Layer 3 Message Analysis

Content Layer3 Message Analysis

AMR CS Call Call Phases Phases UE

BTS

DRNC

1. Cell search, BCCH decoding & RACH access 2. RRC Connecion Se!" #. UE $% CS%CN signalling '. RAB Se%!" (. UE $% CS%CN signalling ). Ser*ice Esa+lished . Branch addiion-deleion & aci*e se !"dae . Ser*ice Released

SRNC

CN

RRC Connecion Se%!" Signalling /lo0 UE

WBTS

RNC

RRC: RRC CONNECTION REQUEST (RACH) Admission Control NBAP: RADIO LINK SETUP REQUEST NBAP: RADIO LINK SETUP RESPONSE ALCAP: ERQ ALCAP: EC P Do&nlin' S"n# P Ulin' S"n# RRC: RRC CONNECTION SETUP (ACH) L! S"n# NBAP: S$NCH INDICATION RRC: CONNECTION SETUP CO%PLETE (DCH)

UE$ CSCN signalling 73ocaion U"dae 7 A!henicaion 7Sec!ri5 Mode Se!" 7Paging 7Call Se!"

! e s  4 e R a  e S e  ! " d e " d U o c a  io n ! r i 5 M c e S 1. 3 o n a n d o i  a c i  h e n   2. A ! A c c e " e  a n U " d o i  a c #. 3 o a g i n g '. P ! " l l S e  a C (.

U E

RNC WBTS

%W

MSC - 63R

PS Call Phase UE

BTS

DRNC

SRNC

1. Cell search, BCCH decoding & RACH access 2. RRC Connecion Se!" #. 8PRS Aach '. RAB Se%!" (. UE $% PS%CN signalling 9PDP cone: aci*aion Acce"; ). Radio Bearer Recon>ig!raion . PS Daa Session Esa+lished . Sae Transiions <. Branch addiion-deleion & aci*e se !"dae 1=. PS Daa Session Released

CN

8PRS Aach 7

UE "er>or?s cell search and RRC Connecion Esa+lish?en in he sa?e 0a5 as >or an AMR call

7

The UE regisers 0ih he PS%CN hro!gh he 8PRS Aach "roced!re UE

Nod* B

RNC

SSN

RRC Conn*#tion Initi+l Dir*#t Tr+ns,*r: PRS Att+#- R*./*st (DCH)

SCCP: Conn*#tion R*./*st Initi+l UE m*ss+0* : PRS Att+#- R*./*st SCCP: Conn*#tion Con1rm

Do&nlin' Dir*#t Tr+ns,*r: A/t-*nti#+tion +nd Ci-*rin0 R*./*st Dir*#t (DCH) Tr+ns,*r: A/t-*nti#+tion +nd Ci-*rin0 R*./*st Ulin' Dir*#t Tr+ns,*r: A/t-*ni#+tion +nd Ci-*rin0 R*sons* (DCH)

Dir*#t Tr+ns,*r: A/t-*nti#+tion +nd Ci-*rin0 R*sons*

S*#/rit" %od* Comm+nd (DCH)

S*#/rit" %od* Comm+nd

S*#/irt" %od* Coml*t* (DCH) Do&nlin' Dir*#t Tr+ns,*r: Commo n ID (DCH) Ulin' Dir*#t Tr+ns,*r: Id*ntit" R*sons* (DCH) Do&nlin' Dir*#t Tr+ns,*r: Lo#+tion Att+#- A##*t (DCH) Ulin' Dir*#t Tr+ns,*r: Att+#- Coml*t* (DCH)

Common ID Dir*#t Tr+ns,*r: Id*ntit" R*./*st Dir*#t Tr+ns,*r: Id*ntit" R*sons* Dir*#t Tr+ns,*r: Att+#- A##*t Dir*#t Tr+ns,*r: Att+#- Coml*t*

PDP Cone:

UE

Nod* B

SSN

RNC PRS Att+#-

Ulin' Dir*#t Tr+ns,*r : A#ti2+t* PDP #ont*3t r*./*st (DCH)

Dir*#t Tr+ns,*r : A#ti2+t* PDP #ont*3t r*./*st RANAP: RAB Assi0nm*nt R*./*st RRC: R+dio B*+r*r S*t/

R+dio B*+r*r S*t/ Coml*t* RAB Assi0nm*nt R*sons* %*+s/r*m*nt Control %*+s/r*m*nt Control Do&nlin' Dir*#t Tr+ns,*r : A#ti2+t* PDP Cont*3t A##*t (DCH) Dir*#t Tr+ns,*r: A#ti2+t* PDP Cont*3t A##*t C+ll Est+4lis-*d

