GSM信令流程图汇总.ppt

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1、MSCPSTNHLRGMSCMAP_SEND_ROUTING_INFORMATIONIAI (TUP)MS Terminated Call ProcedureVLRMAP_PROVIDE_ROAMING_NUMBERD C B MAP_PROVIDE_ROAMING_NUMBER ACKMAP_SEND_ROUTING_INFORMATION ACKIAI (TUP)MAP_PAGEMAP_SEND_INFO_I/C_CALLMSMSCBTSBSCPaging(UDT)(IMSI/TMSI,LAI or CGI)Paging Command(IMSI/TMSI,pag group,ch)Pag

2、ing Request (L2-UI)(IMSI/TMSI)RR(PCH)RR(RACH)Channel RequestChannel RequiredChannel ActivationChannel Activation ACKImmediate AssignmentRR(AGCH)(L2 - UI)A interfaceAbis interfaceUm interfaceBSSMAPContinue 1Paging RESP (L2-SABM)EST IND(Paging Resp)Paging RespCR(COMPL - L3 - INFO)L2 - UA(CKSN,MS ID,CG

3、I,CLrk2)CCRR(SDCCH)RR(SDCCH)BSSMAP PagingMS Terminated Call ProcedureImmediate Assign CommandT3113 +T3113 -T3120 +T3120 -T3101 +T3101 -MM(SDCCH)MM(SDCCH)RR(SDCCH)DTAP-MMRR(SDCCH)DTAP-MMBSSMAPMSBTSDATA REQAUTH REQUESTENCR CMDCIPHER MOD CMDAbis interfaceUm interfaceAUTH RESPONSEDATA INDCIPHER MOD COMM

4、SCBSCAUTH REQUEST (DT1)(CKSN, RAND)AUTH RESPONSE (DT1)A interfaceCIPHER MOD CMD(DT1)(algo nb,key)(SRES)DATA INDCIPHER MOD COM(DT1)BSSMAPContinue 2DATA REQTMSI REAL CMDTMSI REAL COMDATA IND(new TMSI,LAI)TMSI REAL COM (DT1)TMSI REAL CMD (DT1)DTAP-MMDTAP-MMMM(SDCCH)MM(SDCCH)MS Terminated Call Procedure

5、VLRMAP_AUTHENTICATEMAP_AUTHENTICATE ACKMAP_SET_CIPHERING_MODEMAP_FORWARD_NEW_TMSIMAP_FORWARD_NEW_TMSI ACKB interfaceT3260 +T3260 -MAP_PROCESS_ACCESS_REQMAP_PROCESS_ACCESS_REQ_ACKCC(SDCCH)CC(SDCCH)DTAP-CCDTAP-CCContinue 3MSBTSDATA REQSET-UPAbis interfaceUm interface CALL CONFIRMEDDATA INDMSCBSCSET-UP

6、 (DT1)CALL CONF (DT1)A interfaceT303 +MS Terminated Call ProcedureT303 -T310 +VLRB interfaceMAP_COMPLETE_CALLMSMSCBTSBSCASSIGN REQ(DT1)(Ch type,CIC,L3 hd)PHYS CTX REQQUEUING(DT1) Channel ACTIVDATA REQChannel Activation ACKRELEASE REQASSIGN COMRR(FACCH)A interfaceAbis interfaceUm interfaceBSSMAPConti

7、nue 4PHYS CTX CONFBSSMAP(TCH)ASSIGN CMDRR(SDCCH)(local end)(L2 - SABM)EST IND(L2 - UA)RR(FACCH)RR(FACCH)DATA INDASSIGN COM(DT1)RF CHAN REL(SDCCH)BSSMAPRF CHAN REL ACK(BS/MS POW,TA)Radio-resourceassignmentMS Terminated Call ProcedureCCTNT2 +TNT2 -T9103 +T9103 -CC(FACCH)CC(FACCH)DTAP-CCDTAP-CCMSALERTI

8、NGUm interfaceCONNECTMSCCONNECT (DT1)Continue 5CONNECT ACK (DT1)DTAP-CCBTSDATA INDAbis interfaceDATA INDBSCALERTING (DT1)A interfaceDATA REQCONNECT ACKCC(FACCH)GMSCPSTNACM(TUP)ACM(TUP)ANC(TUP)ANC(TUP)MS Terminated Call ProcedureE interfaceT310 -T301 +T301 -T313 -T313 +MS(L2 - UA)RR(FACCH)Um DTAP-CCC

