Download - 3G Protocals and Proccedures.pptx
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DMA RAN Protocols and Proced
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Agenda
o WCDMA System Architecture
o Radio interface
o IUB ,IUR and Iu interface
o RRC (Radio Resource controller )Protocols
o RC (Radio lin! controller) Protocols
o MAC and Physical layer function
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BTS
GSM BSS
Node-b
RNC
WCDMASys
tems RAN
MSC / VLR GMSC
O t h e r
P L M
N
F ! e d
N e t "
o r #
MGW
SGSN GGSN
$PNet"o
r#
Abis
Gb
Iub Iu
Iu-Ps
Iu-CS
SGSN• "andle the PS ser#ices to and from the U$%
• &or'ards incomin and outoin IP ac!ets addressed to*from an U$ that is attached 'ithinthe S+S SA
• Pro#ides functions such as ciherin and authentication, session manaement and mo-ilitymanaement
GGSN• Interface to the e.ternal IP ac!et net'or!
MGW• Connects the Core et'or! to the RC• CS tra/c%
DMA System Archtecture
PCU
BSC
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RNC
RNC
%& WCDMA RANCore Net"or#
MSC
MGW
SGSN
GGSN
•$#ery interface contains rotocols used o#er it%
•Protocol used o#er the Iu- interface
o ode B Alication Part Protocol (BAP)%
•Protocol used o#er the Iur interface
o Radio et'or! Su-systems Alication Part (RSAP)%
•Protocol used o#er the Iu interface
o Radio Access net'or! alication art(RAP)
AS Messaeso Sinalin -et'een the U$ and C directly
%u $ub
$%R
DMA RAN $nter'aces($u
NAS messa)es
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RNC
CS Domain
MGW
MSC
GGSN
WCDMA RAN
Iu0Bc
SGSN
CBC
PS Domain
Broadcast domain
Cell Broadcast center
MA RAN $nter'aces *Cont+d,(
12he Iu interface to the circuit s'itched domain, i%e% to the MSC, is referred to as Iu0CS%
• 2he Iu interface to the ac!et s'itched domain, i%e% to the S+S, is referred to as Iu0PS%
Iu0PS
In -and Sina
lin
Direct tunnelin
data
Sinalin
Core Net"or#
Iu0CS
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Protocols n WCDMA RAN
•%& needs to contact the net"or# "hch can be tr))ered ether by
o System information (ocation Area Udatin or Routin Area Udatin)
o 2imer e.irin (Periodic Reistration)
o Pain messae recei#ed
o U$ 'ants to initiate a call setu (Mo-ile 3riinatin)
•&!chan)e o' s)nals bet"een t"o enttes(o What nodes are in#ol#ed 4o What !ind of information needs to -e e.chaned o#er the di5erent interfaces4
• Why .rotocol /o 2o -e a-le to understand the !ind of sinalin messaes that need to -e sent and ho'
they are transmitted o#er the interfaces
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ocols n WCDMA RAN*Cont+d,ton %.date•U$ erforms location udatin
o 2o !ee the net'or! u to date 'ith the su-scri-er6s location %o U$ doesn6t miss incomin calls
•"o' the U$ ets information reardin the ocation Area Identity (AI) of the ser#in cell 4o When the U$ is idle, it listens to the system information on BCC"%
7
70U$ reads from system information that the AI is not the same as that stored in theUSIM% 2his triers the U$ to udate the location area%
80U$ tries to access the net'or! and sends a re9uest messae to the RC, #ia the
RBS 2he RC chec!s if it is ossi-le to allocate a dedicated channel to the U$%
:0 Resources in the RBS and o#er the Iu- interface are reser#ed -y the RC andare AC; -y the RBS
ation is achie#ed -et'een the U$ and the RBS, and the U$ sends a
08
:
12
R
C
m.le LOCA3$ON %PDA3$NG
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7
88
:
1
2
?RRC MS
C4
@02he U$ sends the re9uest to udate the location information to the C%o 2his messae also carries the IMSI and AI%o
Iu sinalin -earer is set u -et'een the RC and the C%o 2here is no' a sinalin connection -et'een the U$ and the C%o As this is the rst time the U$ accesses this ser#ice area the su-scri-er is un!no'n
in the ?R%
02he ?R sends a re9uest to the su-scri-er6s "R for Authentication Information%
0 2he "R sends this information to the ?R%
0MSC*?R starts to authenticate the su-scri-er%o 2his messae is transarent o#er WCDMA RA%
7E0After Authentication, the ?R as!s the "R to udate its ocation information for theIMSI and 'ith thene' ?R address
770 ?R recei#es an ac!no'ledement from the "R%
7802he MSC ?R transmits an acce tance to the U$ U$ u dates the location information
"R
5
6
7
89
88
808:
n %.date and Routn) area u.date*Co
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&R&D S3R%C3%R& OF PRO3OC
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R&D S3R%C3%R& OF PRO3OCOLS
oSinalin messae tra#els do'n in the rotocol stac! of the sendin node%
o 2he layers on the 'ay add their secic information to the oriinal messae%
oMessae arri#es at a recei#in node%
o"andled u'ards in the rotocol stac!, each layer in the recei#in node analy>in
