utran example call_flows

June 9, 2005 Confidential1 Alexander Seifarth

UTRAN Example Call Flows

Layer 3 Call Flows UTRAN

Alexander Seifarth © 2005

June 9, 2005 Confidential2 Alexander Seifarth

1. CS Mobility Handling

June 9, 2005 Confidential3 Alexander Seifarth

1. CS Mobility Handling

1.1. Normal Location Area Update in state CELL_DCH

June 9, 2005 Confidential4 Alexander Seifarth

1.1 Location Area Update on CELL_DCH (1)

MSCRNCNode BUE

RRC Connection RequestRRC (RACH)

Radio Link Setup RequestNBAP

Radio Link Setup ResponseNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

RRC Connection SetupRRC (FACH)

RRC Connection Setup CompleteRRC (DCH)

Radio Link Restore IndicationNBAP

June 9, 2005 Confidential5 Alexander Seifarth

1.1 Location Area Update on CELL_DCH (2)

MSCRNCNode BUE

Initial Direct TransferRRC (DCH)

Downlink Direct TransferRRC (DCH)

-- MM-message: Location Updating Request Initial UE MessageRANAP

-- MM-msg.: Location Updating Request

-- MM-message: Authentication Request

Direct TransferRANAP

-- MM-msg.: Authentication Req.

Uplink Direct TransferRRC (DCH)

-- MM-message: Authentication Response Direct TransferRANAP

-- MM-msg.: Authentication Resp.

Security Mode CMDRANAP

Security Mode COMRANAP

Security Mode CommandRRC (DCH)

Security Mode CompleteRRC (DCH)

June 9, 2005 Confidential6 Alexander Seifarth

1.1 Location Area Update on CELL_DCH (3)

MSCRNCNode BUE

Downlink Direct TransferRRC (DCH)

-- MM-message: Location Updating Accept

Direct TransferRANAP

-- MM-msg.: Location UpdatingAccept

Uplink Direct TransferRRC (DCH)

-- MM-message: TMSI Reallocation Complete Direct TransferRANAP

-- MM-msg.: TMSI Realloc. COM

Iu Release CMDRANAP

Iu Release COMRANAPRRC Connection ReleaseRRC (DCH)

RRC Connection Release CompleteRRC (DCH)

Radio Link Deletion RequestNBAP

Radio Link Deletion ResponseNBAP

Release RequestALCAPRelease ConfirmALCAP

June 9, 2005 Confidential7 Alexander Seifarth

1. CS Mobility Handling

1.2 Normal Location Area Update in state CELL_FACH

June 9, 2005 Confidential8 Alexander Seifarth

1.2 Location Area Update in CELL_FACH (1)

MSCRNCNode BUE

RRC Connection RequestRRC (RACH)

RRC Connection SetupRRC (FACH)

RRC Connection Setup CompleteRRC (RACH)

Initial Direct TransferRRC (RACH)

Downlink Direct TransferRRC (FACH)

-- MM-message: Location Updating RequestInitial UE MessageRANAP

-- MM-msg.: Location Updating Request

-- MM-message: Authentication Request

Direct TransferRANAP

-- MM-msg.: Authentication Req.

Uplink Direct TransferRRC (RACH)

-- MM-message: Authentication ResponseDirect TransferRANAP

-- MM-msg.: Authentication Resp.

Security Mode CMDRANAP

Security Mode COMRANAP

Security Mode CommandRRC (FACH)

Security Mode CompleteRRC (RACH)

June 9, 2005 Confidential9 Alexander Seifarth

1.2 Location Area Update in CELL_FACH (2)

MSCRNCNode BUE

Downlink Direct TransferRRC (FACH)

-- MM-message: Location Updating Accept

Direct TransferRANAP

-- MM-msg.: Location UpdatingAccept

Uplink Direct TransferRRC (RACH)

-- MM-message: TMSI Reallocation Complete Direct TransferRANAP

-- MM-msg.: TMSI Realloc. COM

Iu Release CMDRANAP

Iu Release COMRANAPRRC Connection ReleaseRRC (FACH)

