Next Generation Mobile Network - The Evolution to 4G

August 31, 2017 | Author: Zak | Category: N/A
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Next Generation Mobile Network – The Evolution to 4G

LTE Call Flow

UE

eNode-B

MME

S-GW

HSS

Technology to quickly solve problems in today’s complex mobile network

PDN-GW

CCCH RRC Connection Request

DCCH RRC Connection Setup Complete (S1AP Initial UE Message) NAS Attach Request

Abis

Diameter Authentication Information Request (AIR) Diameter Authentication Information Answer (AIA)

GPRS Control and User Plane

Um

(S1AP DownLink NAS Transport) NAS Authentication Request (S1AP UpLink NAS Transport) NAS Authentication Response

SM/GMM

BTS

(S1AP DownLink NAS Transport) NAS Security Mode Command (S1AP UpLink NAS Transport) NAS Security Mode Complete

SMS LLC RLC MAC PCU

Diameter Update Location Request (ULR) Diameter Update Location Answer (ULA) GTPv2 Create Session Request GTPv2 Create Session Request GTPv2 Create Session Response

GSM CS User Plane

GSM Control Plane

Application SNDCP CS Data

RRLP RRCP

AMR, TFR, EFR, HFR

TRAU

SMS O&M

Iur-g Iu-BC Protocol Stack

GERAN

Broadcast User Plane Data

GTPv2 Create Session Response

SABP TCP IP AAL5 Ethernet ATM

Iu-Bc

(S1AP Initial Context Setup Request) NAS Attach Accept

CBC

CBE

S1AP Initial Context Setup Response

Iu-Bc

(S1AP UE Capability Information Indication) RRC UE Capability Information

RNSAP SCCP SCCP SCCP MTP3-B M3UA M3UA SSCF-NNI SCTP SCTP SSCOP IP IP AAL5 ATM Ethernet

Radio Network Control Plane

RNC Iur NodeB

GTPv2 Delete Session Response

Iur Protocol Stack Transport Network Control Plane

Radio Network Control Plane

GTPv2 Delete Session Response

NAS

S1AP UE Context Release Command

UTRAN

DCCH RRC Connection Release S1AP UE Context Release Complete

RRC RLC MAC FP UDP IP

AAL2

ALCAP STC Q.2150.1 MTP3-B SSCF-UNI SSCOP STC Q.2150.3 SCTP AAL5 IP ATM or Ethernet

Mobile Network Nodes BGCF................................... Breakout Gateway Control Function BM-SC................................. Broadcast Multicast Service Center BTS...................................... Base Transceiver Station CBC...................................... Cell Broadcast Center CBE...................................... Cell Broadcast Entity EIR ..................................... Equipment Identity Register eNB..................................... Evolved Node-B E-SMLC............................... Evolved Serving Mobile Location Center GGSN................................... Gateway GPRS Support Node GMLC.................................. Gateway Mobile Location Centre GMSC Server...................... Gateway Mobile Switching Center gsmSCF............................... GSM Service Control Function gsmSRF............................... GSM Specialized Resource Function HeNB................................... Home Evolved Node B HeNB-GW.......................... Home Evolved Node B Gateway HNB..................................... Home Node B HNB-GW............................. Home Node B Gateway HSS/HLR............................ Home Subscriber Server/Home Location Register IM-SSF................................ IP Multimedia-Service Switching Function IWU...................................... Inter Working Unit LCS ..................................... Location Service Client MBMS-GW......................... Multimedia Broadcast Multicast Service Gateway MGCF.................................. Media Gateway Control Function