information added -y the eer rotocol%
889E7E889E7E
89E7E89E7E
E7EE7E
Peer layers
User Data
Correction
addressin
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OD%C3$ON 3O RAD$O $N3&RFAC
%&
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OD%C3$ON 3O RAD$O $N3&RFAC&< %%
2he interface is layered into three rotocol
layersF
o 2he hysical layer (7)G
o 2he data lin! layer (8)G
o et'or! layer (:)
ayer :
ayer 8
ayer 7
Physical layer (7)
Data lin! layer (8)
et'or! layer (:)
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Layer : (et'or! layer )
oayer : consists of one rotocol, called Radio Resource Control (RRC), 'hich -elon to
the control lane%o &unction of RRC is to esta-lish Sinalin Radio Bearers -et'een the U$ and the RC
to handle most of the control sinals%
oRRC controls the lo'er layers
ote F
o Messaes that are not meant for the RA -ut for the C are called on Access
Stratum (AS)
o 2ransferred transarently o#er the WCDMA RA%
OD%C3$ON 3O RAD$O $N3&RFAC&< %u
ayer :RRC
AS
Control Plane
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D%C3$ON 3O RAD$O $N3&RFAC&< %u *Cont+d,Layer 0 *Data ln# layer,oayer 8 is slit into di5erent su- layers%
A0 Radio in! Control (RC) B0Medium Access Control (MAC)
ayer :RRC
AS
Control Plane
ayer 8
RC
MAC
%ser Plan *%ser data,
S)naln) Rado Bearers Rado Bearers
RLC layer *Rado Ln# Control,
oRLC layer .ro=des ser=ce n bothA0Control lane is called Sinalin Radio Bearer (SRB) B0User lane it is calleda Radio Bearer (RB)%
oS)naln) Rado Bearer< SRBSinalin messaes -et'een the U$ and the RC%
oRado Bearer< RB(User data transort -et'een the U$ and the RC%
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oRLC ma#e sure the messa)es ha=e correct len)th• on messaes con#ert them to sements• Short messaes add addin -its to them
oRLC nstance s con>)ured by RRC to o.erate n one o' three modesde.endn) on the ser=ce
• Ac!no'leded Mode (AM),• Unac!no'leded Mode (UM)• 2ransarent Mode (2M)%
oRC ma messaes on di5erent loical channels%
Control Channels
dcast Control Channel (BCC", D)Do'nlin! channel for -roadcastin system information%n Control Channel (PCC", D)Do'nlin! channel that transfers ain information
mon Control Channel (CCC", D H U)Used -y the U$ needs to access the net'or!%
icated Control Channel (DCC", D H U)Point0to0oint -i0directional channel2ransmits dedicated control information -et'een U$ and net'or!%
3ra?c Channels
Dedicated 2ra/c Channel (D2C", D H U)Point0to0oint channel, dedicated to one U$, 2ransferrin user Information%
Common 2ra/c Channel (C2C", D) 2ra/c channel for sendin tra/c to a rou of
lo)cal channels
D%C3$ON 3O RAD$O $N3&RFAC&< %u *Cont+d,
RC
SRB
oical Channel
RB
oical Channels
ControlPlane
%ser Plan *%serdata,
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MAC layer Medum Access Controlo oical channels recei#ed from the RC layer are maed onto the transort
channels%o Multile. sinalin and data to transort channels
D%C3$ON 3O RAD$O $N3&RFAC&< %u *Cont+d,
Common trans.ort channel(Se#eral users use thesame channel)-Broadcast Channel (BC") (D)
Continuous transmission of system and cell information
0 Pain Channel (PC") (D)When the net'or! 'ants to initiate communication'ith the terminal%
-Random Access Channel (RAC") (U) 2he RAC" is an ulin! transort channel used to ma!ere9uests to set u a connection
-&or'ard Access Channel (&AC") (D)Control sinalin durin call setuPac!et data transmission in lo' rates
-"i h S eed Do'nlin! Shared Channel "S0DSC" D
3rans.ort channels
Dedcated trans.ort channel(&or e.clusi#e use of one user)-Dedicated Channel (DC") (U H
Ser#ice data, such as seech fra
ayer 8RC RC
Lo)cal Channels Lo)cal Channels
MAC3rans.ort Channels
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BCC@BroadcastControl Ch%PCC@
Pain ControlCh%CCC@CommonControl Ch(C3C@Common 3ra?cCh(DCC@
DedcatedControl Ch(
D3C@Dedcated3ra?c Ch(
Lo)cal Channel
BC@Broadcast Ch%
PC@Pa)n) Ch(
FAC@For"ardAccess Ch(
DC@Dedcated Ch(
@S-DSC@@)h S.eed DLShared Ch(
DC@Dedcated Ch(
"SDPA
CP$C@Common Plot Channel
*Aids channel estimation ,
P-CCPC@*,Primary Common ControlPhysical Ch%
S-CCPC@Secondary CommonControlPhyscal Ch(
DPDC@ *one or more.er %&,Dedcated PhyscalData Ch(
DPCC@ *one .er %&,Dedcated Physcal
Control Ch(Plot 3PC 3FC$
A$C@ Ac#no"led)es thatRBS has acured a %&
Random Access attem.t
*Acuston $ndcatorChannel,
P$C@(Pain IndicatorChannel )
@S- PDSC@ *one or more.er %&,@)h S.eed PhyscalDo"nln#
shared Ch@S-SCC@ *E1 .er %&,"ih Seed Shared ControlCh
M
U
3rans.ort Channels Physcal Channels
SP
C@ Code
SC code
Gan
$Modulator
l
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Primary Common ControlPhysical Channel (PCCPC")
Broadcast Channel(BC")
3rans.ort ChannelPhyscal Channel
RBS
annel ma..n)
