRC Connection Reestablishment Reject X2AP RLF Indication X2AP Handover Report Increase WrongCellRlfAfterHo counter when meet the condition
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Appendix B Call Flow
Ping-pong Handover Figure 508. Collection Time for Ping-pong Handover Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo) RRC Connection Reconfiguration Complete RRC_CONNECTED
Increase PingpongHandover counter when meet the condition (using UE history information)
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Appendix B Call Flow
Coverage Hole at Setup Figure 509. Collection Time for Coverage Hole At Setup Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED
RRC Connection Reestablishment Request RRC Connection Reestablishment Reject
RRC_IDLE RRC Connection Setup Request RRC Connection Setup RRC Connection Setup Complete UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report) Increase CoverageHoleAtSetup counter when meet the condtion
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Appendix B Call Flow
Coverage Hole at Setup N Figure 510. Collection Time for Coverage Hole At Setup N Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo) RRC Connection Reconfiguration Complete RRC_CONNECTED RRC Connection Reestablishment Request RRC Connection Reestablishment Reject RRC_IDLE RRC Connection Setup Request RRC Connection Setup RRC Connection Setup Complete UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report)
Increase CoverageHoleAtSetupN counter when meet the condtion
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Appendix B Call Flow
Too Early HO Failure at Setup Figure 511. Collection Time for Too Early HO Failure At Setup Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo) RRC Connection Reestablishment Request RRC Connection Reestablishment Reject RRC_IDLE
RRC Connection Setup Request RRC Connection Setup RRC Connection Setup Complete
UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report) Increase TooEarlyHoFailureAtSetup counter when meet the condition
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Appendix B Call Flow
Too Early HO RLF after HO at Setup Figure 512. Collection Time for Too Early HO RLF After HO At Setup Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo) RRC Connection Reconfiguration Complete RRC_CONNECTED RRC Connection Reestablishment Request RRC Connection Reestablishment Reject RRC_IDLE
RRC Connection Setup Request RRC Connection Setup RRC Connection Setup Complete RRC_CONNECTED UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report)
Increase TooEarlyHORLFAfterHOAtSetup counter when meet the condition
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Appendix B Call Flow
Too Late HO RLF before Triggering at Setup Figure 513. Collection Time for Too Late HO RLF Before Trigger At Setup Serving Cell
UE
Target Cell
RRC_CONNECTED
RRC Connection Reestablishment Request RRC Connection Reestablishment Reject RRC Connection Setup Request RRC Connection Setup RRC Connection Setup Complete RRC_CONNECTED UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report) X2AP RLF Indication Increase TooLateHoRlfBeforeTriggeringAtSetup counter when meet the condition
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Appendix B Call Flow
HO To Wrong Cell RLF after Triggering At Setup Figure 514. Collection Time for HO To Wrong Cell RLF After Triggering At Setup Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo)
RRC Connection Reestablishment Request RRC Connection Reestablishment Reject RRC_IDLE RRC Connection Setup Request RRC Connection Setup RRC Connection Setup Complete RRC_CONNECTED UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report) X2AP RLF Indication Increase HoToWrongCellRlfAfterTriggeringAtSetup counter when meet the condition
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Appendix B Call Flow
HO To Wrong Cell RLF after HO At Setup Figure 515. Collection Time for HO to Wrong Cell RLF After HO At Setup Serving Cell
UE
Target Cell
Other Cell
RRC_CONNECTED Measurement Report
