无线接口信令协议

1上海大唐移动通信设备有限公司2003.12GSM移动通信系统原理培训讲义无线接口信令协议2Um接口信令3GSM系统专用协议群DTAPDTAPDirectTransferApplicationPartBSSMAPBSSManagementApplicationPartCMCallManagementMMMobileManagementRRRadioResourceManagementSCCPSignallingConnectionControlPartMAPMobileApplicationPartTCAPTransactionCapabilityApplicationPartISUPISDNUserPartMTPMessageTransferPartCMMMRRSig.layer2Layer1(air)Sig.layer2Sig.layer1MTPSCCPBSSMAPRR(CM+MM)MSBSCMTPMTPSCCPSCCPCMMMBSSMAPTCAPMAPISUPMSCSig.layer2Layer1(air)BTS(CM)(MM)(RR)(CM)(MM)(RR)(CM)(MM)(LAPDm)(LAPDm)(LAPD)Sig.layer2Sig.layer1(LAPD)BTSMBTSMRR'BTSMBTSManagementUmInterfaceAbisInterfaceA-interfaceInter-MSCInterface4ChannelRequestEstablishmentCauseemergencycallCallre-establishLocationupdateAnswertopaging:sameaschannelneededinPagingNECI=0:MO&procedurebecompletewithSDCCHNECI=1:MOTCH/FProcedurebecompletewithSDCCHRandomReference立即指配流程MSBSSCHANNELREQUEST(1)IMMEDIATEASSIGNMENT(EXTENDED)ImmediateAssignmentL2PseudolengthProtocoldiscriminatorSkipindicationMessagetype----N(SD)forMSsidePagemodeChanneldescriptionRandomreferenceTimingadvanceMobileallocationStartingtimeIArestoctetsT3126MMRRCHANNELREQUEST(2~M+1)IMMEDIATEASSIGNMENTREJECTSABM(L3)(1)UA(L3)SABM(L3)(2~6)ProtocoldiscriminatorCallcontrol;callrelatedSSmessagesMobilitymanagementmessagesRadioresourcemanagementmessagesSkipindicationOtherthan0shouldbeignorePagemodeNormalpagingExtendedpagingPagingreorganizationSameasbeforeChanneldescriptionChanneltypeandTDMAoffsetSDCCH/8+SACCH/8+subchannelSDCCH/4+SACCH/4+subchannelTCH/F+ACCHTNTSCHoppingchannelsinglechannel:ARFCNRFhoppingchannel:HSN+MAIORequestreferenceRandomAccessInformationT1’/T2/T3——FNT1’=(FN/1326)mod32T2=(FN)mod26T3=(FN)mod51(FN)mod42432=51x((T3-T2)mod26)+T3+51x26xT1’MobileallocationIndexforCAStartingtimeT1’/T2/T3IArestoctetsMAIO+Mobileallocation(frequencyparametersbeforetime)ImmediateAssignmentExtendedPagemodeChanneldescription1Randomreference1Timingadvance1Channeldescription2Requestreference2Timingadvance2MobileallocationStartingtimeIArestoctetsImmediateAssignmentRejectPagemodeRandomreference1WaitingIndication1Randomreference2WaitingIndication2Randomreference3WaitingIndication3Randomreference4WaitingIndication4WaitingIndicationT3122:0~255secondS~S+T-10~max(8,T)-1T3101T200:235msMM要求进入专有模式RR响应寻呼允许接入网络T3122T3126:T+2S~5secondRACHRACHAGCHAGCHSDCCHSDCCHSDCCH5PagingRequestType1PagingmodeChannelneededformobile1Mobileidentity1(IMSI/TMSI)Channelneededformobile2Mobileidentity2(IMSI/TMSI)寻呼流程MSBSSPAGINGREQUESTTYPE1/2/3PAGINGREQUESTTYPE1/2/3CHANNELREQUESTIMMEDIATEASSIGNMENT(EXTENDED)SABM(Pagingresponse)UA(Pagingresponse)PagingRequestType2PagingmodeChannelneededformobile1Mobileidentity1(TMSI)Channelneededformobile2Mobileidentity2(TMSI)Channelneededformobile3Mobileidentity3(IMSI/TMSI)PagingRequestType3PagingmodeChannelneededformobile1Mobileidentity1(TMSI)Channelneededformobile2Mobileidentity2(TMSI)Channelneededformobile3Mobileidentity3(TMSI)Channelneededformobile4Mobileidentity4(TMSI)PCHPCHAGCHAGCHSDCCHSDCCHT3113PagingResponseCipheringkeysequenceMobilestationclassmark2MSidentity(IMSI/TMSI)ClassmarkInformation2Phase1/Phase2MSControlledEarlyClassmarkSendingRFPowerCapabilityPseudoSynchronizationCapabilitySupplementaryServiceScreeningIndicationMTSMSpt.Topt.CapabilityFrequencyCapability(GSM900Extended?)A5/1;A5.2;A5/3Classmark36MeasurementreportBA-usedDTX-usedMeas-validRxlev_full/sub(servingcell)Rxqual_full/sub(servingcell)NO-NCELL-MRxlev(neighborcell1~6)BCCH-Freq-Ncell(1~6)BSIC-Ncell(1~6)SACCH流程MSBSSSYSTEMINFORMATION5/5bis/5ter/6MEASUREMENTREPORTSACCHDownlinkL1HeaderOrderedMSpowerlevelOrderedtimingadvanceSACCHUplinkL1HeaderActualMSpowerlevelActualtimingadvanceSYSTEMINFORMATION5/5bis/5ter/6MEASUREMENTREPORTSACCHSACCHSACCHSACCH7ASSIGNMENTCOMMANDChanneldescriptionPowercommandCellchanneldescriptionStartingtimeMobileallocation(aftertime)Mobileallocation(beforetime)Channelmode指配流程MSBSSASSIGNMENTCOMMANDASSIGNMENTFAILUREUASABM(1)SDCCHSDCCHFACCHFACCHASSIGNMENTCOMPLETESABM(2~6)ASSIGNMENTFAILURET3107FACCHFACCHSDCCHASSIGNMENTCOMPLETEASSIGNMENTFAILURERRCauseRRCauseNormaleventAbnormalrelease,unspecifiedAbnormalrelease,channelunacceptableAbnormalrelease,timerexpiredAbnormalrelease,noactivityonradiopathPreemptivereleaseHandoverimpossible,timingadvanceoutofrangeChannelmodeunacceptableFrequencynotimplementedCallalreadyclearedSemanticallyincorrectmessageInvalidmandatoryinformationMessagetypenon-existentornotimplementedMessagetypenotcompatiblewithprotocolstateConditionalIEerrorNocellallocationavailableProtocolerrorunspecifiedChannelmodeSignallingonlySpeechfullrateversion1Speechfullrateversion2Data,14.5kbpsradiointerfacerateData,14.5kbpsradiointerfacerateData,12.0kbpsradiointerfacerateData,6.0kbpsradiointerfacerateData,3.6kbpsradiointerfacerate8HANDOVERCommandCelldescriptionChanneldescriptionHandoverreferencePowercommandandaccesstypeCellchanneldescriptionMobileallocation(aftertime)ChannelmodeTimingAdvanceSynchronizationindication(伪/预)同步切换流程MSBSSHANDOVERCOMMANDSDCCH/FACCHSABMT3103CellDescriptionBCCHARFCNBCCNCCBSSHANDOVERACCESSHANDOVERACCESSHANDOVERACC