CSCallSetup

8/12/2019 CSCallSetup

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1 Nokia Siemens Networks 20090119

CS Call SetupCS Call Setup

20092009--0101--1919


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CS Call Setup

RRC Connection Phase

Transport Plane Setup

CS Call Setup


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AMR CS Call Phases

DRNCUE CNSRNCWBTS

2. RRC connection set-up

5. Service Established

1. Cell search, BCCHdecoding & RACH access

3. UE CS-CN signalling

4. RAB Setup

6. Service Released

5. UE CS-CN signalling


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PHY

TDM

MTP

PHY

ATM

AAL5

SSCOP

SSCF-NNI

MTP3b

SCCP

RANAP

PHY

TDM

MTP

NODE-B D-RNC S-RNC MGW MSCIub AIu-CSIur

UE

MAC

WCDMA

RLC

RRC

MM/CCSS/SMS

MAC

RLC

RRC

WCDMA

PHY

ATM

FP Iub-UP

AAL2

PHY

ATM

FP Iub-UP

AAL2

PHY

ATM

FP Iur-UP

AAL2

PHY

ATM

FP Iur-UP

AAL2

PHY

ATM

AAL5

SSCOP

SSCF-NNIMTP3b

SCCP

RANAP

SCCP

BSSAP

SCCP

BSSAP

MM/CCSS/SMS

Uu


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Mobile Terminated Call (MTC)

ServiceRequest

RadioAccessBearer

Paging

Mobile Originated Call

Setup Access Active

RRCConnection


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RRC Connection

Setup

Phase

RRC Connection

AccessPhase

RRC Connection Setup

UE Node-B RNC CN

RRC Connection Request ( CCCH on RACH)

Radio Link Setup RequestNBAPNBAP

Radio Link Setup ResponseNBAPNBAP

RRC Connection Setup Complete (DCCH on DCH)

RRC Connection Setup (CCCH on FACH)

Establish Request (ERQ) AAL2SIGAAL2SIG

Establish Confirm (ECF)AAL2SIGAAL2SIG

Layer 1 Synchronisation

NBAP Synchronisation

RRC RRC

RRCRRC

RRC RRC

Signalling Bearer

establishment


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RRC Connection Request

UE Node-B RNC CN

RRC Connection Request (RACH)RRC RRC

SRNCAdmission Control

Select Transport Channel

Allocate RNTI

UE IEs

Measurement IEs

Initial UE identity

Establishment cause

Protocol errorindicator

Originating Conversational Call,Originating Background Call,Terminating Streaming Call,

Emergency Call,Inter-RAT cell reselection,

Registration,

Detach,Originating High Priority

Signalling,Call reestablishment,

Terminating Low PrioritySignalling,

IMSI

TMSI & LAI

P-TMSI & RAI

IMEI

CHOICE


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NBAP Radio Link Setup Request

UE Node-B RNC CN

RRC Connection Request (RACH)


RRC RRC

Message Discriminator

Message Type

Transaction ID

CRNC Communi-cation Context ID

UL DPCHInformation IEs

DL DPCH

Information IEs

DCH Information

DSCH Information

TFCI2 bearer

information IEs

RL Information IEs

Transmission GapPattern Sequence

Information

Active PatternSequence Info


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NBAP Radio Link Setup Response

UE Node-B RNC CN




RRC RRC

CRNC CommunicationContext IDNodeB CommunicationContext ID

RadioLink Information List

RadioLink Information Item

DCH list RL Setup Response


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AAL2SIG ERQ ECF

UE Node-B RNC CN




RRC RRC

Start TX

Establish Request (ERQ)

AAL2SIGAAL2SIG


RRC C ti S t


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UE Node-B RNC CN




RRC Connection Setup (FACH)

RRC RRC

RRC RRC

Establish Request (ERQ) AAL2SIGAAL2SIG


RRC C ti S t


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UE Node-B RNC CN

RRC Connection Setup (FACH)RRC RRC

UE IEs

RB IEs

TrCH IEs: UL/DL

PhyCH IEs: UL/DL

Initial UE ID

RRC Transaction ID

Activation Time

New U-RNTI

New C-RNTI

UTRAN DRX cycle

length coefficient

RRC State Indicator

Capability updaterequirement

IMSI / TMSI and LAI /P-TMSI and RAI/ IMEI

0..3

absolute CFN (0..255); default: now

CELL_DCH/CELL_FACH/CELL_PCH/URA_PCH

3..9

UE radio access FDD: TRUE/FALSUE radio access TDD: TRUE/FALSenumerated: GSM (optional)

