Utran example call_flows

1. June 9, 2005 Confidential1 Alexander Seifarth
UTRAN Example Call Flows
Layer 3 Call Flows UTRAN
Alexander Seifarth © 2005

2. June 9, 2005 Confidential2 Alexander Seifarth
1. CS Mobility Handling

3. June 9, 2005 Confidential3 Alexander Seifarth
1. CS Mobility Handling
1.1. Normal Location Area Update in state CELL_DCH

4. 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 RequestALCAP
Establishment ConfirmALCAP
RRC Connection SetupRRC (FACH)
RRC Connection Setup CompleteRRC (DCH)
Radio Link Restore IndicationNBAP

5. 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)

6. 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 Updating
Accept
Uplink Direct TransferRRC (DCH)
-- MM-message: TMSI Reallocation Complete Direct TransferRANAP
-- MM-msg.: TMSI Realloc. COM
Iu Release CMDRANAP
Iu Release COMRANAP
RRC Connection ReleaseRRC (DCH)
RRC Connection Release CompleteRRC (DCH)
Radio Link Deletion RequestNBAP
Radio Link Deletion ResponseNBAP
Release RequestALCAP
Release ConfirmALCAP

7. June 9, 2005 Confidential7 Alexander Seifarth
1. CS Mobility Handling
1.2 Normal Location Area Update in state CELL_FACH

8. 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 Request
Initial UE MessageRANAP
-- MM-msg.: Location Updating
Request
-- MM-message: Authentication Request
Direct TransferRANAP
-- MM-msg.: Authentication Req.
Uplink Direct TransferRRC (RACH)
-- MM-message: Authentication Response
Direct TransferRANAP
-- MM-msg.: Authentication Resp.
Security Mode CMDRANAP
Security Mode COMRANAP
Security Mode CommandRRC (FACH)
Security Mode CompleteRRC (RACH)

9. 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 Updating
Accept
Uplink Direct TransferRRC (RACH)
-- MM-message: TMSI Reallocation Complete Direct TransferRANAP
-- MM-msg.: TMSI Realloc. COM
Iu Release CMDRANAP
Iu Release COMRANAP
RRC Connection ReleaseRRC (FACH)
RRC Connection Release CompleteRRC (RACH)

10. June 9, 2005 Confidential10 Alexander Seifarth
1. CS Mobility Handling
1.3 IMSI Detach in CELL_DCH

11. 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 RequestALCAP
Establishment ConfirmALCAP
RRC Connection SetupRRC (FACH)
RRC Connection Setup CompleteRRC (DCH)
Radio Link Restore IndicationNBAP

12. 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 RequestALCAP
Release ConfirmALCAP

13. June 9, 2005 Confidential13 Alexander Seifarth
2. CS Call
2.1 MOC started in IDLE mode

14. 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 RequestALCAP
Establishment ConfirmALCAP
RRC Connection SetupRRC (FACH)
RRC Connection Setup CompleteRRC (DCH)
Radio Link Restore IndicationNBAP

15. 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)

16. 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 Assignment
RequestRANAP
Radio Link Reconfiguration
PrepareNBAP
Radio Link Reconf. ReadyNBAP
Establishment RequestALCAP
Establishment ConfirmALCAP
Radio Link Reconf. CommitNBAP
Radio Bearer SetupRRC (DCH)
Radio Bearer Setup CompleteRRC (DCH)
ALCAP
Establishment Confirm ALCAP
Establishment Request
RAB Assignment
ResponseRANAP

17. 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

18. June 9, 2005 Confidential18 Alexander Seifarth
2. CS Call
2.2 Mobile Terminated Call for IDLE mode UE

19. 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 RequestALCAP
Establishment ConfirmALCAP
RRC Connection SetupRRC (FACH)
RRC Connection Setup CompleteRRC (DCH)
Radio Link Restore IndicationNBAP
Paging Type 1RRC (PCH)
PagingRANAP

20. 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)

21. June 9, 2005 Confidential21 Alexander Seifarth
2.2 MTC for IDLE mode UE (2)
MSCRNCNode BUE
Upink Direct TransferRRC (DCH)
-- CC-message: Call Confirmed
Direct TransferRANAP
-- CC-msg.: Call Confirmed
Downlink Direct TransferRRC (DCH)
-- CC-message: Setup
Direct TransferRANAP
-- CC-msg.: Setup
RAB Assignment
RequestRANAP
Radio Link Reconfiguration
PrepareNBAP
Radio Link Reconf. ReadyNBAP
Establishment RequestALCAP
Establishment ConfirmALCAP
Radio Link Reconf. CommitNBAP
Radio Bearer SetupRRC (DCH)
Radio Bearer Setup CompleteRRC (DCH)
ALCAP
Establishment Confirm ALCAP
Establishment Request
RAB Assignment
ResponseRANAP

22. June 9, 2005 Confidential22 Alexander Seifarth
2.2 MTC for IDLE mode UE (3)
MSCRNCNode BUE
Uplink Direct TransferRRC (DCH)
-- CC-message: Alerting
Direct TransferRANAP
-- CC-msg.: Alerting
Downlink Direct TransferRRC (DCH)
-- CC-message: Connect Acknowledge
Direct TransferRANAP
-- CC-msg.: Connect Acknowledge
Uplink Direct TransferRRC (DCH)
-- CC-message: Connect
Direct TransferRANAP
-- CC-msg.: Connect
call active

