WCDMA General Call Flow
WCDMA General Call Flow
General General
service flow call flow of CS
General service procedure of PS
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MO Service FlowNon Access Stratum : MM/SM/CC/SMS AS :RRC UTRAN Switch on AS : RANAP CN
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 Finish Service : Call Control Procedures of CS , Section Management Procedures of PS, release the service bearer Switch offMM Procedures of NAS : Detach ( include the IMSI Detach, GPRS Detach ) AS : RRC Connection Release Iu Connection Release
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MT Service FlowNon Access Stratum : MM/SM/CC/SMS AS : RRC UTRAN IDLE State:NAS: Paging Procedure initiated by CN AS : RRC Connection Setup Iu Connection Setup
AS : RANAP CN
MM Procedures of NAS : Security Functions;
Start Service : Call Control Procedures of CS , or Section Management Procedures of PS, set up the service bearer Finish Service : Call Control Procedures of CS , or Section Management Procedures of PS, release the service bearer IDLE State:
AS RRC Connection Release
Iu Connection Release
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WCDMA General Call Flow
General General
service flow call flow of CS
General service procedure of PS
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UE Call Another UE
2 Security Functions
HLR 6 Provide Roaming Number 7 Provide Roaming Number Ack
5 Send Routing Information 8 Send Routing Information Ack
10 Page 1 CM Service request 9 Initial Address Message 11 Security Functions 2 Security Functions 12 Setup 3 Setup 13 Call Confirm 4 Call Proceeding MO MT MSC/VLR MSC/VLR Connecting
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UE Call PSTNRNC Initial UE Me ssage (cmse rvice re st) que SCCP : CC Authe ntication and Se curity Proce dure Dire Transfe ( se ) ct r tup Dire Transfe call proce ding ) ct r( e RAB Assignm nt Proce e dure Dire Transfe ale ct r( rting) Dire Transfe conne ) ct r( ct Dire Transfe conne ack ) ct r( ct Conne cting Dire Transfe ( disconne : PSTN hang up first ) ct r ct Dire Transfe ( re ase ) ct r le Dire Transfe ( re ase com te ) ct r le ple Iu re ase SCCP re ase le / le RLG CBK CLF ACM IAM MSC/ VLR PSTN
ANC(ANN)
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PSTN Call UERNC VMSC GMSCIAMMAP_SEND_ROUTING_INFO.
HLR
PSTN
MAP_PROVIDE_ROAMING_NUM.MAP_PROVIDE_ROAMING_NUM ACK.
PagingInitial UE Me sage (paging re s sponse ) SCCP : CC Authe ntication and Sce urity proce dure Dire Transfe ( se ) ct r tup Dire Transfe call confire e ) ct r( md
IAM
MAP_SEND_ROUTING_INFO ACK.
RAB Assignm nt Proce e dureDire Transfe ale ct r( rting) Dire Transfe conne ) ct r( ct Dire Transfe conne ack ) ct r( ct Conne cting Dire Transfe ( dis ct r conne : UE hang up first ) ct Dire Trans r ( re ase ) ct fe le Dire Transfe ( re ase com te ) ct r le ple Iu re ase SCCP re ase le / le RLG CLF ACM ANC(ANN)
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WCDMA General Call Flow
General General
service flow call flow of CS
General service procedure of PS
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Attach Procedure The
CS procedures are similar to the PS in common
procedures of Non Access Stratum. The following procedures mainly focus on the PS domain.Old SGSN 7 Cancel Location / Ack 2 Identification Req/Rsp 4 Authentication 3 Identity Req/Rsp 6 Update Location 4 Authentication 8 Insert Subscriber Data/Ack 5 IMEI Check 9 Update Location Ack HLR 10 Attach Accept New SGSN 11 Attach Complete 5 IMEI Check EIRConfidential Information of Huawei. No Spreading without Permission 10
1 Attach Req
Service Request
MS
Initiated Service Request Procedure :
HLR 3 Security Functions 1 RRC Connection Setup 2 Service Request 3 Security Functions 4 Service Accept SGSN 6 RB Setup/ 5 RAB Assignment Req RB Setup Complete UTRAN 7 RAB Assignment Rsp 9 UE sends Uplink PDU 8 SGSNinitiated PDP Context Modification GGSN
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Section Management PDP Context Activation
UE-initiated
PDP Context Activation Procedure
1 Activate PDP Context Request 2 Radio Access Bearer Setup 3 Invoke Trace 5 Activate PDP Context Accept UTRAN
4 Create PDP Context Req 4 Create PDP Context Rsp SGSN GGSN
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PDP Context Activation Procedure of the later R99/R4 versionUE-initiated PDP Context Activation Procedure
1 Activate PDP Context Request 4 Radio Access Bearer Setup 5 Invoke Trace 8 Activate PDP Context Accept UTRAN
2 Create PDP Context Req 3 Create PDP Context Rsp 6 Update PDP Context Req 7 Update PDP Context Rsp GGSN SGSN
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Section Management PDP Context Modification
SGSN-Initiated PDP Context Modification Procedure
3 Modify PDP Context Request 4 Modify PDP Context Accept
1 Update PDP Context Req 2 Update PDP Context Rsp GGSN
UE
5 Radio Access Bearer Modification 6 Invoke Trace SGSN UTRAN
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Section Management PDP Context Deactivation
MS
Initiated PDP Context Deactivation Procedure
1 Deactivate PDP Context Request 4 Deactivate PDP Context Accept 5 Radio Access Bearer Release UTRAN
2 Delete PDP Context Req 3 Delete PDP Context Rsp SGSN GGSN
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Location Management Routeing
Area Update Procedure7 Cancel Location 3 Security Functions
Old SGSN 2 SGSN Context Req/Rsp 4 SGSN Context Ack
HLR
6 Update Location 8 Insert Subscriber Data , Update Location Ack 5 Update PDP Context Req 5 Update PDP Context Rsp GGSN
1 RAU Request 3 Security Functions 9 RAU Accept 10 RAU Complete New SGSN
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Detach Procedure
MS-Initiated
Detach Procedure
3 IMSI Detach Indication MSC/VLR 4 GPRS Detach Indication 1 Detach Request 5 Detach Accept 6 Release PS Signaling Connection SGSN 2 Delete PDP Context
GGSN
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