RNC-ID , S-RNTI

(optional)

Signalling RBinformationto setup list

Signalling RBInformation

to setup

RB identity

CHOICE RLCinfo type

RLC info

Same as RB

RB mapping info

RRC C ti S t


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UE Node-B RNC CN

RRC Connection Setup (FACH)RRC RRC

UE IEs

RB IEs

TrCH IEs: UL/DL

PhyCH IEs: UL/DL Added or ReconfiguredTrCH information list

UL/DL Transport channelinformation common for

all transport channels

Added or ReconfiguredUL/DL TrCH information

optional:UARFCN uplink and downlinkdefault: operating band

Frequency Info

UL radio resources

DL radio resources

RRC Connection Setup Complete


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RRC Connection

Setup

Phase

RRC Connection

AccessPhase


UE Node-B RNC CN




RRC Connection Setup Complete (DCH)


RRC RRC

RRCRRC

RRC RRC



Establish Request (ERQ)AAL2SIGAAL2SIG




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UE Node-B RNC CN

RRC Connection Setup Complete (DCH)RRCRRC

Release 99

Capabilities: PDCP, RLC, TrCHFDD RF, TDD RF, PhyCH,UE multi-mode/multi-RAT,security, UE positioning,measurement

0..3

1..maxCNdomains (4)

CS domain / PS domain

used to initialise the 20 MSBs ofall hyperframe numbers

OP

UE IEs

Other IEsRRC Transaction ID

START list

CN domainidentity

START

UE radio accesscapability

UE radio accesscapability extension

UE system specificcapability

Inter-RAT UEradio access

capability

1 to InterSysMessages (4)

GSM MS Classmark 2 /GSM MS Classmark 3

OP


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UE Node-B RNC CN


Binding ID

Transport Layer Address

DAID-Dest. sign. assoc. ident

Path IdentifierChannel identifier (CID), Path ID

NSEA-Dest. NSAP serv. endpoint addr

Signalling association identifier

Binding ID



Channel IDs organise the AAL type 2

minipacket flow in the VCC:CID: 0 ... 7 reservedCID: 8 ... 255 for external use

AAL type 2 path ID

has to be identical at

both ends of a VCC


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Example ofRRC Connection and Transport Setup Phase



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RRC Connection

Setup

Phase

RRC Connection

AccessPhase


UE Node-B RNC CN

RRC Connection Setup Request (RACH)



RRC Connection Setup Complete (DCH)


Establish Request (ERQ)ALCAP

ALCAP

Establish Confirm (ECF)ALCAPALCAP



RRC RRC

RRCRRC

RRC RRC

Binding ID

Transport

Address

CID

Path ID

Transport

Address


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Radio Link Setup ResponseRADIO LINK SETUP RESPONSE

NBAP-PDUsuccessfulOutcome

- procedureCode: 9

- criticality: reject

- messageDiscriminator: common

successfulOutcomeRadioLinkSetupResponse

protocolIEs

- id: 43

- criticality: ignore

CRNC-CommunicationContextID: 1033- id: 73


NodeB-CommunicationContextID: 160010

- id: 111

- criticality: ignoreRadioLinkInformationList-RL-SetupRsp

- id: 101


RadioLinkInformationItem-RL-SetupRsp

- rL-ID: 1- diversityIndication: mdc-is-done-at-rnc

dCH-Information-RL-SetupRsp

- id: 52


DCH-List-RL-SetupRspDCH-List-Item-RL-SetupRsp

- dCH-ID: 24

- bindingID: '00000003'H

transportLayerAddress

- non-extended:'4900123020FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF'H- id: 142


TrafficTP-ID: 1

Transport Layer Address Format (A2EA)

Structure in RN 1.5 level is 49 + BTS ID + WAM serial number

Structure in RN 2.0 level is 49 + BTS ID + WAM physical number + 0

49 + XXXXX + XXX

Binding ID

Establish Request message


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Establish Request messageDAID-Dest. sign. assoc. ident.: 00 00 00 00

- Message's Compatibility: 00h

Pass-on not possible:- Do not send notification

- Pass on message or parameter

General action:

- Do not send notification

- Pass on message or parameterCEID-Connection element ident.