Secondary Common ControlPhysical Channel (SCCPC")
Physical Do'nlin! SharedChannel (PDSC")
For"ard AccessChannel *FAC@,
Pa)n) Channel*PC@,
RAC@
DSC@
DC@
UE
Dedicated Physical ControlChannel (DPCC")
DCC@ D3C@
Pa)n) ControlChannel *PCC@,
CommonControl Channel
*CCC@,
Broadcast ControlChannel *BCC@,
Physical Common Pac!etChannel (PCPC")
Dedicated Physical DataChannel (DPDC")
Lo)cal Channel
Physical Random AccessChannel (PRAC")
D%C3$ON 3O RAD$O $N3&RFAC& % *C t+d,
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Derent MAC enttes de.end on the tra?c ty.e
o MAC0- handles the transort channel for the -roadcast channel%
o
MAC0c handles the transort channels for common channelso MAC0d handles all dedicated transort channels
o MAC0hs handles the "S0DSC" transort channels
o MAC0e handles the $U
D%C3$ON 3O RAD$O $N3&RFAC&< %u *Cont+d,
D%C3$ON 3O RAD$O $N3&RFAC& % *C t+d,
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D%C3$ON 3O RAD$O $N3&RFAC&< %u *Cont+d,
ayer :RRC
AS
Control Plane
ayer 8
RC
MAC
%ser Plan *%ser data,
SRB
Lo)cal Channels Lo)cal Channels
3rans.ort Channels
RB
Layer 8 *.hyscal layer,
o 2ransort channels are maed ontothe hysical layer%
oMaed to com-ination ofFCarrier fre9uencyCodes (channeli>ation*scram-lincode air)Relati#e hase (U only)
ayer 7Physical ayer
& h ' l d d t b t th
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:RRC
Control Plane
8
RLC
MAC
%ser Plan *%ser data,
Lo)cal Channels
3rans.ort Channels
P"J 7
RRC
Control Plane
RLC
MAC
%ser Plan *%ser d
Lo)cal Channels
3rans.ort Channe
P"J
ayer 7
&P
AA8
A2M
ay
er 7
&P
AA8
A2M
RCode
0B
:
8
7
&!chan)es o' s)naln) and user data bet"een the%& and the %3RAN
SRB
Rado
Bearer
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RAB
U2RA
C0CS
C0PS
RAB
RAB
S)naln) connecton
RadoBearer
$uBearer
oSC ro#ides condential transort of sinalin -et'een U$ and C
oRAB ro#ides condential transort of user data -et'een U$ and C
o 2he sinalin Radio Bearers, SRB, can carry layer : sinalin (RRC connection
esta-lishment),
oA Radio Bearer resonsi-le for transfer of data -et'een U$ and U2RA%
oRadio -earers are maed successi#ely on loical channels, transort channels and
SCSRB $u S)naln)
Bearer
S)naln) connecton
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$uBearer
$u S)naln)
Bearer
CNRC
Radio
in!
3ra?cChannel
RRC
Channel
--------------RadoBearer--------------------------
--------------S)naln) RadoBearer-------------------
--------------------------------------------------RAB---------------------------------------------
--------------------------------------------------S)naln)Connecton---------------------------
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CNRC
@SDPA RAB
--------------------------------------Streamn) *3H,@SDPA RAB
--------------------------------------nteract=e*Bro"sn),
@SDPA RAB--------------------------------------Bac#)round
*&mal,SRB
$u-PS S)naln)*RANAP,
Con=ersatonal--------------------------------------Hoce Call
$u-CS S)naln)*RANAP,
SGSN
MGW
oA user can ha#e se#eral RABs in case se#eral ser#ices are re9uired for
this user%
F M I t ? l b d t> d
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Four MaIor tra?c classes can be dent>ed
3ra?c class
Con=ersatonal class
con=ersaton
al R3
Streamn)class
streamn) R3
$nteract=eclass
$nteract=e
best eort
Bac#)roundBac#)round
best
eort
Fundamental
characterstcs
"ihProtection
as there is noRetransmissio
n Protocolo Delays in-oth 'ays
"ihProtection
as there is noRetransmissio
n Protocol
Mini Delay(Bu5ers
comensatethe Delays)
Re9uest andResonse
RetransmissionProtocols are
used
Delays areAcceted
&!am.le o'the
a..lcaton#oice streamin
#ideoWe-
-ro'sin
$mails
&!chan)es o' s)naln) bet"een the %& and the CN
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o$.amle for rotocols used 'hen deli#erin messae from U$ to C
oMessae from U$ to C *NAS messa)e, AS includes Mo-ility Manaement (ocation area udate) Short Messae Ser#ices (SMS)%
AS
RRC
RC
MAC
ayer7
ayer 7
&P
AA8
A2M
Layer 8
SCCP
A2M
I0SAA
M3P-:b
ayer 7
RANAP
AA=
&P
AA8
A2M
Layer 8
RRC
RC
MAC
SCCP
A2M
I0SAA
M3P-:b
ayer 7
RANAP
AA=
AS
%u $%B$%
Peer
&!chan)es o' s)naln) bet"een the %& and the CN
RC
ode0B C
NAS messa)es
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RRC *Rado Resource Controlle
*Rado Resource Controller,
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*Rado Resource Controller,
Rado Resource Controller, Cont+d
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RRC .ro=des the 'ollo"n) 'unctons
Broadcast of system information
Initial cell selection and cell re0selection%
Pain%
$sta-lishment, maintenance and release of an RRC connection -et'een the U$ and
RA%
2ransarent messae transfer%
$sta-lishment, reconuration and release of Radio Bearers%
