3g protocals and proccedures.pptx

8/20/2019 3G Protocals and Proccedures.pptx

1/80

DMA RAN Protocols and Proced


2/80

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


3/80

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


4/80

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


5/80

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


6/80

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


7/80

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


8/80

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


9/80

&R&D S3R%C3%R& OF PRO3OC


10/80

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


11/80

OD%C3$ON 3O RAD$O $N3&RFAC

%&


12/80

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 (:)


13/80

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


14/80

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%


15/80

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,


16/80

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


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


17/80

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


18/80

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,


19/80

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& % *C t+d,


20/80


ayer :RRC

AS

Control Plane

ayer 8

RC

MAC


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


21/80

:RRC

Control Plane

8

RLC

MAC


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


22/80

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


23/80

$uBearer

$u S)naln)

Bearer

CNRC

Radio

in!

3ra?cChannel

RRC

Channel

--------------RadoBearer--------------------------

--------------S)naln) RadoBearer-------------------

--------------------------------------------------RAB---------------------------------------------

--------------------------------------------------S)naln)Connecton---------------------------


24/80

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


25/80

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


26/80

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


27/80

RRC *Rado Resource Controlle

*Rado Resource Controller,


28/80

*Rado Resource Controller,

Rado Resource Controller, Cont+d


29/80

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




30/80

&!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



31/80

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


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(%



32/80

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


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



33/80

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,




34/80

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,





35/80

:( 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






36/80

GSM measurement

2ime

9ualmin07

07<

ualmeas

SRA3 SearchE1dB




ualmeas E Sntrasearch K ualMn



37/80

GSM measurement

2ime

r.le#min077=

0778

R.le#meas

s@csRat E:dB




ualmeas E s@csRat K

r!le=mn



38/80

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






39/80

2ime

meas

R*S,

@yst0E1

R*n,

meas*S,

meas*n,

Oset0SNEo

3reSelecton

Cell Re-Selecton to Ne)

R*n, R*S,






40/80

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





41/80

:G States $ntroducton



42/80

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,


$dle



43/80


:- 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



44/80

1-&S3ABL$S@M&N3< MA$N3&NANC& AND R&L&AS& OF RRCCONN&C3$ON


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



45/80

&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,



46/80

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



47/80

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%



48/80

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



49/80

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.


50/80

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



51/80

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


52/80

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



53/80

%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



54/80

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)


55/80

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


56/80

RLC Protocols

LC Protocols


57/80

%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,


58/80

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%


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


59/80

:-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$

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,


60/80

•%nac#no"led)ed Mode *%M,Some data to throuh and et chaned -ut no retransmissions haened

(Streamin ) User dataRLC



•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


61/80

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)


62/80

edum Access control Protocol, Pro

edum Access control Protocol, Protocols


63/80

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"


64/80

Physical ayer

ysical ayer 3#er#ie'


65/80

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)


66/80

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


67/80

*$%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


68/80

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


ALCAP

S)naln)Bearer

G&N&RAL PRO3OCOL MOD&L FOR WCDMA RAN$N3&RFAC&S *$%B $%R $%, *cont+d,


69/80

H&R3$CAL PLAN&S


A..lcatonProtocol

S)naln)Bearer

DataStream

Data Bearer


ALCAP

S)naln)Bearer

Physcal Layer

$N3&RFAC&S *$%B< $%R< $%, *cont+d,

R

2

R$ON3AL LA;&RS


70/80

$%B $N3&RFAC& PRO3OCOLS

RC

ode0B

IuB Protocols

$%B $N3&RFAC& PRO3OCOLSI - i t f th RBS t th RC


71/80

R

oIu- interfaces the RBS to the RC


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,


72/80

3NL de>nes .rocedures 'or establshn) .hyscal connectonsbet"een the RBS and the RNC(

R

2



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


73/80

$%R $N3&RFAC& PRO3OCOLS

RNC

RNC

IUR Protocols

$%R $N3&RFAC& PRO3OCOLSoIUR interface connects t'o RCs


74/80

oIUR interface connects t'o RCs%Rado Net"or# Layer *RNL,

R


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,


75/80

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


M3P:b

NN$-SAAL

AAL0

NN$-SAAL

ALCAP

RControl Plane User Plane

RNSAP DC@

FP

$%R $N3&RFAC& PRO3OCOLS *Cont+d,


76/80

R


RSAP DC@FP

2

2 User Plane 2 User Plane

SCCP

2ransort et'or! Control Plane

M3P:b

NN$-SAALAAL0

NN$-SAAL

A3M

ALCAP


77/80

$% $N3&RFAC& PRO3OCOLS

RC

C

Iu Protocols

$% $N3&RFAC& PRO3OCOLS *Cont+d,


78/80

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


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(


79/80

RANAP Data

2 User Plane

SCCP


M3P:b

NN$-SAAL

AAL0

NN$-SAAL

A3M

ALCAP

2 User Plane

Control Plane%ser Plane

RANAP Data

2 User Plane

SCCP


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


80/80

3han#s ;ou

3g protocals and proccedures.pptx

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