AAL2

Iu-CS Protocol Stack CS Data User Plane

Ethernet

CS Voice User Plane

Application TAF RLP

STC Q.2150.1 STC Q.2150.1 RTP IuUP UDP SSCF-NNI SCTP SSCOP AAL2-SAR SSCS IP IP AAL5 AAL2 ATM or Ethernet

Nb Protocol Stack CS Data CS Voice User Plane User Plane

CS Data User Plane

CS Voice User Plane

Application TAF RLP

Application TAF RLP

AMR, GSM, PCM Voice Codec

Transport Network Control Plane

SAS

AMR, GSM, PCM Voice Codec

Nb UP

Nb UP

RTP/RTCP UDP IP Ethernet

AAL-2 SAR SSCS AAL-2

ATM

AMR IuUP

RTP UDP

AAL2-SAR SSCS AAL2

IP

PCM

Nb

Mc Protocol Stack Media Gateway Control - Control Plane

Control Plane

Iub

Iur

Uu

GTP-U UDP IP AAL5

NAS

NodeB

RLC MAC FP AAL2

Application TAF RLP

Applicaton ALCAP

NBAP

RRC

SSCF-UNI SSCOP UDP IP

SCTP IP

AAL5

PDCP

STC Q.2150.2 SSCF-UNI SSCOP STC Q.2150.3 SCTP AAL5 IP ATM or Ethernet

BMC

Lb

RLC MAC FP

Transport Network Control Plane BICC MTP3-B M3UA SSCF-NNI SCTP SSCOP/SSCOPMCE IP AAL5 ATM

Nc

OSA App Server BGCF

MTP-2

SMSC

SMS

CIRCUIT SWITCH CORE

SNDCP

OSA API C

Sig GW

EIR

CAP

Iu-PS

PCM

MAP Protocol Stack Core Network Control Plane

OSA-SCS

MAP TCAP SCCP SUA MTP3-B M3UA SCTP MTP-3 SSCF-NNI SCTP IP SSCOP MTP-2 AAL5 Ethernet ATM

D

UDP IP Ethernet

ISC Mi

Lc

gsmSCF

Application GTP-U UDP IP Ethernet

Home NB

Home NB

Application HNBAP

RTP/RTCP

Iu-UP

GTP-U

Le

S-CSCF

IP Ethernet

Iu-CS

SLP

Sv Protocol Stack Control Plane

eNB

NAS RRC

Application IP PDCP RLC MAC Radio PHY

Gp

Gn, Gp Protocol Stack PS User Plane

S3

MME

GTP-U UDP IP

S13

CBE

PACKET SWITCH CORE

Gn

S12

S4

S13, S6a, Gx, Rx, SLg Protocol Stack AAA Control Plane

S9

eNB

X2

SBc CBC

eNB

eNB

S1

M1

M1

MME Sm

S3

eNB

X2

SGmb

BM-SC

SGi-mb

S1-MME S1

Appication UDP/TCP IP Ethernet

MBMS-GW

M3-AP SCTP IP Ethernet

M3

SGi Protocol Stack User Plane

SGi

PDN-GW

M3 Protocol Stack M3 Control/User

S1

LTE-Uu

Gx

SBc

X2

X2

S5

S8

S10

S13 S1-U Protocol Stack S1 User Plane

S1-U

S5 S11

Application IP GTP-U UDP IP Ethernet

X2 Protocol Stack X2 User Plane X2 Control Plane Application IP GTP-U X2-AP UDP SCTP IP IP Ethernet

EVOLVED PACKET CORE

S3, S4, S5, S8, S10, S11, S12, S16, S12-U Protocol Stack User Plane Control Plane

S4

Application GTP-U UDP IP

GTPv2-C UDP IP Ethernet

S1-MME Protocol Stack S1 Control Plane NAS S1-AP SCTP IP Ethernet

J7880A Signaling Analyzer Real-Time for LTE

S-GW

Router

Assurance for Mobile Voice and Data

3GPP LTE Standards References (R8 and Beyond) 3GPP TS

Title

Interfaces

23.060

General Packet Radio Service (GPRS); Service description; Stage 2

Network Overview and Architecture

23.401

General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access

Network Overview and Architecture

23.402

Architecture enhancements for non-3GPP accesses

Network Overview and Architecture

24.301

Non-Access-Stratum (NAS) Protocol for Evolved Packet System (EPS); Stage 3

S1-MME, S101

24.312

Access Network Discovery and Selection Function (ANDSF) Management Object (MO)

S14

29.061

Interworking between PLMN supporting packet based services and PDN

SGi

29.118

Mobility Management Entity (MME) - Visitor Location Register (VLR) SGs Interface Specs.