o Caacity manaements %
RRC connection mo-ility functions%
o "ando#er e#aluation
U$ measurement reortin and control of the reortin%
o 2a!e the decisions -ased on measurements reort
Rado Resource Controller, Cont+d
Rado Resource Controller, Cont+d
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&!am.le 'or RRC Messa)es((
o RRC Connection Re9uesto RRC Connection Setuo RRC Connection ReKecto RRC Connection Setu Comleteo RRC Connection Releaseo RRC Connection Release Comleteo Pain 2ye 7 (CS Idle)o Pain 2ye 8 (CS connected)
o Radio Bearer Setuo Radio Bearer Setu Comleteo Radio Bearer Setu &ailureo Radio Bearer Reconurationo Radio Bearer Reconuration Comleteo Radio Bearer Reconuration Comlete &ailureo Radio Bearer Releaseo Radio Bearer Release Comleteo Radio Bearer Release &ailureo Physical Channel Reconurationo Physical Channel Reconuration Comleteo Physical Channel Reconuration Comlete &ailure
oURA UdateoURA Udate ConrmoCell UdateoCell Udate ConrmoActi#e Set UdateoActi#e Set Udate ComleteoActi#e Set Udate &ailureoCell Chane 3rder &rom WCDMA RA
oCell Chane 3rder &rom WCDMA RA&ailure
Rado Resource Controller, Cont d
Rado Resource Controller, Cont+d
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RRC F%NC3$ONS AND PROC&D%R&S
8- BROADCAS3 OF S;S3&M $NFORMA3$ON
2he System Information messaes are sent on BCC@ loical channel
Rado Resource Controller, Cont d
WCDMA RABCC" on BC" or &AC"
3he %& reads system n'ormaton on the BCC@ "hen 'ollo"n) occur0 2he U$ is o'ered u0 2he U$ chanes cell in Idle mode or in state C$L&AC"0 2he U$ is informed of a chane of System Information%
- 2he U$ mo#es from dedicated mode to common mode
BCC"*Lo)cal,
BC"(2ransort)D idle
D &AC" BCC"*Lo)cal,
&AC"(2ransort)
P-CCPC@*,Primary Common ControlPhysical Ch%
S-CCPC@Secondary Common ControlPhyscal Ch(%
Rado Resource Controller, Cont+d
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0- $N$3$AL C&LL S&L&C3$ON AND C&LL R&S&L&C3$ON
A'ter the %& has read the system n'ormaton< t shall use the cell selectonand Reselecton .arameters and choose the most sutable cell to cam. on(
ll selecton .rocedure
oSual E ualmeas - ualMn *For WCDMA,
9ualmeas is CPIC" $c*o9ualMin is minimum re9uired $c*o
oSr!le= E r!le=meas J R!le=Mn *'or all cells,
r.le#meas is CPIC" RSCP9R.le#Min is minimum re9uired RSCP
o3he cell consder as acce.ted '
• S9ual N E and Sr.le# N E
Rado Resource Controller, Cont d
Cell selecton occurs "hen U$ is s'itched on U$ oes from common channel(cellO&AC") to idle mode U$ oes from connected mode (cellODC") to idle
U$ oes to idle mode after an emerency call on any PM U$ in idle mode has had a num-er of failed RRC connection re9uest
Rado Resource Controller, Cont+d
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l reselecton .rocedure
When it occurs
When cell on 'hich it is camin is no loner suita-le
When there is any neih-or 'ith -etter 9uality than the selected one
When the U$ in the limited ser#ice state on an acceta-le cell
When the U$ is in cell L&AC" state
:+ &7 :+ &8 +SM
:+ &7
0- $N$3$AL C&LL S&L&C3$ON AND C&LL R&S&L&C3$ON *Cont+d,
Rado Resource Controller, Cont d
Rado Resource Controller, Cont+d
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euency measurements starts "hen
E Sntrasearch
Search Controls "hen ntraJ'reuency measurements are .er'ormed
lmeas - ualMn E Sntrasearch
lmeas E Sntrasearch K ualMn
0( $nter 'reuency measurements starts "hen
Sual E SnterSearch
Sntersearch Controls "hen ntraJ'reuency measurements are.er'ormed
ualmeas - ualMn E SnterSearch
ualmeas E SnterSearch K ualMn
reselecton .rocedure*Cont+d,
0- $N$3$AL C&LL S&L&C3$ON AND C&LL R&S&L&C3$ON *Cont+d,
Rado Resource Controller, Cont d
Rado Resource Controller, Cont+d
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:( GSM measurements starts "hen
Sual E sRatSearch
ualmeas E sRatSearch K ualMn
OR Sr!le= E S@csRat
ualmeas E s@csRat K r!le=mn
sRatSearch F Controls 9uality ($c*o)2hreshold at 'hich +SM measurements areerformedS"csRat F Controls Sinal Strenth 2hreshold at 'hich +SM measurements areerformed
reselecton .rocedure*Cont+d,
0- $N$3$AL C&LL S&L&C3$ON AND C&LL R&S&L&C3$ON *Cont+d,
Rado Resource Controller, Cont d
Rado Resource Controller, Cont+d
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GSM measurement
2ime
9ualmin07
07<
ualmeas
SRA3 SearchE1dB
reselecton .rocedure*Cont+d,
0- $N$3$AL C&LL S&L&C3$ON AND C&LL R&S&L&C3$ON *Cont+d,
Rado Resource Controller, Cont d
ualmeas E Sntrasearch K ualMn
Rado Resource Controller, Cont+d
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GSM measurement
2ime
r.le#min077=
0778
R.le#meas
s@csRat E:dB
reselecton .rocedure*Cont+d,
0- $N$3$AL C&LL S&L&C3$ON AND C&LL R&S&L&C3$ON *Cont+d,