RRC Connection Release CompleteRRC (RACH)

June 9, 2005 Confidential10 Alexander Seifarth

1. CS Mobility Handling

1.3 IMSI Detach in CELL_DCH

June 9, 2005 Confidential11 Alexander Seifarth

1.3 IMSI Detach in CELL_DCH (1)

MSCRNCNode BUE

RRC Connection RequestRRC (RACH)

Radio Link Setup RequestNBAP

Radio Link Setup ResponseNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

RRC Connection SetupRRC (FACH)

RRC Connection Setup CompleteRRC (DCH)

Radio Link Restore IndicationNBAP

June 9, 2005 Confidential12 Alexander Seifarth

1.3 IMSI Detach in CELL_DCH (2)

MSCRNCNode BUE

Initial Direct TransferRRC (DCH)

-- MM-message: IMSI Detach Indication Initial UE MessageRANAP

-- MM-msg.: IMSI Detach Indication

Connection RefusedSCCP

RRC Connection ReleaseRRC (DCH)

RRC Connection Release CompleteRRC (DCH)

Radio Link Deletion RequestNBAP

Radio Link Deletion ResponseNBAP

Release RequestALCAPRelease ConfirmALCAP

June 9, 2005 Confidential13 Alexander Seifarth

2. CS Call

2.1 MOC started in IDLE mode

June 9, 2005 Confidential14 Alexander Seifarth

2.1. MOC started in IDLE mode (1)

MSCRNCNode BUE

RRC Connection RequestRRC (RACH)

Radio Link Setup RequestNBAP

Radio Link Setup ResponseNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

RRC Connection SetupRRC (FACH)

RRC Connection Setup CompleteRRC (DCH)

Radio Link Restore IndicationNBAP

June 9, 2005 Confidential15 Alexander Seifarth

2.1. MOC started in IDLE mode (2)

MSCRNCNode BUE

Initial Direct TransferRRC (DCH)

Downlink Direct TransferRRC (DCH)

-- MM-message: CM Service Request Initial UE MessageRANAP

-- MM-msg.: CM Service Request

-- MM-message: Authentication Request

Direct TransferRANAP

-- MM-msg.: Authentication Req.

Uplink Direct TransferRRC (DCH)

-- MM-message: Authentication Response Direct TransferRANAP

-- MM-msg.: Authentication Resp.

Security Mode CMDRANAP

Security Mode COMRANAP

Security Mode CommandRRC (DCH)

Security Mode CompleteRRC (DCH)

June 9, 2005 Confidential16 Alexander Seifarth

2.1. MOC started in IDLE mode (3)

MSCRNCNode BUE

Downlink Direct TransferRRC (DCH)

-- CC-message: Call Proceeding

Direct TransferRANAP

-- CC-msg.: Call Proceeding

Uplink Direct TransferRRC (DCH)

-- CC-message: Setup Direct TransferRANAP

-- CC-msg.: Setup

RAB AssignmentRequestRANAP

Radio Link Reconfiguration PrepareNBAP

Radio Link Reconf. ReadyNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

Radio Link Reconf. CommitNBAP

Radio Bearer SetupRRC (DCH)

Radio Bearer Setup CompleteRRC (DCH)

ALCAP

Establishment ConfirmALCAP

Establishment Request

RAB AssignmentResponseRANAP

June 9, 2005 Confidential17 Alexander Seifarth

2.1. MOC started in IDLE mode (4)

MSCRNCNode BUE

Downlink Direct TransferRRC (DCH)

-- CC-message: Alerting

Direct TransferRANAP

-- CC-msg.: Alerting

Uplink Direct TransferRRC (DCH)

-- CC-message: Connect Acknowledge Direct TransferRANAP

-- CC-msg.: Connect Acknowledge

Downlink Direct TransferRRC (DCH)

-- CC-message: Connect

Direct TransferRANAP

-- CC-msg.: Connect

call active

June 9, 2005 Confidential18 Alexander Seifarth

2. CS Call

2.2 Mobile Terminated Call for IDLE mode UE

June 9, 2005 Confidential19 Alexander Seifarth

2.2 MTC for IDLE mode UE (1)

MSCRNCNode BUE

RRC Connection RequestRRC (RACH)