SGs

29.168

Cell Broadcast Centre Interfaces with the Evolved Packet Core; Stage 3

SBc

29.212

Policy and Charging Control over Gx Reference Point

Gx, Gxa, Gxc

29.214

Policy and Charging Control (PCC) over Rx Reference Point

Rx

29.215

Policy and Charging Control (PCC) over S9 Reference Point

S9

29.272

MME Related Interfaces Based on Diameter Protocol

S6a, S6d, S13, S13’

29.273

EPS; 3GPP AAA Interfaces

SWa/d/m/x, STa, S6b, H2, Pi*

29.274

Evolved General Packet Radio Service (GPRS); Tunneling Protocol for Control plane (GTPv2-C)

S3-C, S4-C, S5/8-C, S10, S11, S16

29.275

Proxy Mobile IPv6 (PMIPv6) based Mobility and Tunneling Protocols; Stage 3

S2a-C, S2b-C, S5/8-C (PMIP)

29.279

Mobile IPv4 (MIPv4) based Mobility Protocols; Stage 3

S2a-C

29.280

3GPP EPS Sv Interface (MME to MSC) for SRVCC

Sv

29.281

GPRS Tunneling Protocol User Plane (GTPv1-U)

S1-U, X2-U, S4-U, S5/8-U, S12-U

36.321

E-UTRA; Medium Access Control (MAC) Protocol Specification

LTE-Uu

36.322

E-UTRA; Radio Link Control (RLC) Protocol Specification

LTE-Uu

36.323

E-UTRA; Packet Data Convergence Protocol (PDCP) Specification

LTE-Uu

36.331

E-UTRA; Radio Resource Control (RRC) Protocol Specification

LTE-Uu, S1-MME, X2, S3

36.413

E-UTRAN: S1 Application Protocol (S1AP)

S1-C

36.423

E-UTRAN: X2 Application Protocol (X2AP)

X2-C

All specifications can be downloaded from www.3gpp.org

LTE-Uu

Home eNB-GW Home eNB

Home eNB

S1-MME S1-U

S1 Home eNB

E6474 Drive Test Solution

optional

Product specifications and descriptions in this document subject to change without notice.

J6804A DNA-HD

©2010 JDS Uniphase Corporation

30168045 500  0610 LTE4G.PO.NSD.TM.AE June 2010

PDN (Internet)

Operator Applications and Services

PCRF

DIAMETER SCTP TCP IP Ethernet

DIAMETER DNS RADIUS DHCP E-Mail Apps Content

Rx

Application UDP/TCP IP Ethernet

Gx

GTPv1-C UDP IP Ethernet

S6a

S6a

S11

S-GW

Gi

PS Control Plane

Sm

X2

Gi

Gi Protocol Stack PS User Plane

Application

SLg

S1

Gm (termination at handset)

GGSN Go

Gn

S1-MME

Mb

Gc

Sn

S1-U

Mw P-CSCF

SGSN

Iu-PS

M3

LTE Uu Protocol Stack Radio Network Radio Network Control Plane User Plane

Mp

Mw

Lg

Sv

SRVCC GTP-C UDP IP Ethernet

SLs

LTE-Uu

MRFC

Dx

MMSC

Gf

X2

Mr

Home Network IMS

Mp

E-SMLC

X2

SCTP

SLF

Gb

SGs

S1

SCTP

MRFP

LTE eUTRAN

S1

SIP (SDP/SIMPLE/MIME) TCP IP Ethernet

IP Ethernet

Gr/S6d

S13’

eNB

DIAMETER

UDP

Mg

CAP

Gs

Home NB-GW

TCP

SUA SCCP MTP3-B M3UA MTP-3 SCTP SSCF-NNI SCTP SSCOP IP MTP-2 AAL5 Ethernet ATM

Sv

Home NB

Cx, Dx, Sh, Dh, Gq Protocol Stack AAA Control Plane

CAP TCAP

LCS Client

Gm, Mw, Mi, Mj, Mg, Mk, Mr Protocol Stack Control Plane

CAMEL Protocol Stack Core Network Control Plane

UDP

Iuh

Mn

SIP Server

Sh

HSS

Cx

M1 Protocol Stack M1 User Plane

NAS RANAP RUA SCTP

MGCF

gsmSRF

GMLC

User Plane

MGW Mj

Lh

Control Plane

Mb

ISC

SMLC

Iuh Protocol Stack

BGCF SS7

ISC

Lg

UDP IP

Mk

MTP-3

VLR

F

RNC

AAL2

Other IMS/VoIP Network

Transmission Plane

Frame Relay

AMR

IMS

GMSC Server

Nc Protocol Stack

LLC BSSGP NS

Iub Protocol Stack Transport Network Broadcast CS Data CS Voice PS User Plane Control Plane User Plane User Plane Control Plane

