GSM信令流程图汇总.ppt

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1、MSCPSTNHLRGMSCMAP_SEND_ROUTING_INFORMATIONIAI(TUP)MSTerminatedCallProcedureVLRMAP_PROVIDE_ROAMING_NUMBERDCBMAP_PROVIDE_ROAMING_NUMBERACKMAP_SEND_ROUTING_INFORMATIONACKIAI(TUP)MAP_PAGEMAP_SEND_INFO_I/C_CALLMSMSCBTSBSCPaging(UDT)(IMSI/TMSI,LAIorCGI)PagingCommand(IMSI/TMSI,paggroup

2、,ch)PagingRequest(L2-UI)(IMSI/TMSI)RR(PCH)RR(RACH)ChannelRequestChannelRequiredChannelActivationChannelActivationACKImmediateAssignmentRR(AGCH)(L2-UI)AinterfaceAbisinterfaceUminterfaceBSSMAPContinue1PagingRESP(L2-SABM)ESTIND(PagingResp)PagingRespCR(COMPL-L3-INFO)L2-UA(CKSN,MSID,

3、CGI,CLrk2)CCRR(SDCCH)RR(SDCCH)BSSMAPPagingMSTerminatedCallProcedureImmediateAssignCommandT3113+T3113-T3120+T3120-T3101+T3101-MM(SDCCH)MM(SDCCH)RR(SDCCH)DTAP-MMRR(SDCCH)DTAP-MMBSSMAPMSBTSDATAREQAUTHREQUESTENCRCMDCIPHERMODCMDAbisinterfaceUminterfaceAUTHRESPONSEDATAINDC

4、IPHERMODCOMMSCBSCAUTHREQUEST(DT1)(CKSN,RAND)AUTHRESPONSE(DT1)AinterfaceCIPHERMODCMD(DT1)(algonb,key)(SRES)DATAINDCIPHERMODCOM(DT1)BSSMAPContinue2DATAREQTMSIREALCMDTMSIREALCOMDATAIND(newTMSI,LAI)TMSIREALCOM(DT1)TMSIREALCMD(DT1)DTAP-MMDTAP-MMM

5、M(SDCCH)MM(SDCCH)MSTerminatedCallProcedureVLRMAP_AUTHENTICATEMAP_AUTHENTICATEACKMAP_SET_CIPHERING_MODEMAP_FORWARD_NEW_TMSIMAP_FORWARD_NEW_TMSIACKBinterfaceT3260+T3260-MAP_PROCESS_ACCESS_REQMAP_PROCESS_ACCESS_REQ_ACKCC(SDCCH)CC(SDCCH)DTAP-CCDTAP-CCContinue3MSBTSDATAREQSET-UPAbisi

6、nterfaceUminterfaceCALLCONFIRMEDDATAINDMSCBSCSET-UP(DT1)CALLCONF(DT1)AinterfaceT303+MSTerminatedCallProcedureT303-T310+VLRBinterfaceMAP_COMPLETE_CALLMSMSCBTSBSCASSIGNREQ(DT1)(Chtype,CIC,L3hd)PHYSCTXREQQUEUING(DT1)ChannelACTIVDATAREQChannelActivationACKRELEASEREQ

7、ASSIGNCOMRR(FACCH)AinterfaceAbisinterfaceUminterfaceBSSMAPContinue4PHYSCTXCONFBSSMAP(TCH)ASSIGNCMDRR(SDCCH)(localend)(L2-SABM)ESTIND(L2-UA)RR(FACCH)RR(FACCH)DATAINDASSIGNCOM(DT1)RFCHANREL(SDCCH)BSSMAPRFCHANRELACK(BS/MSPOW,TA)Radio-resourceassignmentMSTermin

8、atedCallProcedureCCTNT2+TNT2-T9103+T9103-CC(FAC