Rado Resource Controller, Cont d
ualmeas E s@csRat K
r!le=mn
Rado Resource Controller, Cont+d
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oWhen the U$ triers a cell reselections rocedure it starts ran!in for the cell satisfySOcriteriao (S9ual N E and Sr.le# N E)
oRan!in is done for the ser#in cell and the neih-or cell
o R(ser#in) meas(s)Q9"yst(s)
o R(neih-or) meas(n)O935set(s,n)omeasF is the 9uality #alue of the recei#ed sinal
o CPIC" $c*oo CPIC" RSCP
o9"yst(s)F hystersis #alue sent to mo-ile in system information used to delay thereselectiono 9"yst7 if the ran!in -ased on CPIC" RSCPo 9"yst8 if the ran!in -ased on CPIC" $c*o
o935set(s,n)F is the o5set -et'een the ser#in and the neih-or cell also used to shiftthe cell -oardero 935set7sn F if the ran!in -ased on RSCP%o 935set8sn F if the ran!in -ased on $c*o
o9ualMeasuantityo Parameter that determine if 'e 'ill do the ran!in -ased on RSCP or $c*o
reselecton .rocedure*Cont+d,
0- $N$3$AL C&LL S&L&C3$ON AND C&LL R&S&L&C3$ON *Cont+d,
Rado Resource Controller, Cont d
Rado Resource Controller, Cont+d
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2ime
meas
R*S,
@yst0E1
R*n,
meas*S,
meas*n,
Oset0SNEo
3reSelecton
Cell Re-Selecton to Ne)
R*n, R*S,
reselecton .rocedure*Cont+d,
0- $N$3$AL C&LL S&L&C3$ON AND C&LL R&S&L&C3$ON *Cont+d,
Rado Resource Controller, Cont d
Rado Resource Controller, Cont+d
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3S to GSM cell Reselecton
2ime
meas
R*S,
@yst8E1
meas*n, *GSM,
r!le=mnS@csSearch
meas*S,r!le=mn
GSM measurements
SJcrteraSr!le= 9
Sr!le= r!le=meas J R!le=Mn
meas*S,r!le=mnKS@csSearch
R*N,
oset8SN
R*N,R*S,
3reSelecton
Cell Re-Selecton to Ne) *GS
reselecton .rocedure*Cont+d,
0- $N$3$AL C&LL S&L&C3$ON AND C&LL R&S&L&C3$ON *Cont+d,
Rado Resource Controller, Cont d
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:G States $ntroducton
Rado Resource Controller, Cont+d
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o%& has dedcated channelo*DCC@, 'or control s)naln)o *D3C@, s used 'or user data 3ransmssono
DCC@ and D3C@ are ma..ed onto dedcated trans.ortchannels *DC@,(o3he %& .er'orms measurements and sends re.orts tothe RNC
Cell FAC@
DL %L
C&LL DC@ DL%L
Cell PC@DL only
o%& has no dedcated channel allocatedo%& uses the common channels< RAC@ and FAC@< 'ors)naln) messa)es and small amounts o' data *3rans.ort
Channels,o%& needs to send Cell %.date messa)es to RNC e=erytme t selects a ne" cell(o%& can only be reached =a the Pa)n) $ndcator Channel*P$C@,(oBattery consum.ton o' the %& =ery lo" because
P$C@ ncludes *DR, 'unctonalty( %& does not ha=e to montor the FAC@ any more(
$' the net"or# ntates any act=ty Pa)e the %&( When the %& rece=es the .a)n) t chan)es to the
C&LLFAC@ state .er'orms a Cell %.date(
$F %& ntates any act=ty t tr))ers a s"tch to the C&LLFAC@ state
oA %& on FAC@ s s"tched do"n to CellPC@ ' t sho"s no
act=ty 'or a lon) .erod o' tme *system resources are'reed,
Rado Resource Controller, Cont d
$dle
Rado Resource Controller, Cont+d
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Rado Resource Controller, Cont d
:- PAG$NG 2his rocedure is used to transmit ain information to selected U$ in
o Idle modeo C$LPC" or URALPC" state%o Cell &AC" and Cell DC"
oPIC" is used to indicate to the U$ 'hen it should read the SCCPC" (Physical channels)
WCDMA RAPa)n) ty.e 8 PCC@PC@
DCC"*Lo)cal, FAC@*3rans.ort,
C&LLDC@C&LLFAC@
$dle PC@
WCDMA RAPa)n) ty.e 0 DCC@
D DC"&AC"
PCC@ *Lo)cal,Pain ControlCh%
PC@*3rans.ort,Pain Ch%
S-CCPC@ *Physcal,Secondary Common ControlPhysical Ch%
D Idle
Rado Resource Controller, Cont+d
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1-&S3ABL$S@M&N3< MA$N3&NANC& AND R&L&AS& OF RRCCONN&C3$ON
Rado Resource Controller, Cont d
RC
RRC Connection Setu CCC"*&AC"
RRC Connection Re9uest CCC"*RAC"
Connecton &stablshment
RRC Connection Setu ComleteDCC"*DC"
WCDMA RAConnected
Mode
CCC@ *Lo)calChannel,
Common ControlCh%
FAC@ *3rans.ortChannel,
&or'ard Access Ch%
S-CCPC@Secondary Common Control
(Physical Ch%)
CCC@ *Lo)calChannel,Common ControlCh%
RAC@ *3rans.ortChannel,&or'ard Access Ch%
PRAC@(Physical Ch%)
U
D
Rado Resource Controller, Cont+d
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&stablshment Cause 'or RRCconnectono 3riinatin Con#ersational Callo 3riinatin Streamin Callo 3riinatin Interacti#e Callo 3riinatin Bac!round Callo 2erminatin Con#ersational Callo 2erminatin Streamin Callo 2erminatin Interacti#e Callo 2erminatin Bac!round Callo $merency Callo Inter0RA2 Cell Re0Selectiono Inter0RA2 Cell Chane 3rdero Reistrationo Detacho Call Re0$sta-lishment
ad o esou ce Co o e , Co d
1-&S3ABL$S@M&N3< MA$N3&NANC& AND R&L&AS& OF RRCCONN&C3$ON *Cont+d,
Rado Resource Controller, Cont+d