Radio Network Control Plane

IM-SSF

Mc

Application

Iu-CS

CAP Si

Application

Iu-CS SM/GMM

PSTN/PLMN

SS7

MEGACO H.248 with TS29.232 MTP3-B M3UA (Optional) M3UA (Optional) SSCF-NNI SCTP SCTP SSCOP IP IP AAL5 - I.363.5 Ethernet ATM

MGW

Iupc

IWU

MGW

Mc

Gb Protocol Stack

Uu

AAL2 ������������������������������������ATM Adaptation Layer 2................................................................................................................. ITU-T I.363.2 AAL2-SAR SSCS ����������������Segmentation and Reassembly Service Specific Convergence Sublayer for AAL type 2.................................................................................................................. ITU-T I.366.1 AAL5 ������������������������������������ATM Adaptation Layer 5................................................................................................................. ITU-T I.363.5 ALCAP ���������������������������������Access Link Control Application Part........................................................................................... ITU-T Q.2630.1 (CS1) / Q.2630.2 (CS2) AMR ������������������������������������Adaptive Multi-Rate Codec ........................................................................................................... 3GPP TS 26.101 / TS 26.102 ATM �������������������������������������Asynchronous Transfer Mode........................................................................................................ ITU-T I.361 BICC �������������������������������������Bearer Independent Call Control................................................................................................... ITU-T Q.1901/Q.1902.x BMC ������������������������������������Broadcast/Multicast Control 3GPP TS 25.324........................................................................... 3GPP TS 25.324 BSSAP-LE ���������������������������Base Station System Application Part - Location Services Extension .................................. 3GPP TS 09.31 / TS 49.031 BSSGP ���������������������������������Base Station System GPRS Protocol............................................................................................ 3GPP TS 08.18 / TS 48.018 BSSLAP ������������������������������Base Station Subsystem Location Service Assistance Protocol . .......................................... 3GPP TS 08.71 / TS 48.071 BSSMAP �����������������������������Base Station System Management Application Part ............................................................... 3GPP TS 08.08 / TS 48.008 CAP ��������������������������������������CAMEL Application Part ................................................................................................................ 3GPP TS 22.078 / TS 23.078 / TS 29.078 Diameter �����������������������������Authentication, Authorization and Accounting (AAA) Protocol.............................................. IETF RFC 3588 / RFC 3589 DTAP �����������������������������������Direct Transfer Application Part ................................................................................................... 3GPP TS 04.08 DTAP-LE ������������������������������Direct Transfer Application Part - Location Services Extension.............................................. 3GPP TS 09.31 / TS 49.031 FP �����������������������������������������Frame Protocol ................................................................................................................................ 3GPP TS 25.425 / TS 25.427 / TS 25.435 GTPv2-C ������������������������������GPRS Tunneling Protocol Version 2 Control................................................................................ 3GPP TS 29.274 GTPv1-C ������������������������������GPRS Tunnelling Protocol - Control Plane .................................................................................. 3GPP TS 29.060 GTPv1-U ������������������������������GPRS Tunnelling Protocol - User Plane . ..................................................................................... 3GPP TS 29.281 IPv4 ��������������������������������������Internet Protocol Version 4 ........................................................................................................... IETF RFC 791 IPv6 ��������������������������������������Internet Protocol Version 6 ........................................................................................................... IETF RFC 2460 IuUP �������������������������������������Iu User Plane Protocol ................................................................................................................... 3GPP TS 25.415 LLC ���������������������������������������Logical Link Control ........................................................................................................................ 3GPP TS 04.64 / TS 44.064 LLP ���������������������������������������Logical Link Protocol ...................................................................................................................... ETSI GSM 04.71 LPPa ������������������������������������LTE Positioning Protocol A............................................................................................................. 3GPP TS 36.455 M2AP ����������������������������������M2 Application Protocol................................................................................................................. 3GPP TS 36.443 M3AP ����������������������������������M3 Application Protocol................................................................................................................. 3GPP TS 36.444 M3UA ����������������������������������MTP3 User Adaption Layer ........................................................................................................... IETF RFC 3332 MAC ������������������������������������Medium Access Control ................................................................................................................ 3GPP TS 25.321 / TS 36.321 MAP ������������������������������������Mobile Application Part ................................................................................................................. 3GPP TS 09.02 / TS 29.002 MEGACO �����������������������������Media Gateway Control Protocol.................................................................................................. ITU-T H.248 with 3GPP TS 29.232 MIME ����������������������������������Multipurpose Internet Mail Extensions....................................................................................... IETF RFC 1341 / RFC 2045 / RFC 2046 / RFC 2047 / RFC 2048 / RFC 2049 MTP-2 ����������������������������������Message Transfer Part Level 2...................................................................................................... ITU-T Q.703 MTP-3 ����������������������������������Message Transfer Part Level 3 ..................................................................................................... ITU-T Q.704 MTP3-b �������������������������������Message Transfer Part Level 3 (broadband) for ATM ............................................................... ITU-T Q.2110 NAS �������������������������������������Non Access Stratum (a collection of the following protocols) CC ��������������������������������Call Control........................................................................................................................................ 3GPP TS 24.008 GMM ��������������������������GPRS Mobility Management.......................................................................................................... 