- Parameter's Compatibility: 00h

Pass-on not possible:


- Pass on message or parameterGeneral action:



Parameter length: 5 (05h)

- Path identifier: 1001 (3E9h)

- Channel identifier: 12 (Ch)

NSEA-Dest. NSAP serv. endpoint addr.




- Discard parameter

General action:


- Pass on message or parameterParameter length: 20 (14h)

- Address: 49 00 12 30 20 FF FF FF FF

FF FF FF FF FF FF FF FF FF FF FF

LC-Link Charactreristics

- Parameter's Compatibility: 00hPass-on not possible:



General action:



Parameter length: 12 (0Ch)

- Maximum forward CPS-SDU bit rate: 312 (138h)

- Maximum backwards CPS-SDU bit rate: 334 (14Eh)

- Average forward CPS-SDU bit rate: 300 (12Ch)

- Average backwards CPS-SDU bit rate: 325 (145h)

- Maximum forward CPS-SDU size: 24 (18h)

- Maximum backwards CPS-SDU size: 26 (1Ah)

- Average forward CPS-SDU size: 24 (18h)

- Average backwards CPS-SDU size: 26 (1Ah)

OSAID-Orig. sign. assoc. ident.




- Pass on message or parameterGeneral action:




- Signalling associationidentifier: 45 10 1A 00

SUGR-Served user gen. referen





General action:




- Field: 00 00 00 03

Binding ID

QoS rate & SDU

Path ID

CID

Establish Confirm message


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Establish Confirm message

DAID-Dest. sign. assoc. ident.: 45 10 1A 00

- Message's Compatibility: 00hPass-on not possible:



General action:



OSAID-Orig. sign. assoc. ident.





General action:




- Signalling association identifier: 00 00 00 09


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RRC Connection Phase (Reference)


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RRC Connection Phase (Reference)UE Node-B RNC


NoCounter

Name Explanation

M1001C0RRC CONN

SETUP ATT

A number of RRC

connection setup

attempts.

No Attempt Counter Name No Attempt Counter Name

M1001C22 MOBILE ORIGINATING CONVERSATIONAL CALL ATTEMPTS M1001C42

M1001C44

M1001C46

M1001C48

M1001C30 MOBILE Originating Subscribed traffic Call ATTEMPTS M1001C50 MOBILE Originating High Priority Signalling ATTEMPTS

M1001C32 MOBILE Terminating Conversational Call ATTEMPTS M1001C52 MOBILE Terminating High Priority Signalling ATTEMPTS

M1001C34 MOBILE Terminating Streaming Call ATTEMPTS M1001C54 MOBILE Originating Low Priority Signalling ATTEMPTS

M1001C56

M1001C58

M1001C60

M1001C24 MOBILE ORIGINATING STREAMING CALL ATTEMPTS

Inter-RAT cell re-selection ATTEMPTS

Inter-RAT cell change order ATTEMPTS

Registration ATTEMPTS

Detach ATTEMPTS

MOBILE Terminating Low Priority Signalling ATTEMPTS

Call re-establishment ATTEMPTS

M1001C28 MOBILE Originating Background Call ATTEMPTS

Terminating cause unknown ATTEMPTS

M1001C36 MOBILE Terminating Interactive Call ATTEMPTS

M1001C38 MOBILE Terminating Background Call ATTEMPTS

M1001C26 MOBILE Originating Interactive Call ATTEMPTS

M1001C40 Emergency Call ATTEMPTS

Counters RRC CONN SETUP ATT ( Attempt for RRC Setup Causes)



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Counters of RRC Connection

Setup Failures

NBAP Radio Link Setup

ALCAP Transport Bearer Setup

RRC Connection SetupRRC RRC

No Counter Name Explanation

Rejection cause in

RRC Connection

Reject message

M1001C2RRC CONN SETUP FAIL DUE TO

HCA number of RRC connection setup failures caused by HC. Unspecified

M1001C3

RRC CONN SETUP FAIL DUE TO

AC A number of RRC connection setup failures caused by AC. Congestion


BTS

A number of RRC connection setup failures caused by a BTS.When

the BTS rejects an initial RL setup.Unspecified


TRANS

A number of RRC connection setup failures caused by a

transmission.Unspecified

M1001C6

RRC CONN SETUP FAIL DUE TO

RNC INTER REASONS

A number of RRC connection setup failures caused by RNC's

internal reasons. (e.g. parameter mismatch, timer expiry). Unspecified


FROZEN BTS

A number of RRC connection setup failures caused by a frozen BTS.