Radio Link Setup RequestNBAP

Radio Link Setup ResponseNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

RRC Connection SetupRRC (FACH)

RRC Connection Setup CompleteRRC (DCH)

Radio Link Restore IndicationNBAP

Paging Type 1RRC (PCH)PagingRANAP

June 9, 2005 Confidential20 Alexander Seifarth

2.2 MTC for IDLE mode UE (2)

MSCRNCNode BUE

Initial Direct TransferRRC (DCH)

Downlink Direct TransferRRC (DCH)

-- RR-message: Paging Response Initial UE MessageRANAP

-- RR-msg.: Paging Response

-- MM-message: Authentication Request

Direct TransferRANAP

-- MM-msg.: Authentication Req.

Uplink Direct TransferRRC (DCH)

-- MM-message: Authentication Response Direct TransferRANAP

-- MM-msg.: Authentication Resp.

Security Mode CMDRANAP

Security Mode COMRANAP

Security Mode CommandRRC (DCH)

Security Mode CompleteRRC (DCH)

June 9, 2005 Confidential21 Alexander Seifarth

2.2 MTC for IDLE mode UE (2)

MSCRNCNode BUE

Upink Direct TransferRRC (DCH)

-- CC-message: Call ConfirmedDirect TransferRANAP

-- CC-msg.: Call Confirmed

Downlink Direct TransferRRC (DCH)

-- CC-message: Setup

Direct TransferRANAP

-- CC-msg.: Setup

RAB AssignmentRequestRANAP

Radio Link Reconfiguration PrepareNBAP

Radio Link Reconf. ReadyNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

Radio Link Reconf. CommitNBAP

Radio Bearer SetupRRC (DCH)

Radio Bearer Setup CompleteRRC (DCH)

ALCAP

Establishment ConfirmALCAP

Establishment Request

RAB AssignmentResponseRANAP

June 9, 2005 Confidential22 Alexander Seifarth

2.2 MTC for IDLE mode UE (3)

MSCRNCNode BUE

Uplink Direct TransferRRC (DCH)

-- CC-message: AlertingDirect TransferRANAP

-- CC-msg.: Alerting

Downlink Direct TransferRRC (DCH)

-- CC-message: Connect Acknowledge

Direct TransferRANAP

-- CC-msg.: Connect Acknowledge

Uplink Direct TransferRRC (DCH)

-- CC-message: ConnectDirect TransferRANAP

-- CC-msg.: Connect

call active

June 9, 2005 Confidential23 Alexander Seifarth

3. PS Mobility Management

June 9, 2005 Confidential24 Alexander Seifarth

3. PS Mobility Management

3.1 GPRS Attach in CELL_FACH

June 9, 2005 Confidential25 Alexander Seifarth

3.1. GPRS Attach in CELL_FACH (1)

SGSNRNCNode BUE

RRC Connection RequestRRC (RACH)

RRC Connection SetupRRC (FACH)

RRC Connection Setup CompleteRRC (RACH)

Initial Direct TransferRRC (RACH)

Downlink Direct TransferRRC (FACH)

-- GMM-message: Attach RequestInitial UE MessageRANAP

-- GMM-msg.: Attach Request

-- GMM-message: Authentication and Ciphering Request

Direct TransferRANAP

-- GMM-msg.: Authentication AndCiphering Req.

Uplink Direct TransferRRC (RACH)

-- GMM-message: Authentication And Ciphering ResponseDirect TransferRANAP

-- GMM-msg.: Authentication AndCiphering Resp.