23. June 9, 2005 Confidential23 Alexander Seifarth
3. PS Mobility Management

24. June 9, 2005 Confidential24 Alexander Seifarth
3. PS Mobility Management
3.1 GPRS Attach in CELL_FACH

25. 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 Request
Initial UE MessageRANAP
-- GMM-msg.: Attach Request
-- GMM-message: Authentication and Ciphering Request
Direct TransferRANAP
-- GMM-msg.: Authentication And
Ciphering Req.
Uplink Direct TransferRRC (RACH)
-- GMM-message: Authentication And Ciphering Response
Direct TransferRANAP
-- GMM-msg.: Authentication And
Ciphering Resp.
Security Mode CMDRANAP
Security Mode COMRANAP
Security Mode CommandRRC (FACH)
Security Mode CompleteRRC (RACH)

26. 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 COMRANAP
RRC Connection ReleaseRRC (DCH)
RRC Connection Release CompleteRRC (DCH)

27. June 9, 2005 Confidential27 Alexander Seifarth
3. PS Mobility Management
3.2 GPRS Detach while UE already connected in
CELL_DCH for CS services

28. 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 COMRANAP
Signalling Connection ReleaseRRC (DCH)

29. June 9, 2005 Confidential29 Alexander Seifarth
3. PS Mobility Management
3.3 Routing Area Update in CELL_DCH

30. 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 RequestALCAP
Establishment ConfirmALCAP
RRC Connection SetupRRC (FACH)
RRC Connection Setup CompleteRRC (DCH)
Radio Link Restore IndicationNBAP

31. 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 And
Ciphering 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)

32. 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 Update
Accept
Uplink Direct TransferRRC (DCH)
-- GMM-message: Routing Area Update Complete Direct TransferRANAP
-- GMM-msg.: Routing Area
Update Complete
Iu Release CMDRANAP
Iu Release COMRANAP
RRC Connection ReleaseRRC (DCH)
RRC Connection Release CompleteRRC (DCH)
Radio Link Deletion RequestNBAP
Radio Link Deletion ResponseNBAP
Release RequestALCAP
Release ConfirmALCAP

33. June 9, 2005 Confidential33 Alexander Seifarth
4. Session Management

34. June 9, 2005 Confidential34 Alexander Seifarth
4. Session Management
4.1 PDP Context Establishment 1 (High Bit Rate QoS, no
traffic)

35. 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 RequestALCAP
Establishment ConfirmALCAP
RRC Connection SetupRRC (FACH)
RRC Connection Setup CompleteRRC (DCH)
Radio Link Restore IndicationNBAP

36. 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.

37. June 9, 2005 Confidential37 Alexander Seifarth
4.1. PDP Context Establishment 1 (3)
RNC
RAB Assignment
RequestRANAP
Radio Link Reconfiguration
PrepareNBAP
Radio Link Reconf. ReadyNBAP
Establishment RequestALCAP
Establishment ConfirmALCAP
Radio Link Reconf. CommitNBAP
Radio Bearer SetupRRC (DCH)
Radio Bearer Setup CompleteRRC (DCH) RAB Assignment
ResponseRANAP
Downlink Direct TransferRRC (DCH)
-- SM-message: Activate PDP Context Accept
Direct TransferRANAP
-- SM-msg.: Activate PDP Context
Accept
SGSN

38. 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 COMRANAP
RRC Connection ReleaseRRC (DCH)
RRC Connection Release CompleteRRC (DCH)
Radio Link Deletion RequestNBAP
Radio Link Deletion ResponseNBAP
Release RequestALCAP
Release ConfirmALCAP
2x

39. June 9, 2005 Confidential39 Alexander Seifarth
4. Session Management
4.2 PDP Context Activation 2 – ( High bit rate, active
data transfer)

40. 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 RequestALCAP
Establishment ConfirmALCAP
RRC Connection SetupRRC (FACH)
RRC Connection Setup CompleteRRC (DCH)
Radio Link Restore IndicationNBAP

41. 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.

42. June 9, 2005 Confidential42 Alexander Seifarth
4.2 PDP Context Establishment 2 (3)
RNC
RAB Assignment
RequestRANAP
Radio Link Reconfiguration
PrepareNBAP
Radio Link Reconf. ReadyNBAP
Establishment RequestALCAP
Establishment ConfirmALCAP
Radio Link Reconf. CommitNBAP
Radio Bearer SetupRRC (DCH)
Radio Bearer Setup CompleteRRC (DCH) RAB Assignment
ResponseRANAP
Downlink Direct TransferRRC (DCH)
-- SM-message: Activate PDP Context Accept
Direct TransferRANAP
-- SM-msg.: Activate PDP Context
Accept
SGSN

43. June 9, 2005 Confidential43 Alexander Seifarth
4.2 PDP Context Establishment 2 (4)
RNC
Radio Bearer ReconfigurationRRC (DCH)
Radio Bearer Reconfiguration CompleteRRC (RACH)
SGSN