Download - Wcdma callflow
- 1. WCDMA General Call Flow
2. WCDMA General Call Flow
- General service flow
- General call flow of CS
- General service procedure ofPS
3. MO Service Flow AS : PLMN Selection , Cell Selection , RRC Connection Setup , Iu Connection Setup MM Procedures of NAS : Attach , Security Functions , Location Management; Start Service : Call Control Procedures of CS , Section Management Procedures of PS ,set up the service bearer MM Procedures of NAS : Detach( include the IMSI Detach, GPRS Detach) AS : RRC Connection Release Switch on Switch off AS :RRC Non Access Stratum:MM/SM/CC/SMS AS : RANAP Iu Connection Release Finish Service: Call Control Procedures of CS , Section Management Procedures of PS, release the service bearer UTRAN CN 4. MT Service Flow AS : RRC Connection Setup MM Procedures of NAS : Security Functions; IDLE State: NAS: Paging Procedure initiated by CN Iu Connection Setup IDLE State: AS : RRC Non Access Stratum: MM/SM/CC/SMS AS : RANAP Start Service : Call Control Procedures of CS , or Section Management Procedures of PS, set up the service bearer AS RRC Connection Release Iu Connection Release Finish Service : Call Control Procedures of CS , or Section Management Procedures of PS, release the service bearer UTRAN CN 5. WCDMA General Call Flow
- General service flow
- General call flow of CS
- General service procedure ofPS
6. UE Call Another UE 1 CM Service request 2 Security Functions 3 Setup 5 Send Routing Information 6 Provide Roaming Number7 Provide Roaming Number Ack 9 Initial Address Message 10 Page Connecting 12 Setup 2 Security Functions 4 Call Proceeding 8 Send Routing Information Ack 11 Security Functions 13 CallConfirm HLR MSC/VLR MSC/VLR MO MT 7. UE Call PSTN 8. PSTN Call UE 9. WCDMA General Call Flow
- General service flow
- General call flow of CS
- General service procedure ofPS
10. AttachProcedure
- The CS procedures are similar to the PS in common procedures of Non Access Stratum. The following procedures mainly focus on the PS domain.
1 Attach Req 2 Identification Req/Rsp 3 Identity Req/Rsp 4 Authentication 4 Authentication 6 Update Location 7 Cancel Location / Ack 8 Insert Subscriber Data/Ack 10 Attach Accept 5 IMEI Check 5 IMEI Check 9 Update Location Ack 11 Attach Complete HLR New SGSN Old SGSN EIR 11. Service Request
- MS Initiated Service Request Procedure:
1 RRC Connection Setup 2 Service Request 3 Security Functions 3 Security Functions 5 RAB Assignment Req 6 RB Setup/ RB Setup Complete 8 SGSN-initiated PDP Context Modification 9 UE sends Uplink PDU 4 Service Accept 7 RAB Assignment Rsp UTRAN SGSN HLR GGSN 12. Section Management PDP Context Activation
- UE-initiated PDP Context Activation Procedure
1 Activate PDP Context Request 3 Invoke Trace 4 Create PDP Context Rsp 5 Activate PDP Context Accept UTRAN SGSN GGSN 2 Radio Access Bearer Setup 4 Create PDP Context Req 13. PDP Context Activation Procedure of the laterR99/R4 version
- UE-initiated PDP Context Activation Procedure
1 Activate PDP Context Request 5 Invoke Trace 3 Create PDP Context Rsp 8 Activate PDP Context Accept 7 Update PDP Context Rsp 6 Update PDP Context Req UTRAN SGSN GGSN 4 Radio Access Bearer Setup 2 Create PDP Context Req 14. Section Management PDP Context Modification 1 Update PDP Context Req 2 Update PDP Context Rsp 3 Modify PDP Context Request 4 Modify PDP Context Accept 5 Radio Access Bearer Modification 6 Invoke Trace
- SGSN-Initiated PDP Context Modification Procedure
UE UTRAN SGSN GGSN 15. Section Management PDP Context Deactivation 1 Deactivate PDP Context Request 5 Radio Access Bearer Release 3 Delete PDP Context Rsp 4 Deactivate PDP Context Accept
- MS Initiated PDP Context Deactivation Procedure
UTRAN SGSN GGSN 2 Delete PDP Context Req 16. Location Management
- Routeing Area Update Procedure
New SGSN Old SGSN 1 RAURequest 2 SGSN Context Req/Rsp 3 Security Functions 3 Security Functions 5 Update PDP Context Req 5 Update PDP Context Rsp 6 Update Location 7 Cancel Location 8 Insert Subscriber Data ,Update Location Ack 9 RAU Accept 10 RAU Complete 4 SGSN Context Ack HLR GGSN 17. Detach Procedure
- MS-Initiated Detach Procedure
1 Detach Request 2 Delete PDP Context 3 IMSI Detach Indication 4 GPRS Detach Indication 5 Detach Accept 6 Release PS SignalingConnection SGSN GGSN MSC/VLR 18.