LTE Radio Parameters RL60 Idle Mode Mobility-Nokia

LTE LT E Radi Radio o Pa Para Par ram r amet am meter eters s RL RL60 60

Idle Mode Mobility

RA4121AEN60GLA0

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Module Objective

Afterr co Afte comp mple leti tin n t! t!is is le lear arni nin n el elem emen ent" t" t! t!e e pa part rtic icip ipan antt s! s!ou ould ld #e a#le a#le to desc descri#e ri#e disc discuss uss and anal$ anal$%e& %e& ' (!e main meas measurement urements s and measu measurement rements s strate strateies ies in L(E ')ell Selec Selection tion criterio criterion nS 'Ran Rankin kin  cri criter terion ion R '*riori *riorit$ t$ la$er concep conceptt ' (!e main paramet parameters ers asso associated ciated wit! all t$pes of idl idle e mo#ilit$ mo#ilit$&& intra+ fre,uenc$ fre,ue nc$"" inte inter+fre, r+fre,uenc uenc$$'*ar *arame ameter ters s ass associ ociate ated d to idle idle mod mode e mo#ili mo#ilit$ t$ loa load d #al #alanc ancin in--

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Index ' Measu Measureme Measurem Meas urements rements ents nts in LTE ' )ell Selection ' )ell Reselection ' /dle mode mo#ilit$ mo#ilit$ load #alancin #alancin ' o#il o#ilit$ it$ Stat States es ' /n /ntr tra a L( L(E E o o#i #ilit lit$ $ • /nt /ntra ra re, re,uen uenc$ c$ o# o#ilit ilit$ $ • /nt /nter er re, re,uen uenc$ c$ o# o#ilit ilit$ $

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LTE Measurements Intra LTE measurements ( from LTE to LTE) + UE measurements • )/ measurements • Reference Sinal Recei3ed *ower RSR*5 • Reference Sinal Recei3ed ualit$ RSR5 + eNB measurements • Non standardized (endor s!e"i#")$   (A" A3erae RSS/" A3erae S/NR" detected *RA) pream#les" transport c!annel 7LER • %tandardized$ 8L RS (9 *ower" Recei3ed /nterference *ower" (!ermal Noise *ower

 

Measureme Measurements nts from LTE TE to ot&er systems + UE measurements  are ma inl$ intended for !ando3er• UTR' $ )*/) RS)*" )*/) Ec:No and carrier RSS/ • *%M$ GS carrier RSS/ • UTR' T$ carrier RSS/" RS)*" *+))*) • +M',000$ 19R(( *ilot Strent!" R*8 *ilot Strent!

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UE Measurements: RSRP & RSRQ R%RP (Referen"e %i-nal Re"eied Po.er) + 'era-e of   !o.er leels in 5 recei3ed across all Referen"e %i-nal s$m#ols wit!in t!e considered measurement fre,uenc$ #andwidt!+ ?E onl$ takes measurements from t!e cell+speci@c Reference Sinal elements of    t!e ser3in cell" t!is makes RSR* results load and /:di3ersit$ independent/f recei3er di3ersit$ is in use #$ t!e ?E" t!e reported 3alue s!all not #e lower t!an t!e correspondin RSR* of an$ of t!e indi3idual di3ersit$ #ranc!es

Re"eied %i-nal %tren-t& Indi"ator (R%%I) + RSS/ comprises t!e linear a3erae of t!e total recei3ed power in 5 o#ser3ed onl$ in 8 s$m#ols containin reference s$m#ols for antenna port 0" in t!e measurement #andwidt!" o3er N num#er of resource #locks #$ t!e ?E from all sources" includin co+c!annel ser3in and non+ser3in cells" adBacent c!annel interference" t!ermal noise etc-

R%R/ (Referen"e %i-nal Re"eied /uality) + 8e@ned as t!e ratio NCRSR*:E+?(RA carrier RSS/5" w!ere N  is t!e num#er of    R7s of t!e E+?(RA carrier RSS/ measurement #andwidt!- (!e measurements in t!e numerator and denominator s!all #e made o3er t!e same set of resource #locks

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UE Measurements: RSRP & RSRQ

R%RP R%R/ ba".ards "om!atibility - /f eN7 is Rel-D pro3ides parameters applica#le onl$ to Rel-D cell selection and cell

reselection mec!anism5 and ?E is Rel- compliant terminal" t!en ?E s!all use Rel-D mec!anism-   (!e same is for ?Es Rel-D w!ic! camp on eN7 w!ic! supports Rel- e9tended set of    parameters #roadcasted in a cell5-