Security Mode CMDRANAP

Security Mode COMRANAP

Security Mode CommandRRC (FACH)

Security Mode CompleteRRC (RACH)

June 9, 2005 Confidential26 Alexander Seifarth

3.1. GPRS Attach in CELL_FACH (2)

SGSNRNCNode BUE

Downlink Direct TransferRRC (FACH)

-- GMM-message: Attach Accept

Direct TransferRANAP

-- GMM-msg.: Attach Accept

Uplink Direct TransferRRC (RACH)

-- GMM-message: Attach Complete Direct TransferRANAP

-- GMM-msg.: Attach Complete

Iu Release CMDRANAP

Iu Release COMRANAPRRC Connection ReleaseRRC (DCH)

RRC Connection Release CompleteRRC (DCH)

June 9, 2005 Confidential27 Alexander Seifarth

3. PS Mobility Management

3.2 GPRS Detach while UE already connected in CELL_DCH for CS services

June 9, 2005 Confidential28 Alexander Seifarth

3.2 GPRS Detach - UE already in CELL_DCH (1)

SGSNRNCNode BUE

Initial Direct TransferRRC (DCH)

Downlink Direct TransferRRC (DCH)

-- GMM-message: Detach Request Initial UE MessageRANAP

-- GMM-msg.: Detach Request

-- GMM-message: Detach Accept

Direct TransferRANAP

-- GMM-msg.: Detach Accept

Security Mode CMDRANAP

Security Mode COMRANAP

Security Mode CommandRRC (DCH)

Security Mode CompleteRRC (DCH)

Iu Release CMDRANAP

Iu Release COMRANAPSignalling Connection ReleaseRRC (DCH)

June 9, 2005 Confidential29 Alexander Seifarth

3. PS Mobility Management

3.3 Routing Area Update in CELL_DCH

June 9, 2005 Confidential30 Alexander Seifarth

3.3 Routing Area Update in CELL_DCH (1)

SGSNRNCNode BUE

RRC Connection RequestRRC (RACH)

Radio Link Setup RequestNBAP

Radio Link Setup ResponseNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

RRC Connection SetupRRC (FACH)

RRC Connection Setup CompleteRRC (DCH)

Radio Link Restore IndicationNBAP

June 9, 2005 Confidential31 Alexander Seifarth

3.3 Routing Area Update in CELL_DCH (2)

SGSNRNCNode BUE

Initial Direct TransferRRC (DCH)

Downlink Direct TransferRRC (DCH)

-- GMM-message: Routing Area Update Request Initial UE MessageRANAP

-- GMM-msg.: Routing Area Update Request

-- GMM-message: Authentication And Ciphering Request

Direct TransferRANAP

-- GMM-msg.: Authentication AndCiphering Req.

Uplink Direct TransferRRC (DCH)

-- GMM-message: Authentication And Ciphering Response Direct TransferRANAP

-- GMM-msg.: Auth. And Ciph. Resp.

Security Mode CMDRANAP

Security Mode COMRANAP

Security Mode CommandRRC (DCH)

Security Mode CompleteRRC (DCH)

June 9, 2005 Confidential32 Alexander Seifarth

3.3 Routing Area Update in CELL_DCH (3)

SGSNRNCNode BUE

Downlink Direct TransferRRC (DCH)

-- GMM-message: Routing Area Update Accept

Direct TransferRANAP

-- GMM-msg.: Routing Area UpdateAccept

Uplink Direct TransferRRC (DCH)

-- GMM-message: Routing Area Update Complete Direct TransferRANAP

-- GMM-msg.: Routing AreaUpdate Complete

Iu Release CMDRANAP

Iu Release COMRANAPRRC Connection ReleaseRRC (DCH)

RRC Connection Release CompleteRRC (DCH)

Radio Link Deletion RequestNBAP

Radio Link Deletion ResponseNBAP

Release RequestALCAPRelease ConfirmALCAP

June 9, 2005 Confidential33 Alexander Seifarth

4. Session Management

June 9, 2005 Confidential34 Alexander Seifarth

4. Session Management

4.1 PDP Context Establishment 1 (High Bit Rate QoS, no traffic)

June 9, 2005 Confidential35 Alexander Seifarth

4.1. PDP Context Establishment 1 (1)

SGSNRNCNode BUE

RRC Connection RequestRRC (RACH)

Radio Link Setup RequestNBAP

Radio Link Setup ResponseNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

RRC Connection SetupRRC (FACH)