9、ontinue 6DTAP-CCRELEASECC(FACCH)CHAN REL(L2 - DISC)RR(FACCH)RR(FACCH)BSSMAPRadio-resourcereleaseDISCONNECTCC(FACCH)RELEASE COMCC(FACCH)DTAP-CCBSSMAPBTSDATA INDRF CHAN REL ACKDEACT SACCHMSCBSCDISCONNECT(DT1)RELEASE(DT1) DATA REQDATA INDRELEASE COM(DT1)CLEAR CMD(DT1)A Abis DATA REQCLEAR COM(DT1)RF CHA

10、N RELREL IND(Mobile Release First)GMSCPSTNCBK(TUP)CBK(TUP)CLF(TUP)CLF(TUP)RLG(TUP)RLG(TUP)MS Terminated Call ProcedureE DEACT SACCH ACKT308 +T308 -TNT3 +TNT3 -T3109 +T3109 -T3111 +T3111 -MSMSCRELEASE COM(DT1)(L2 - UA)RR(FACCH)UmDTAP-CCContinue 7DTAP-CCRELEASECC(FACCH)CHAN REL(L2 - DISC)RR(FACCH)RR(F

11、ACCH)CLEAR COM(DT1)BSSMAPDISCONNECTCC(FACCH)RELEASE COMCC(FACCH)DTAP-CCBSSMAPBTSDATA REQDATA INDDATA REQAbis DATA REQRF CHAN RELRF CHAN REL ACKRadio-resourcereleaseDEACT SACCHREL INDBSCDISCONNECT(DT1)RELEASE(DT1) CLEAR CMD(DT1)A(Mobile Release last)GMSCPSTNCLF(TUP)CLF(TUP)RLG(TUP)RLG(TUP)MS Terminat

12、ed Call ProcedureDEACT SACCH ACKT305 +T305 -TNT3 +TNT3 -T3109 -T3111 +T3111 -T3109 +EMSMSCBTSBSCRR(RACH)Channel RequestChannel RequiredChannel ActivationChannel Activation ACKImmediate AssignmentRR(AGCH)(L2 - UI)A interfaceAbis interfaceUm interfaceMobile - Originating Call ProcedureCM SERV REQ (L2-

13、SABM)EST INDCR(COMPL - L3 - INFO)L2 - UA(CKSN,MS ID,SER type,CLmk)CCRR(SDCCH)RR(SDCCH)BSSMAPImmediate Assign Command(SDCCH ID)T3120 +T3120 -T3101 +T3101 -T303 +VLRMAP_PROCESS_ACCESS_REQB interfaceMobile - Originating Call ProcedureMM(SDCCH)MM(SDCCH)RR(SDCCH)DTAP-MMRR(SDCCH)DTAP-MMBSSMAPMSBTSDATA REQ

14、AUTH REQUESTENCR CMDCIPHER MOD CMDAbis interfaceUm interfaceAUTH RESPONSEDATA INDCIPHER MOD COMMSCBSCAUTH REQUEST (DT1)(CKSN, RAND)AUTH RESPONSE (DT1)A interfaceCIPHER MOD CMD(DT1)(algo nb,key)(SRES)DATA INDCIPHER MOD COM(DT1)BSSMAPContinue 1DATA REQTMSI REAL CMDTMSI REAL COMDATA IND(new TMSI,LAI)TM

15、SI REAL COM (DT1)TMSI REAL CMD (DT1)DTAP-MMDTAP-MMMM(SDCCH)MM(SDCCH)VLRMAP_AUTHENTICATEMAP_AUTHENTICATE ACKMAP_SET_CIPHERING_MODEMAP_FORWARD_NEW_TMSIMAP_FORWARD_NEW_TMSI ACKB interfaceT3260 +T3260 -MAP_PROCESS_ACCESS_REQ_ACKCC(SDCCH)CC(SDCCH)DTAP-CCDTAP-CCContinue2MSBTSDATA INDSET-UPAbis interfaceUm

16、 interfaceCALL PROCEEDINGDATA REQMSCBSCSET-UP (DT1)CALL PROCEEDING (DT1)A interfaceT303 -T310 +Mobile - Originating Call ProcedureMAP_SEND_INFO_FOR_O/G_CALLVLRB interfaceMAP_COMPLETE_CALLMSMSCBTSBSCASSIGN REQ(DT1)(Ch type,CIC,L3 hd)PHYS CTX REQQUEUING(DT1) Channel ACTIVDATA REQChannel Activation ACKRELEASE REQASSIGN COMRR(FACCH)A interfaceAbis interfaceUm interfaceBSSMAPContinue 3PHYS CTX CONFBSSMAP(TCH)ASSIGN CMDRR(SDCCH)(local end)(L2 - SABM)EST IND(L2 - UA)RR(FACCH)RR(FACCH)DATA INDASSIGN COM

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