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eN7 sele # r  oad       s rele c t    i  on  :  c a t     c e   3 r e me an t       p   sele ll Re l       ssa c    e   s arame t  i  on   12     t e     rs in   S     / 7   

UE Rel13 applies Rel12 applica#le cell eN7 #   selection:reselectio sele road     na c    srules c    rele t i    on  :  t     c e   3 r e me an t      p   sele ll Re l       ssa c   1  e   s arame t i    on   3     t e     rs in   S     / 7   

UE Rel12 applies Rel12 applica#le cell selection:reselectio n rules © Nokia Solutions and Networks 2014

Index ' easurements in L(E ' +ell %ele"tion ' )ell Reselection ' /dle mode mo#ilit$ load #alancin ' o#ilit$ States ' /ntra L(E o#ilit$ • /ntra re,uenc$ o#ilit$ • /nter re,uenc$ o#ilit$



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ell Selection Procedure 1) UE creates a candidate list of potential cells to camp on. To possi!le searc" procedures: • Initial ell Selection: Selection UE scans all #$ c"annels to find a suitable cell. cell %n eac" carrier& t"e UE searc"es for t"e stron"est cell and reads information. %nce t"e UE "as found t"e suita!le cell for t"e selected P'(& t"e UE creates a candidate candidate list list consisting of t"is cell and its neig"!oring cells as received in measurement measurement control controlinformation. • Stored In!ormation ell Selection*optionall+) Selection T"is procedure re,uires information stored from previousl+ received measurement control information elements *cell parameters& carrier fre,uencies& etc.). fter t"e UE "as found asuitable cell for t"e selected P'(& candidate list is created same as t"e initial cell selection process. 2) Eac" cell on t"e candidate list is evaluated according to t"e selection criteria S ) fter selecting a suitable cell #S criterion !ul!illed$ for camp on& UE reports t"is event to / for    registration procedures. 0f t"e registration is successful& t"e UE enters into cam%ed cam%ed normall normall state.

Initial Selection - Carrier 1: strongestcell - Carrier 2: strongestcell - Carrieri ….. Stored In!ormation Selection - Previous information

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S ' riterion ell Selection R(

UE selects a eUT# cell if t"e S #selection$ criteria is fulfilled:

Srxlev . -

Srxlev 3 Qrxlevmeas  4 *Qrxlevmin Qrxlevmin5 6 7r8levminoffset55) - Pcompensation UE measurement *#/#P)

/091 Parameter

/091 Parameter    

Pcompensation 3 ma8 *PE(555 4 PU(& ;) *d9) /091 Parameter  

)rxlevmin

5 7r8levmin 3 'CE': qrxlevmin 55 7r8levminoffset 3 'CE': qRxLevMinOffset   *used onl+ "en camped in ;…->>d9m= 2d9m= *+,-

)RxLevMinO!!set   ffects minimum re,uired #/#P level 'CE'= 2..1? d9= 2d9= *

%MaxO/nell Used to calculate Pcompensation 'CE'= -;..d9m= 1d9m= *

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5PU(: UE class specific ma8. U' T8 poer= 2 d9m

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RL3-

S ' riterion ell Selection R0

UE selects a eUT# cell if t"e S #selection$ criteria is fulfilled: Srxlev . - and S)ual . /r8lev 3 7r8levmeas 4 *7r8levmin5 6 7r8levminoffset55) - Pcompensation S)ual 1 Q)ualmeas ' #Q)ualmin 2 Q)ualmino!!set$ Q)ualmino!!set$

Pcompensation 3 ma8 *PE(555 4 PU(& ;) *d9)

)QualMinR0 (inimum re,uired #/#7 level 'CE'= -->... -=

S)ual 3 Cell selection ,ualit+ value *d9) )QualMinO!!setR0   ffects minimum re,uired #/#P level Q)ualmeas3 (easured cell ,ualit+ value *RSRQ RSRQ) 'CE'= 1... @d9 Q)ualmin 3 (inimum re,uired ,ualit+ level in t"e cell *d9) Q)ualmino!!set Q)ualmino!!set 3 %ffset to Q)ualmin for a "ig"er priorit+ P'( "ile camped normall+ in a /r8lev 3 7r8levmeas 4 7r8levmin 0ntra fre, neig"!ors measure "en= Srxlev =1 Sintrasearc< Or substitutin" !or SrxlevB > Qrxlevmeas * Qrxlevmin ? Sintrasearch Or rearranging; > Qrxlevmeas ? Qrxlevmin 6 Sintrasearch