RRC Connection Setup CompleteRRC (DCH)

Radio Link Restore IndicationNBAP

June 9, 2005 Confidential36 Alexander Seifarth

4.1. PDP Context Establishment 1 (2)

SGSNRNCNode BUE

Initial Direct TransferRRC (DCH)

-- GMM-message: Service Request Initial UE MessageRANAP

-- GMM-msg.: Service Request

Security Mode CMDRANAP

Security Mode COMRANAP

Security Mode CommandRRC (DCH)

Security Mode CompleteRRC (DCH)

Uplink Direct TransferRRC (DCH)

-- SM-message: Activate PDP Context Request Direct TransferRANAP

-- SM-msg.: Activate PDP C. Req.

June 9, 2005 Confidential37 Alexander Seifarth

4.1. PDP Context Establishment 1 (3)

RNC

RAB AssignmentRequestRANAP

Radio Link Reconfiguration PrepareNBAP

Radio Link Reconf. ReadyNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

Radio Link Reconf. CommitNBAP

Radio Bearer SetupRRC (DCH)

Radio Bearer Setup CompleteRRC (DCH) RAB AssignmentResponseRANAP

Downlink Direct TransferRRC (DCH)

-- SM-message: Activate PDP Context Accept

Direct TransferRANAP

-- SM-msg.: Activate PDP ContextAccept

SGSN

June 9, 2005 Confidential38 Alexander Seifarth

4.1. PDP Context Establishment 1 (4)

RNC

Radio Bearer ReleaseRRC (DCH)

Radio Bearer Release CompleteRRC (DCH)

SGSN

Iu Release CMDRANAP

Iu Release COMRANAPRRC Connection ReleaseRRC (DCH)

RRC Connection Release CompleteRRC (DCH)

Radio Link Deletion RequestNBAP

Radio Link Deletion ResponseNBAP

Release RequestALCAPRelease ConfirmALCAP

2x

June 9, 2005 Confidential39 Alexander Seifarth

4. Session Management

4.2 PDP Context Activation 2 – ( High bit rate, active data transfer)

June 9, 2005 Confidential40 Alexander Seifarth

4.2 PDP Context Establishment 2 (1)

SGSNRNCNode BUE

RRC Connection RequestRRC (RACH)

Radio Link Setup RequestNBAP

Radio Link Setup ResponseNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

RRC Connection SetupRRC (FACH)

RRC Connection Setup CompleteRRC (DCH)

Radio Link Restore IndicationNBAP

June 9, 2005 Confidential41 Alexander Seifarth

4.2 PDP Context Establishment 2 (2)

SGSNRNCNode BUE

Initial Direct TransferRRC (DCH)

-- GMM-message: Service Request Initial UE MessageRANAP

-- GMM-msg.: Service Request

Security Mode CMDRANAP

Security Mode COMRANAP

Security Mode CommandRRC (DCH)

Security Mode CompleteRRC (DCH)

Uplink Direct TransferRRC (DCH)

-- SM-message: Activate PDP Context Request Direct TransferRANAP

-- SM-msg.: Activate PDP C. Req.

June 9, 2005 Confidential42 Alexander Seifarth

4.2 PDP Context Establishment 2 (3)

RNC

RAB AssignmentRequestRANAP

Radio Link Reconfiguration PrepareNBAP

Radio Link Reconf. ReadyNBAP

Establishment RequestALCAPEstablishment ConfirmALCAP

Radio Link Reconf. CommitNBAP

Radio Bearer SetupRRC (DCH)

Radio Bearer Setup CompleteRRC (DCH) RAB AssignmentResponseRANAP

Downlink Direct TransferRRC (DCH)

-- SM-message: Activate PDP Context Accept

Direct TransferRANAP

-- SM-msg.: Activate PDP ContextAccept

SGSN

June 9, 2005 Confidential43 Alexander Seifarth

4.2 PDP Context Establishment 2 (4)

RNC

Radio Bearer ReconfigurationRRC (DCH)

Radio Bearer Reconfiguration CompleteRRC (RACH)

SGSN