Frozen BTS means that currently no new RRC connections are

allowed.

Unspecified

SETUP



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SETUP



RRCRRC

RRC RRC


NBAP SynchronisationAccess

Counters of RRC Connection

Access Failures

No Counter Name Explanation

M1001C9RRC CONN ACC FAIL DUE TO

RADIO INT SYNCH

The number of RRC connection access failures caused by a lack of radio interface

synchronisation. The RRC connection access is considered a failure if the UE loses DL

synchronization before sending RRC Connection Setup Complete message to RNC.

M1001C10RRC CONN ACC FAIL DUE TO UU

INT

A number of RRC connection access failures caused by the UU interface. When the RNC does

not receive RRC_CONNECTION_COMPLETE from the UE

M1001C11RRC CONN ACC FAIL DUE TO

RNC INTER REASONS

A number of RRC connection access failures caused by RNC's internal reasons. (e.g.

parameter mismatch, timer expiry).



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( )

NoCounter

NameExplanation

M1001C8RRC CONN

ACC COMP

A number of RRC

connection access

completions.

UE Node-B RNC


SETUP



RRCRRC

RRC RRC


NBAP SynchronisationAccess

Active

RRCRRCRRC: Initial Direct Transfer

AAL2 Connection Release NoCounter

NameExplanation

M1001C12

RRC CONN

ACTIVE

COMP

A number of RRC

connection active

completions.


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Iu-CS Call Setup

Service Request Phase


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Service Request Phase


ServiceRequest

RadioAccessBearer

Paging


Setup AccessActive

RRCConnection

Iu-CS Call Setup (Service Request)


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UE RNC CN


Initial Direct Transfer

CM Service RequestRRC RRC

Initial UE MessageCM Service Request

RANAPRANAP

Node-B

Common IDRANAPRANAP

Security Mode Command

Uplink Direct Transfer (Set up)RRC RRC

Direct Transfer (Setup) RANAPRANAP

Direct Transfer

( Call Proceeding)RANAPRANAP

Downlink Direct Transfer (Call Proceeding)RRC RRC

RAB Setup Phase


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RAB Setup Phase


ServiceRequest

RadioAccessBearer

Paging


Setup Access Active

RRCConnection

Iu-CS Call Setup (RAB Setup)


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UE Node-B RNC

RRC Connection & Service Request Phase

RAB Assignment RequestRANAPRANAP

RAB Assignment ResponseRANAPRANAP

MEGACO*

Radio Bearer SetupRRC RRC

Radio Bearer Setup complete

RRC RRC

CN

Establish Request/Confirm

(RNC and MGW)

AAL2SIGAAL2SIG

Radio Link Reconfiguration PrepareNBAPNBAP

Radio Link Reconfiguration Commit NBAPNBAP

Radio Link Reconfiguration ReadyNBAPNBAP

Establish Request/ConfirmAAL2SIGAAL2SIG

UE-CN signalling


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UE Node-B RNC

RRC Connection & Service Request Phase

DL Direct TransferRANAPRANAP

DL Direct Transfer: AltertingRRC RRC

CN

DL Direct Transfer: ConnectRANAPRANAP

DL Direct Transfer: ConnectRRC RRC

Uplink Direct Transfer (Connect Acknowledge)RRC RRC

UL Direct Transfer RANAPRANAP

Alerting

Connect

Connect Acknowledge

Call Establishment

Service Release


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UE Node-B RNC CN

Call Establishment

Uplink Direct Transfer (Disconnect)RRC RRC

UL Direct TransferRANAPRANAP Disconnect

DL Direct Transfer: ConnectRANAPRANAP

DL Direct Transfer: ReleaseRRC RRC

Release

Uplink Direct Transfer (Release Complete)RRC RRC

UL Direct TransferRANAPRANAP Complete

Iu Release CommandRANAPRANAP

Iu Release CompleteRANAPRANAP

RRC Connection Release and RL Deletion

RRC Connection Release and Radio Link Deletion


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UE Node-B RNC CN

Service Release

RRC Connection ReleaseRRC RRC

RRC Connection Release Complete: three timesRRC RRC

AAL2SIGAAL2SIG

Radio Link Deletion RequestNBAPNBAP

Radio Link Deletion Response NBAPNBAP

Release Request/ResponseAAL2SIGAAL2SIG

Release Request/Response

Call Released


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THANKS!

Date post:	03-Jun-2018
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