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RC
DCC@RRC Connecton Release
DCC@RRC Connecton Release
Com.lete
C&LLDC@
CCC@FAC@ RRC ConnectonRelease
CCC@RAC@ RRC ConnectonRelease Com.lete
C&LLFAC@
P$C@
CCC@RAC@ RRC Connecton
Release Com.lete
%RAPC@ PCC@ *RRC Connecton Release,
Release the RRC connecton cause When contact 'ith the U$ is considered lost When RA has recei#ed a re9uest from the C to release the sinalin connection% RA detects a need to release the connection%
,
%RAPC@ nou.ln# channel n%RA
Rado Resource Controller, Cont+d
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NAL$NG CONN&C3$ON
RAAP
Iu 2ransortayer
RRC
RC
MAC
7
RAN%&
One RRCConnecton
CS
PS
RRC
RC
MAC
7
Iu 2ransortayer
MSCRAAP
Iu 2ransortayer
C 7
S+S
C 8
oSinalin Connection is a connection -et'een one Core et'or! (C) and one U$o 2he Sinalin Connection consists
one RRC Connection o#er RA
one or t'o sinalin connection o#er Iu interfaceo$sta-lishment of the rst Sinalin Connection is initiated -y the U$ as soon as theRRC Connection is successfully esta-lished%
,
SC
SC
SC
RAAP
ote that only one RRC Connection is used%
Rado Resource Controller, Cont+d
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naln) Connecton Release
,
RAAP
Iu 2ransortayer
RRC
RC
MAC
7
RAN%&
RRC
RC
MAC
7
MSC
RAAP
Iu 2ransortayer
C 7
RCSinalin Connection Release
RAB
One RRCConnecton
oA sinalin connection normally e.ists in conKunction 'ith a RABo"o'e#er, in some cases a sinalin connection is esta-lished to erform control lane
actions that do not in#ol#e any user lane action, such as location area udatin%oSinalin connection release rocedure is used to notify the U$ that one of itssinalin connections has -een released%o 2his rocedure does not initiate the release of the RRC connection%
SC
%& location
areaudatin
Rado Resource Controller, Cont+d
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NSPAR&N3 M&SSAG& 3RANSF&R
,
RAAP
Iu 2ransortayer
RRC
RC
MAC
7
RAN%&
RRC
RC
MAC
7
MSC
RAAP
Iu 2ransortayer
C 7
RC
SC
One RRCConnecton
$ntal Drect 3rans'er
*DCC@,
o 2he U$ sends Initial Direct 2ransfero 2his messae carries the initial AS messae from the U$ to the C (Reason for
the access)
3rans'er o' NAS messa)es at Moble Or)nated Call Setu.
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RA C
RRCF RRC Connection Re9uest
RRCF RRC Connection Setu
RRC Connection Setu comlete
Initial Direct 2ransfer ASF (Ser#ice Re9uest)
RRCF Ulin! Direct 2ransfer ASF (Setu) (i 'ant to ma!e acall)
RRCF Do'nlin! Direct 2ransfer ASF (Authentication Re9uest)
RRCF Security Mode Comlete
RRCF Security Mode Command
RRCF Radio -earer Setu comlete
RRCF Do'nlin! Direct 2ransfer ASF (Call Proceedin)
RRCF Radio Bearer Setu
Authentication Resonse
Chec! Iu resources
Chec! RC resources and 3S
RAB
RAB Assinment Re9uest
Rado Resource Controller, Cont+d
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RAD$O B&AR&RMANAG&M&N3
RRC erformso Radio Bearer
esta-lishment,o Radio Bearer
reconurationo Radio Bearer release%
RRC
RC
MAC
7
RAAP
Iu 2ransort
ayer
RAAP
Iu 2ransort
ayer
RRC
RC
MAC
7
CRAN%&
RAB Ass)nmentReuest
RB Mana)e
RAB AssinmentRado Resource Controller, Cont+d
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RCRAB Assinment
Re9uest
RB Setu Comlete
C
AdmssonControl<
Radio Bearer Setu
Set oS reurements
RCRAB Assinment
Re9uest
RB ReconurationComlete
C
RB Reconuration
RCRAB Assinment
Re9uest
Radio Bearer Release
Comlete
C
Radio Bearer Release
do Bearer Setu.
o Bearer Recon>)uraton
do Bearer Release
Rado Resource Controller, Cont+d
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%PDA3&
e in connected mode (DC") the U$ is al'ays in S3&2 hando#er
n nish the call (common channels)e to send cell udatell the net'or! 'here I am
RC
Cell Udate Conrm DCC" on&AC"
Cell Udate CCC" on RAC"
CCC"*Lo)cal,
RAC"(2ransort) PRAC" *Physcal Ch(,Physical Random Access Ch%
U
D DCC"*Lo)cal,
&AC"( 2ransort) S-CCPC@ *Physcal,
Secondary Common ControlPhysical
Cell Udate
Rado Resource Controller, Cont+d
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2he urose of the cell udate is to udate the current location of the U$'hen it is inC$L&AC" *Cell PC" state%
In &AC"* C$ PC"Cell udate can -e initiated 'ith the follo'in cause #aluesFo Periodic Cell udate (e.iry of timer) 2:E=o Cell Selection* Reselection
Rado Ln# Su.er=son *Periodic Cell udate (e.iry of timer)
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What s the rado ln# su.er=son /Is the alorithm suer#ises the radio connection -et'een the U$ and the U2RA
Reasono Chec! if the U2RA still control the U$ or not%
o Increase the e/ciency of resources usae%FAC@o Cell Udate Messae 'ill -e sent 'henF
When the U$ chane its ser#in cell When t:E= e.ires
2:E=,