Handover Preparation
RRC Connection Reconfiguration (mobilityControlInfo) RRC Connection Reconfiguration Complete RRC_CONNECTED RRC Connection Reestablishment Request RRC Connection Reestablishment Reject RRC_IDLE RRC Connection Setup Request RRC Connection Setup RRC Connection Setup Complete RRC_CONNECTED UE Information Request (rlf-ReportReq) UE Information Response (rlf-Report) X2AP RLF Indication Increase HoToWrongCellRlfAfterHOAtSetup counter when meet the condition
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Appendix B Call Flow
Aggregate Maximum Bit Rate S1AP UE AMBR Override Figure 516. Collection Time for S1APUEAmbrOverride UE
eNB
MME
S/GW
RRC_IDLE Initial Context Setup Request UE Context Modification Request E-RAB Setup Request E-RAB Modify Request E-RAB Release Command (with AMBR > User defined limit) 1
S1APUEAmbrOverride
RRC_CONNECTED
Figure 517. Collection Time for S1APUEAmbrOverride in S1 handover case UE
Source eNB
Target eNB
MME
EPC
S-GW
(2) HANDOVER REQUIRED (3) HANDOVER REQUEST (AMBR > User defined limit)
1
S1APUEAmbrOverride
(4) HANDOVER REQUEST ACKNOWLEDGE
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Appendix B Call Flow
X2AP UE AMBR Override Figure 518. Collection Time for X2APUEAmbrOverride in X2 handover case UE
Source eNB
Target eNB
MME
EPC
S-GW
(1) MeasurementReport (2) HANDOVER REQUEST
(AMBR > User defined limit) 1 (4) RRCConnectionReconfiguration (mobilityControlinfo)
X2APUEAmbrOverride
(3) HANDOVER REQUEST ACKNOWLEDGE
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Appendix B Call Flow
KPI Accessibility This KPI shows the probability for an end-user to be provided with an E-RAB at request.
Probability Success Rate for E-RABs Establishment
Successful attempts compared with total number of attempts for the different parts of the E-RAB establishment SAEB.NbrSu ccEstabInit.QCI RRC.SuccCo nnEstab.cause
A1 InitialEPS BEstabSR cause
RRC.AttConnEstab.cause
S1SIG.Conn EstabSucc 100 S1SIG.Conn EstabAtt SAEB.NbrAttEstabInit.QCI QCI
cause
QCI
A2 AddedEPSBE stabSR
SAEB.NbrSuccEstabAdd.QCI QCI
SAEB.NbrAttEstabAdd.QCI
100
QCI
Retainability This section provides statistics on a measurement that shows how often an enduser abnormally looses an E-RAB during the time the E-RAB is used. This statistics item is collected for each cell.
Retainability per QCI This section provides statistics on the measurement that shows how often an enduser abnormally loses an E-RAB during the time the E-RAB is used. This statistics item is collected for each QCI.
R1QCI x
ERAB . Re lActNbr _ QCIQCI x ERAB .SessionTimeQCI _ QCIQCI x
Integrity This section provides statistics on the data that shows how E-UTRAN impacts the service quality provided to an end-user. Payload data volume on IP level per elapsed time unit on the Uu interface.
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Appendix B Call Flow
E-UTRAN IP Throughput
V _ tp _ DL IP_ Throughput Samples
T _ tp _ DL Samples
E-UTRAN IP Latency Downlink
LatQCI x DRB.IPLatDlQCI x
Availability This section provides statistics on the availability of an E-UTRAN cell.
Percentage of time that the cell is considered available.
The elapsed time from the cell down due to the fault until its recovery.
E-UTRAN Cell Availability
CellAvaila bility
measuremen t_period - RRU.CellUnavailableT ime.[cause ] cause
measurement _ period
100
Mobility This section provides statistics on the data that shows how E-UTRAN Mobility functionality is working.
Success rate of E-UTRAN mobility
Mobility Success RateQCIx
HO.ExeSucc HO.PrepSucc.QCI QCIx 100% HO.ExeAtt HO.PrepAtt.QCIQCIx
The handover is calculated for each case to produce the KPI.
Intra eNB Handover
X2 Handover Out
X2 Handover In
S1 Handover Out
S1 Handover In
Inter-RAT HPRD Handover
HO.PrepAtt.QCI is calculated by HO.PrepSucc.QCI+HO.PrepFail.QCI.
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Samsung LTE eNB Counter Description for PKG 5.0.0 Document Version 1.0 © 2015 Samsung Electronics Co., Ltd. All rights reserved.
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