Radio Bearer Se!"-Co?"lee & RAB Assign?en Res"onse 7

@nce he RANAP: RAB Assignment Request ?essage has +een recei*ed >ro? PS CN and RNC has reso!rces o se!" he =-= +"s RB he RNC sends a RRC: Radio Bearer Setup ?essage o he UE

7

The UE acno0ledges he RRC: Radio Bearer Setup ?essage 0ih a RRC: Radio Bearer Setup Complete ?essage

7

@nce he radio +earer esa+lish?en has +een acno0ledged, he RNC indicaes o he PS core ha he RAB has +een esa+lished !sing he RANAP: RAB Assignment Response ?essage

UE

Nod* B

SSN

RNC PRS Att+#-


Dir*#t Tr+ns,*r : A#ti2+t* PDP #ont*3t r*./*st RANAP: RAB Assi0nm*nt R*./*st RRC: R+dio B*+r*r S*t/

R+dio B*+r*r S*t/ Coml*t* RAB Assi0nm*nt R*sons*

Radio Bearer Recon>ig!raion UE

Nod* B

SSN

RNC PRS Att+#-


Dir*#t Tr+ns,*r : A#ti2+t* PDP #ont*3t r*. /*st RANAP: RAB Assi0nm*nt R*./*st RRC: R+dio B*+r*r S*t/

R+dio B*+r*r S*t/ Coml*t* RAB Assi0nm*nt R*sons* %*+s/r*m*nt Control %*+s/r*m*nt Control Do&nlin' Dir*#t Tr+ns,*r : A#ti2+t* PDP Cont*3t A##*t (DCH) Dir*#t Tr+ns,*r: A#ti2+t* PDP Cont*3t A##*t C+ll Est+4lis-*d %*+s/r*m*nt R*ort : *6+ NBAP: R+dio Lin' R*#on10/r* Pr*+r*

Admission Control R+dio Lin' R*#on10/r* R*+d" AAL5SI:ERQ AAL5SI:EC P: Do&nlin' S"n# P: Ulin' S"n# R+dio Lin' R*#on10/r+tion Commit RRC: R+dio B*+r*r R*#on10/r+tion (DCH) RRC: R+dio B*+r*r R*#on10/r+tion Coml*t* (DCH) %*+s/r*m*nt Control

HSPA Se!" 7

HSUPA canno +e esa+lished 0iho! HSDPA, HSDPA U3 re!rn channel is HSUPA insead o> R<< 7 High le*el "roced!re is he sa?e as ha >or an NRT DCH 7 RNC sars +5 allocaion a =-=+"s connecion 7 Selecion +e0een DCH and E%DCH is hen co?"leed 0hen RNC recei*es he !"lin or do0nlin ca"aci5 re4!es

UE

Nod* B

RNC

SSN

RRC Est+4lis-m*nt PRS Att+#PDP Cont*3t A#ti2+tion %*+s/r*m*nt R*ort : *6+ Ulin' #++#it" r*./*st

7

787 '4s DCH +llo#+t*d

RNC #oml*t*s #-+nn*l t"* s*l*#tion ro#*d/r*

HSUPA connecion can +e esa+lished 7 RRC dle ?ode direcl5 >ro? CE33PCH 9Cell U"dae 0ih reason U"lin Ca"aci5 Re4!es;

RRC Ser*ices 7 Broadcas ser*ices 7 Paging and Noi>icaion ser*ices 7 Dedicaed Conrol ser*ices 7 Enca"s!laion o> NAS signaling 9CC, SM, MM, 8MM, SMS;