U$ $nters Cell
&AC"
3:92 e!.res
Cell Udate Messae
Cell Udate
ConrmationCC"WAI2CU2 Reset
3#erall ConnectionRelease
3:92CC"WAI2CU2 $.ire
CC@WA$3C%3Start
CC@WA$3C%3
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RLC Protocols
LC Protocols
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%serdata
RLC SD%RLC PC$
RLCLayer 0
PayloadRLCPC$
MAC SD%
Layer 8
%serdata
RLC SD%
PayloadRLCPC$
MAC SD%
Layer 8
MACLayer 0
Uu
e data unt s "hat $ )et 'rom h)her layerstocol control n'ormaton s added to )et PD% .rotocol data unt *hea
RLCLayer 0
MACLayer 0
RLC PD%
C Protocols*Cont+d,
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User dataRLC
MAC SD%
RLC PD%
entaton and re-assembly !no' the user data si>e so I ma!e sementation into -loc! si>e to feet the PDUm-ly I ha#e to do the oosite on the other side
PayloadRLCPC$RLC PD%
RLC PD%
Uu
PayloadRLC
PC$ PayloadRLCPC$
User data
RLC
MAC SD%
RLC PD%
PayloadRLCPC$RLC PD%
RLC PD% PayloadRLCPC$
PayloadRLC
PC$
RLCSD%
RLCPC$
data 7
RLC PD% SDU 7
0-ConcatenatonIf the contents of an RC SDU do not llRC PDUSo I can concatenate in the PDU and usethe headers PCI to !no' the -loc!s
SDU 8
LC Functons
RLC
data 7
C Protocols*Cont+d,LC F
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:-Paddn)Data to -e transmitted does not ll RC SDU ofi#en si>e,
2he remainder of the data eld is lled 'ithaddin -its%
RLCSD%
RLCPC$
RLC PD% SDU7
Dummy-its
1-3rans'er o' user dataRC suorts data transfer in the -elo' modeso Ac!no'leded Modeo Unac!no'leded Modeo 2ransarent Mode
User dataRLC
RLC PD%
PayloadRLCPC$RLC PD%
RLC PD% PayloadRLCPC$
PayloadRLCPC$
Buer
Buer
Buer
I ha#e to ut the data in -u5er and Release it once I et AC; If et AC; I retransmitthe data in the -u5er
LC FunctonsRLC
•Ac#no"led)ed Mode *AM,Some data o throuh and et chanedif $rror haened Retransmission is re9uested (interacti#e PS data)
C Protocols*Cont+d,
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•%nac#no"led)ed Mode *%M,Some data to throuh and et chaned -ut no retransmissions haened
(Streamin ) User dataRLC
PayloadRLCPC$RLC PD%
RLC PD% PayloadRLCPC$
•3rans.arent Mode *3M,(• Some data o throuh and no chane haened on it
o Sinalino o chane haened to ito As I desined it -y :+PP to feet the lo'er layers
• CCC"
• Amr ?oice
LC Functons
C Protocols*Cont+d,LC F t
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2-$n-seuence del=ery o' u..er layer PD%s
UserdataRLC
MAC SD%
RLC PD%
8RLC PD%
RLC PD% 0
:
RLC
MAC SD%
RLC PD%
8RLC PD%RLC PD% 0
:
4-Du.lcate detecton$nsures that PDU is deli#ered only once to the uer layer%
LC Functons
5-&rror correcton 2his function ro#ides error correction -y retransmission in the ac!no'lededdata transfer mode%
3erate inAC; mode
6-Flo" control
;ee the data in -u5er until the resources are ready (Control the rate oftransmission)
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edum Access control Protocol, Pro
edum Access control Protocol, Protocols
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MAC TC
a 'rom RLC layer and .ut them on the R)ht trans.ort channel
ayer 8
RLC
MAC
Lo)cal Channels
3rans.ort Channe
MAC 0D
MAC0hs
MAC0e
CCC"BCC"PCC"
RAC"&AC"PC"
D2C"DCC"
DC"
AC Architecture U$ Side
"S 0DSC"$0DC"
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Physical ayer
ysical ayer 3#er#ie'
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Channel Codn)
Mult.le!n)
Ma..n) to .hyscalchannels
S.readn)
Modulaton
Ar nter'ace
3rans.ort channels
Maed to com-ination of o Carrier fre9uencyo Codeo Relati#e hase (U only)
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G&N&RAL PRO3OCOL MOD&LFOR WCDMA RAN $N3&RFAC&S
*$%B< $%R< $%,
G&N&RAL PRO3OCOL MOD&L FOR WCDMA RAN $N3&RFAC&S*$%B< $%R< $%, H&R3$CAL PLAN&S
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*$%B< $%R< $%,
@OR$ON3AL LA;&RS
H&R3$CAL PLAN&S
Rado Net"or#
LayerRA related issues
3rans.ortNet"or# Layer 2ransort technoloy
Control Plane User Plane
Control Planeo Alication Protocol
Iu interface Radio Access et'or! Alication Part (RAAP) Iur Interface Radio et'or! Su-systems Alication Part (RSAP) Iu- interface ode B Alication Part (BAP)
o Sinalin Bearer for transortin the Alication Protocol messaes
A..lcaton
Protocol
S)naln)Bearer
DataStream
Data Bearer
%ser Planeo User data, such as the coded #oice in a #oice call or the ac!ets in an Internet
connection are transorted #ia the User Plane%o 2he User Plane includes the Data Stream(s) and the Data Bearer(s) for the Data
Stream(s)%
2 User Plane 2 User Plane
G&N&RAL PRO3OCOL MOD&L FOR WCDMA RAN $N3&RFAC&S*$%B< $%R< $%,
C t l Pl User Plane
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3rans.ort Net"or# Control Plane
ALCAP .rotocol *Access in! Control Alication Protocol)oACAP has its o'n Sinalin Bearer(s) needed for the ACAP rotocol(s)%