Exam%leB -?@

/r8lev

-1;;

7r8levmeasured 3 -1;; 7r8levmin 3 -1; /intrasearc" 3 ?2 7r8levmeas  Qrxlevmin 6 Sintrasearch

7r8levmeasured

!""   -1; 6?2 -1;;  - ?@3 true go measure neig"!or cells

?2

7r8levmin

-1;

-1>;d9m

1D

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RL3-

Measurements Tri""er Measurements Tr i""er   * Intra 7re)uenc R0

' Accordin FG** Rel- ?E starts monitorin of nei!#or intra+fre,uenc$ cells if&

sIntrasearc d9 *1)& -2 d9 *2)& ; d9 *)= *F

'CE'= ;.2J *;)& ;.J *1)& ;.DJ *2)& 1 *)= *

edium mo#ilit$& • ultipl$ /&yst #$ USpeed dependent Scalinactor for !$st for medium mo#ilit$ 5yst%fMed ) stateV (5yst%fMed) • ultipl$ tResele"tion #$ USpeed dependent Scalinactor for (reselectionRA( for "elResTiMM ) medium mo#ilit$ state for RA( cells- RA( K E?(RAN" ?(RAN" GERAN5-("elResTiMM) celResTi7MM

'CE'= ;.2J *;)& ;.J *1)& ;.DJ *2)& 1 *)= -3

F4

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Index ' easurements in L(E ' )ell Selection ' )ell Reselection ' /dle mode mo#ilit$ load #alancin ' o#ilit$ States ' Intra LTE Mobility • Intra re5uen"y Mobility • Inter re5uen"y Mobility

F.

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Idle Mode Mobilit LT LTE E Intra*7re)uenc #+CA$ +

7roadcast of   S/7 4 is optional  no need to #roadcast an$ intra+fre,uenc$ nei!#or cells •

'

?E is a#le to complete cell re+selection wit! S/7F information e?(RAN S/74 informs a#out L(E idle mode nei!#ors

•

*!$sical )ell /denti@er *)/5 of nei!#or cell can #e #roadcast

•

cell nei!#or5 indi3idual re+select oset can #e #roadcast

+

S/74 also informs a#out   blac'li(ted  cells 7)5 •

A ?E is not allowed to re+select a   blac'li(ted  cell

•

?p to 16 roups of cells *)/s5 can #e   blac'li(ted 

•

?E will not measure 7) cells in connected mode •

?E will ne3er #e instructed from eN7 to !ando3er to a #lacklisted cell

% *;)& n@ *1)& n12 *2)& n1? *)& n2> *>)& n2 *J)& n>@ *?)& n?> *D)& n@> *@)& nG? *G)& n12@ *1;)& n1?@ *11)& n2J2 *12)& nJ;> *1)& ot Used *1>) =**

; F;

range0ntraPci

0$0(= ;…J;= 1= *

start0ntraPci

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J;

Idle Mode Mobilit LT LTE E Inter*7re)uenc SI53 IRIM @bCe"t Parameters 'ir@m/d de@ned

D fre,uenc$ la$ers could #e

• interPresntP  ntenna port 1 used5 • interT#esEut 'dl)arr,Eut f2 re,uenc$ num#er • meas9d f2 9andidt" 'eut)elRes*rio relati3e cell prio for rankin • p(a80nter$ • ,%ff$r, $re,uenc+ specific offset • ,#8'ev(in0nter$ minimum coverage criteria 'intr7)List structure& 2 parameters per • t#esEut/$ *structure: 2 parameters) nei!#or5 eut#esTi$( • rane/nter*ci eut#esTi$(( • start/nter*ci e.g. 'intrN)List structure& 2 parameters per nei!#or5 • p!$s)ell/dNcl

interTResEut E-UT# Cell #eselection Timer    0#$0(= ; 4 Ds= 1= * +s meas5d/ (a8. alloed 9N for neig"!ors 0#$0(= ?& 1J& 2J& JG& DJ& 1;; m! B *

• ,)ell

+ interr,(!r + interr,(!rL

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%MaxInter7 Pma8 to !e used in neig"!. EUT# cells on t"is fre,uenc+ 0#$0(= -..= 1= *

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