RRC Saes

RRC Proced!re

S5se? n>or?aion 7 ihin UTRAN s5se? in>or?aion is +roadcased 0ih he hel" o> he RRC ?essages 7S5se? n>or?aion, 7Paging T5"e , and 7S5se? n>or?aion Change ndicaion. 7 Mos s5se? in>or?aion "ara?eers are deer?ined +5 he RNC. The Node B is in>or?ed a+o! he "ara?eers *ia he NBAP ?essage BCCH n>or?aion. So?e s5se? "ara?eers can +e ?ade a*aila+le +5 he Node B, s!ch as iner>erence *al!es, 0hich change >as. 7 8i*en he s5se? in>or?aion, he UE is ca"a+le o decide, 0heher or ho0 o access he P3MN *ia he e:ising cell. 7 S5se? in>or?aion is organised in S5se? n>or?aion Blocs 9SBs;. 7S5se? in>or?aion is gro!"ed ino SB 1 o SB 1. 7Each SB is res"onsi+le o carr5 a s"eci>ic conen. /or insance, SB 12 holds ?eas!re?en conrol in>or?aion and "ara?eers. 7De"ending on he UEs RRC sae, is reads s"eci>ic SBs, and !ses he rans?ied "ara?eers. 7 There is a h!ge a?o!n o> SBs, 0hich ha*e o +e read +5 he UE. This re4!ires a lo o> +aer5 "o0er. There>ore, a Maser n>or?aion Bloc 9MB; 0as inrod!ced, 0hich gi*es re>erences and sched!ling in>or?aion a+o! he SBs. The MB is rans?ied in e*er5  h radio >ra?e on he P%CCPCH 9on "osiion S/N ?od   =, and 0ih a TT o> 2= ?s;. /or ?os o> he SBs !sed 0ihin he s5se?, he MB ?a5 carr5 a *al!e ag. The onl5 e:ce"ions are SB 1(.2, SB 1(.# and SB 1). > a *al!e ag is !nchanged, he corres"onding s5se? in>or?aion has no +een ?odi>ied. Th!s, here is no need >or he UE o read he SB. SB  has no *al!e ag.  changes 0ih each occ!rrence. Sched!ling in>or?aion is !sed o in>or? he UE, 0here and 0hen a s"eci>ic s5se? in>or?aion is rans?ied.

S5se? n>or?aion UTRAN

System Informaton ! "

NBA#$ BCCH Informaton

RNC

UE Node B

TS 25'(%%$ NBA# &'2'16 System Informaton U)date

MIB *al!e ag M MBF Maser n>or?aion Bloc SBF S5se? n>or?aion Bloc S/NF S5se? /ra?e N!?+er

SIB 1 *al!e ag 1

"osiion on P%CCPCHF S/N ?od G  = TTF 2= ?s *al!e ag MF range 1..

SB *al!e ag N

SIB 2 *al!e ag 2

SIB % *al!e ag #

SIB 1& *al!e ag 1

S5se? n>or?aion Blocs 7 /or each SB, >ollo0ing characerisics 0ere s"eci>iedF 7 Area sco"eF Where is the value tag valid: ithin one !ell or ithin a PLMN" equivalent PLMN# 7UE RRC saeF When the S$B is valid# 7UE RRC saeF When the S$B is read# 7Sched!ling in>or?aionF A 0hich "osiion is he SB rans?ied and 0ha is is re"eiion "eriod 7Modi>icaion o> s5se? in>or?aionF s i indicaed +5 a *al!e ag, or is i i?er +ased 7 The UE recei*es all SBs *ia he BCCH. There is onl5 one e:ce"ionF SB 1=. > a UE is ca"a+le o recei*e si?!laneo!sl5 on one S%CCPCH and on one DPCH, hen i recei*es SB 1= on a /ACH. 7 Master Informaton B*o+, !MIB"$ 7The MB in>or?s he UE a+o! he s!""ored P3MN 5"es and he P3MN ideni5. 7The UE >inds in he MB also re>erences o !" o ?a:SB 9#2; SBs, incl!ding heir sched!ling in>or?aion and 5"e. 7 A MB is *alid in one cell. > a UE changes he cell, is ?!s read he ne0 cells MB. 7The MB is read in he RRC ?odes-saes RRC idle, CE33/ACH, CE33PCH and URA PCH. 7s "ara?eer are *alid in he sa?e saes. 7 A change o> he MB in>or?aion is indicaed +5 a *al!e ag. 7 n his co!rse doc!?enaion, 0e onl5 descri+e he S5se? n>or?aion Blocs 9SBs;, 0hich are !sed in NSNs RAN, and SB ' and SB1).