oACAP used to set u and release the Data -earers
(In the control lan)&irst there is a sinalin transaction -y theAlication Protocol
2his sinalin transaction triers the set u of the Data Bearer -y theACAP rotocol
*$%B< $%R< $%,Control Plane User Plane
A..lcatonProtocol
S)naln)Bearer
DataStream
Data Bearer
3rans.ort Net"or# Control Plane
ALCAP
S)naln)Bearer
G&N&RAL PRO3OCOL MOD&L FOR WCDMA RAN$N3&RFAC&S *$%B $%R $%, *cont+d,
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H&R3$CAL PLAN&S
Control Plane User Plane
A..lcatonProtocol
S)naln)Bearer
DataStream
Data Bearer
3rans.ort Net"or# Control Plane
ALCAP
S)naln)Bearer
Physcal Layer
$N3&RFAC&S *$%B< $%R< $%, *cont+d,
R
2
R$ON3AL LA;&RS
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$%B $N3&RFAC& PRO3OCOLS
RC
ode0B
IuB Protocols
$%B $N3&RFAC& PRO3OCOLSI - i t f th RBS t th RC
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R
oIu- interfaces the RBS to the RC
Control Plane User Plane
NBAP
NBAP-D
NBAP-C
DC@
FP
RAC@
FP
@SNDS
C@FP
PC@
FP
Node B A..lcaton Part *NBAP,o$sta-lishment of a sinalin connection o#er Iu-%oIt is di#ided into t'o essential comonents
BAP0C BAP0D
oBAP0C Sinalin that is not related to a secic U$%
oBAP0D Used for sinalin relatin to a secic U$ conte.t%
%ser .lane $ub Frame Protocols *FP,o 2hese are DC"0&P, RAC"0&P, &AC"0&P, "SDSC" &P and PC"0&P transort channel
$%B $N3&RFAC& PRO3OCOLS*Cont+d,
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3NL de>nes .rocedures 'or establshn) .hyscal connectonsbet"een the RBS and the RNC(
R
2
Control Plane User Plane
3rans.ort Net"or# Control Plane
NBAP
NBAP-D
NBAP-C
ALCAP
%N$-SAAL
%N$-SAAL
DC@
FP
RAC@
FP
RAC@
FP
PC@
FP
AAL0
A3M
o UI0SAA user to net'or! sinalin A2M Adation ayero ACAP Access in! control Alication Parto AA8 A2M adation layer 2ye 8
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$%R $N3&RFAC& PRO3OCOLS
RNC
RNC
IUR Protocols
$%R $N3&RFAC& PRO3OCOLSoIUR interface connects t'o RCs
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oIUR interface connects t'o RCs%Rado Net"or# Layer *RNL,
R
Control Plane User Plane
RNSAP DC@ FP
o3he RNSAP .rotocol
o 2he RSAP rotocol is the sinalin rotocol dened for the Iur interface%o It consists of four distinct functionsF
Basic Inter0RC mo-ility suort (to allo' sinalin -et'een RCs) Dedicated channel tra/c suort (to allo' dedicated channels for user data
-et'een RCs, e%% for soft hando#er) Common channel tra/c suort (to allo' common channel communication
-et'een RCs)% ot suorted -y $ricsson% +lo-al resource manaement suort (allo's transfer of ode B timin infoand cell measurements -et'een RCs)
o3he %ser Plane 'or the RNL across the $ur can be based ethercommon channel (not suorted -y $ricsson)
dedicated channel%
$%R $N3&RFAC& PRO3OCOLS *Cont+d,
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23N %serPlane
3N %ser Plane
SCCP
SCCP (Sinalin Connection Control Protocol )
Pro#ides the functionality to transort sinalin messaesM2P0:- (Messae 2ransfer Part layer :)ro#ides messae routin (for oint0to0oint lin!)
2o adat the SS sinalin not that the SS sinalin is not used in IUBI0SAAAdats the uer layer rotocol to the re9uirements of the o'er A2M
3rans.ort Net"or# Control Plane
M3P:b
NN$-SAAL
AAL0
NN$-SAAL
ALCAP
RControl Plane User Plane
RNSAP DC@
FP
$%R $N3&RFAC& PRO3OCOLS *Cont+d,
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R
Control Plane User Plane
RSAP DC@FP
2
2 User Plane 2 User Plane
SCCP
2ransort et'or! Control Plane
M3P:b
NN$-SAALAAL0
NN$-SAAL
A3M
ALCAP
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$% $N3&RFAC& PRO3OCOLS
RC
C
Iu Protocols
$% $N3&RFAC& PRO3OCOLS *Cont+d,
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o 2he Iu interface connects the RC to C Iu0CS interfaces the RC to the MSC0ser#er Iu0PS interfaces the RC to the S+S
R
Control Plane User Plane
Data
Control .lane .rotocol *RANAP,Pro#ides the sinalin ser#ice -et'een U2RA and C
RAB mana)ement 2ransort of AS sinalin messaes
%ser Plane .rotocols data
RANA
P
o Net"or# Layer *RNL,
Control Plane%ser Plane
RANAP
S $nter'ace Protocols(
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RANAP Data
2 User Plane
SCCP
3rans.ort Net"or# Control Plane
M3P:b
NN$-SAAL
AAL0
NN$-SAAL
A3M
ALCAP
2 User Plane
Control Plane%ser Plane
RANAP Data
2 User Plane
SCCP
3rans.ort Net"or# Control Plane
M3P:b
NN$-SAAL
2 User Plane
G3P-%
%DP
$P
AAL2
A3M
PS $nter'ace Protocols(Iu0PS interface has instead of AA8laneF
+2P0U (+PRS 2unnelin Protocol0User)
(UDP) User Dataram Protocol
Internet Protocol (IP)G3P-%
+2P0U is user data -earerto'ards the PS domain%
%DP 2ransort of IP alications
-
8/20/2019 3G Protocals and Proccedures.pptx
80/80
3han#s ;ou