3GPP TS 24.008 MM �����������������������������Mobility Management..................................................................................................................... 3GPP TS 24.008 RR ��������������������������������Radio Resource................................................................................................................................ 3GPP TS 04.18 / TS 44.018 SM �������������������������������Session Management..................................................................................................................... 3GPP TS 24.008 SMS ����������������������������Short Message Service................................................................................................................... 3GPP TS 24.011 SS ��������������������������������Supplementary Service................................................................................................................... 3GPP TS 24.080 Nb UP ����������������������������������Nb User Plane Protocol ................................................................................................................. 3GPP TS 29.415 NBAP ����������������������������������Node B Application Part ................................................................................................................ 3GPP TS 25.433 NS ����������������������������������������Network Service . ............................................................................................................................ 3GPP TS 08.16 / TS 48.016 O&M ������������������������������������Operation and Maintenance.......................................................................................................... 3GPP TS 08.59 and Vendor Proprietary PDCP �����������������������������������Packet Data Convergence Protocol ............................................................................................ 3GPP TS 25.323 / TS 36.323 RANAP ��������������������������������Radio Access Network Application Part . ................................................................................... 3GPP TS 25.413 RLC ��������������������������������������Radio Link Control . ......................................................................................................................... 3GPP TS 25.322 / TS 36.322 RLP ��������������������������������������Radio Link Protocol . ....................................................................................................................... 3GPP TS 24.022 RNSAP ��������������������������������Radio Network Subsystem Application Part .............................................................................. 3GPP TS 25.423 RRC ��������������������������������������Radio Resource Control ................................................................................................................. 3GPP TS 25.331 / TS 36.331 RRCP �����������������������������������Radio Resource Control Protocol ................................................................................................. 3GPP TS 04.18 / TS 44.018 RRLP ������������������������������������Radio Resource LCS Protocol ....................................................................................................... 3GPP TS 04.31 / TS 44.031 RSL ��������������������������������������Radio Signaling Layer...................................................................................................................... 3GPP TS 08.58 / TS 48.058 RTCP ������������������������������������RTP Control Protocol....................................................................................................................... IETF RFC 3605 / RFC 3611 RTP ��������������������������������������Real Time Protocol . ........................................................................................................................ IETF RFC 1889 S1AP ������������������������������������S1 Application Protocol.................................................................................................................. 3GPP TS 36.413 SABP �����������������������������������Service Area Broadcast Protocol ................................................................................................. 3GPP TS 25.419 SCCP ������������������������������������Signaling Connection Control Part................................................................................................ ITU-T Q.711-Q.714 SCTP ������������������������������������Stream Control Transmission Protocol ....................................................................................... IETF RFC 2960 SDP ��������������������������������������Session Description Protocol......................................................................................................... IETF RFC 2327 / RFC 3266 / RFC 3605 SIMPLE �������������������������������SIP for Instant Messaging and Presence Leveraging Extensions........................................... IETF RFC 2778 / RFC 2779 / RFC 3265 SIP ���������������������������������������Session Initiation Protocol............................................................................................................. IETF RFC 2543 / RFC 3261 SMLCPP ������������������������������Serving Mobile Location Center Peer to Peer Protocol . .......................................................... 3GPP TS 08.31 / TS 48.031 SNDCP ��������������������������������Sub Network Dependent Convergence Protocol........................................................................ 3GPP TS 04.65 / TS 44.065 SSCF-NNI ���������������������������Service Specific Co-ordination Function-Network Node Interface......................................... ITU-T Q.2140 SSCF-UNI ����������������������������Service Specific Co-ordination Function-User Network Interface . ........................................ ITU-T Q.2130 SSCOP ���������������������������������Service Specific Connection Oriented Protocol ......................................................................... ITU-T Q.2110 STC ��������������������������������������Signaling Transport Converter....................................................................................................... ITU-T Q.2150.x SUA ��������������������������������������SCCP User Adaptation.................................................................................................................... IETF RFC 3868 SUPS �����������������������������������Supplementary Services ................................................................................................................ 3GPP TS 24.080 TAF ���������������������������������������Terminal Adaptation Function . ..................................................................................................... 3GPP TS 27.001 / TS 27.002 TCAP �����������������������������������Transaction Capabilities Application Part . ................................................................................. ITU-T Q.771-Q.775 TCP ��������������������������������������Transmission Control Protocol ..................................................................................................... IETF RFC 793 UDP ��������������������������������������User Datagram Protocol.................................................................................................................. IETF RFC 768 X2AP ������������������������������������X2 Application Protocol.................................................................................................................. 3GPP TS 36.423