S5se? n>or?aion Blocs 7 System Informaton B*o+, 1 !SIB 1" 7This SB is !sed o in>or? he UE a+o! NAS s5se? in>or?aion. 7The NAS s5se? in>or?aion characerises he NAS do?ains. 7SB 1 also deli*ers UE i?ers and co!ners , 0hich ha*e o +e !sed +5 he UE in he RRC idle and RRC conneced ?ode. 7/or insance, a UE in he RRC conneced ?ode !ses he i?er T#=( >or "eriodic cell and URA !"daes. 7SB 1 is *alid in one P3MN. 7 The MB is read in he RRC ?odes-saes RRC idle, CE33/ACH, CE33PCH and URA PCH. s "ara?eer are *alid in he sa?e saes, and he he RRC s!+%sae CE33DCH. 7> he UE selecs a ne0 cell, and he SB 1 *al!e ag has he sa?e n!?+er as in he "receding cell, he sa?e conen is rans?ied in his SB. There is hen no necessi5 >or he UE o read his SB a>er cell re%selecion. 7 System Informaton B*o+, 2 !SIB 2" 7This SB conains an URA ideni5 lis. 7SB 2 is read and *alid in he RRC s!+%sae URAPCH. A change o> he SB 2 in>or?aion is indicaed +5 a *al!e ag. 7 System Informaton B*o+, % !SIB %" 7This SB conains rele*an "ara?eers >or cell selecion and re%selecion . 7 also holds he cell ideni5 and cell resricion daa, s!ch as Icell +arredJ Es. 7SB # ?!s +e read and is *alid in he RRC idle ?ode.  is read and *alid in he RRC conneced ?ode s!+% saes CE33/ACH, CE33PCH and URAPCH, i> SB ' is no +roadcased. 7 A change o> he SB # in>or?aion is indicaed +5 a *al!e ag.

S5se? n>or?aion Blocs 7 System Informaton B*o+, ( !SIB (" 7This SB holds ?osl5 he sa?e daa >ields as SB # G, +! i is read and *alid onl5, 0hen he UE is in he RRC conneced ?ode. .e, his o"ional SB is read and *alid in he CE33/ACH, CE33PACH and URAPCH s!+% sae. 7 A change o> he SB ' in>or?aion is indicaed +5 a *al!e ag. 7 System Informaton B*o+, 5 !SIB 5" 7The "ara?eers >or he con>ig!raion o> "h5sical channels are +roadcased in his SB. 7The "ara?eers co*er he PCH "o0er o>>se, he ACH "o0er o>>se, P%CCPCH, S%CCPCH and PRACH s5se? in>or?aion liss. 7SB ( ?!s +e read and is *alid in he RRC idle ?ode. 7 is read and *alid in he RRC conneced ?ode s!+%saes CE33/ACH, CE33PCH and URAPCH, i> SB ) is no a*aila+le. 7 A change o> he SB ( in>or?aion is indicaed +5 a *al!e ag. 7 System Informaton B*o+,  !SIB " 7This SB holds >as changing "ara?eers . There>ore no *al!e ag is !sed >or i. 7The UE has o read is "ara?eers "eriodicall5 . 7/or ha, an e:"iraion i?er 9 E:"iraion Ti?e /acor ; is +roadcased 0ih his ?essage. 7SB  e:"ires a ?a:9#2,  G E:"iraion Ti?e /acor;. 7E:"iraion Ti?e /acor can ha*e he *al!es 2i?es, ' i?es,  i?es ... 2() i?es . s de>a!l *al!e is 1. 7The >as changing "ara?eers rans?ied 0ih SB  incl!de he U3 iner>erence and d5na?ic "ersisence le*el. 7 is read and *alid in all saes e:ce" >or he CE33DCH s!+%sae .

S5se? n>or?aion SIB

.road+asted nformaton

read

a*d

s+o)e/ modf+aton

MIB

7 P3MN 5"es & ideniies K 7 SB Sched!ling in>or?aion 7 SB re>erences

RRC idle ?ode, CE33/ACH, CE33PCH, URAPCH


cell*al!e ag

SIB 1

7 NAS in>or?aion 7 UE i?ers & co!ners


RRC idle ?ode, CE33DCH, CE33/ACH, CE33PCH, URAPCH

P3MN*al!e ag

URAPCH

URAPCH

cell*al!e ag

e.g. T#=(F Periodic Cell-URA U"dae T#=1, #=2, #=', #=%#1

SIB 2

SIB %

7 URA ideni5 lis

7 Cell selecion and re%selecion "ara?eersL e.g. CPCH Ec-N= or CPCH RSCP Sinrasearch, Sinersearch, Ssearch,RAT, O4!al?in, Or:le*?in,..

SIB (

SIB 5

7 Cell selecion & re% selecion "ara?eers >or UEs in he conneced ?ode 7 Para?eers >or co??on "h5sical channel con>ig!raion

RRC idle ?ode, RRC idle ?ode, 9CE33/ACH, CE33PCH, 9CE33/ACH, CE33PCH, URAPCH; URAPCH;

cell*al!e ag

CE33/ACH, CE33PCH, URAPCH


cell*al!e ag

RRC idle ?ode, 9CE33/ACH, CE33PCH, URAPCH;

RRC idle ?ode, 9CE33/ACH, CE33PCH, URAPCH;

cell*al!e ag

K 8SM%MAP-ANS'1 MCCMNC

L  Cell Access Resricions

S5se? n>or?aion Blocs 7 System Informaton B*o+, 11 !SIB 11" 7This SB holds ?eas!re?en conrol in>or?aion. 7The UE ges here he rele*an dae >or ra>>ic ?eas!re?en, inra%>re4!enc5 ?eas!re?ens, ec. 7SB 11 ?!s +e read and is *alid in he RRC idle ?ode.  is read and *alid in he RRC conneced ?ode s!+% saes CE33/ACH, CE33PCH and URAPCH, i> SB 12 is no +roadcased. 7 is also *alid in he RRC s!+%sae CE33DCH, as long as he UE did no ge a Meas!re?en Conrol ?essage >ro? UTRAN and SB 12 is no +roadcased. 7 A change o> he SB 11 in>or?aion is indicaed +5 a *al!e ag. 7 System Informaton B*o+, 12 !SIB 12" 7SB 12 rans?is ?eas!re?en conrol in>or?aion >or UEs in he RRC conneced ?ode. 7> no rans?ied, he UEs ae he "ara?eers +roadcased 0ih SB 11. 7> a*aila+le, SB 12 is read and *alid in he RRC conneced ?ode s!+%saes CE33/ACH, CE33PCH and URAPCH. 7 is also *alid in he RRC s!+%sae CE33DCH, as long as he UE did no ge a Meas!re?en Conrol ?essage >ro? UTRAN. A change o> he SB 12 in>or?aion is indicaed +5 a *al!e ag. 7 System Informaton B*o+, 16 !SIB 16" 7RB, TrCH, and Ph5CH "ara?eers are +roadcased, 0hich are sored +5 he UE +oh in he RRC idle and RRC conneced ?ode. 7The "ara?eers are !sed d!ring a hando*er o UTRAN. Conse4!enl5, hese "ara?eers sa5 *alid, 0hen he UE is conneced o 8SM and 8PRS. 7This SB is *alid in all RRC saes, and read in all RRC saes e:ce" >or he CE33DCH. The UE reads and sores he "ara?eers. A change o> he SB 1) in>or?aion is indicaed +5 a *al!e ag.

S5se? n>or?aion Blocs SIB

.road+asted nformaton

read

a*d

s+o)e/ modf+aton

SIB 

/as changing "ara?eersF 7 U3 iner>erence le*el 7 D5na?ic "ersisence le*el



?a:9#2,  G E:"ir% aion Ti?e /acor;

SIB 11

Meas!re?en conrol in>or?aionG

cell-

RRC idle ?ode, RRC idle ?ode, 9CE33/ACH, CE33PCH, 9CE33DCH, CE33/ACH, URAPCH; CE33PCH, URAPCH;

cell*al!e ag

SIB 12

7 Meas!re?en conrol in>or?aionG >or UEs in he RRC conneced ?ode


CE33DCH, CE33/ACH, CE33PCH, URAPCH

cell*al!e ag

SIB 16

7 RB, TrCH, and Ph5CH "ara?eers >or a 8SM-8PRS%UMTS H@


RRC idle ?ode, CE33/ACH, CE33PCH, URAPCH;

cell*al!e ag

G e.g. MC3 4 HO#3 )ar . Use o> HCS Ec-N= orRSCP nra%, ner%/re4!enc5, ner%RAT ?eas. in>o Tra>>ic *ol!?e ?eas. n>o 9e.g. R3C +!>>er "a5load;

E:a?"les o> oher SBsF SB 1#F ANS%'1 s5se? in>or?aion SB 1'F Onl" ,or 9;6 %#s TDD SIB !<: /s*,/l ,or UE=4+s*d or UE=+ssist*d ositionin0 m*t-ods SIB !>: onl" ,or TDD SIB !;: #ont+ins PL%N id*ntiti*s o, n*i0-4o/rin0 #*lls to 4* #onsid*r*d in idl* mod* +s &*ll +s in #onn*#t*d mod* %adopted &rom 'S ()*33+ RRC,

Layer 3 Message Analysis

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