PDCP

SCTP

ALCAP STC MTP-3b SSCF-NNI SSCOP AAL-5

MSC Server

MGW................................... Media Gateway MME.................................... Mobility Management Entity MMSC................................. Multimedia Message System Center MRFC................................... Multimedia Resource Function Controller MRFP................................... Multimedia Resource Function Processor MSC Server........................ Mobile Switching Center Server Node-B................................ UMTS Base Station OSA Application Server.... Open Services Architecture Application Server OSA-SCS............................. Open Services Architecture-Service Capability Server P-CSCF................................ Proxy-Call Session Control Function PCRF.................................... Policy Control and Charging Rules Function PDN-GW............................. Packet Data Network Gateway RNC..................................... Radio Network Controller SAS...................................... Stand-alone A-GPS SML S-CSCF................................ Serving-Call Session Control Function SGSN................................... Serving GPRS Support Node Sig GW................................ Signalling Gateway SGW.................................... Serving Gateway SIP ...................................... Server Session Initiation Protocol Server SLF . .................................... Subscription Locator Function SMLC................................... Serving Mobile Location Center SMSC.................................. Short Message Service Center SLP ..................................... SUPL Location Platform VLR...................................... Visitor Location Register

Mobile Network Protocols

Application TAF AMR RLP RLC MAC FP UDP IP

Applicaton RNSAP SCCP MTP3-B SSCF-UNI SCCP M3UA SSCOP SCTP AAL5 IP

NAS RANAP SCCP MTP3-B M3UA SSCF-NNI SCTP SSCOP IP AAL5 ATM

CS Data User Plane

PS User Plane

SUA M3UA SCTP IP

Iu-PS Protocol Stack Radio Network PS User Plane Control Plane

Iu-PS

SMLC

GTPv2 Delete Session Request GTPv2 Delete Session Request

DTAP

Lg

Iub Uu

SUPS

SMLC

ALCAP

Iu-CS

GTPv2 Modify Bearer Response

(S1AP Uplink NAS Transport) NAS Detach Request

Network Control Plane

NAS RANAP SCCP MTP3-B M3UA SCCF-NNI SCTP SSCOP IP AAL5

GTPv2 Modify Bearer Request

User Plane - Uplink/Downlink EPS Bearer in GTP

MTP-2

RRLP BSSLAP BSSMAP SCCP MTP-3b SSCF SSCOP AAL5 ATM

Iur-g Protocol Stack Radio Network Control Plane

(S1AP Uplink NAS Transport) NAS Attach Complete

User Plane - Uplink/Downlink RB

SMS

MTP-3

RRLP BSSLAP LLP SMLCPP BSSAP-LE (BSS -LE and DTAP-LE) SCCP MTP3 MTP2

Gb

SUPS DTAP RSL LAPD

LLP DTAP-LE

Lb Protocol Stack CS Voice Transport Network CS Data Control Plane User Plane User Plane

Ib

Abis Protocol Stack

www.jdsu.com/nsd

A Protocol Stack GSM Control and User Plane

A

BSC

CCCH RRC Connection Setup

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