无线接口信令协议

1上海大唐移动通信设备有限公司2003.12GSMGSM移动通信系统原理培训讲义移动通信系统原理培训讲义无线接口信令协议无线接口信令协议2UmUm接接口口信信令令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T3122RACHRACHAGCHAGCHSDCCHSDCCHSDCCHT3126:T+2S~5second5PagingRequestType1PagingmodeChannelneededformobile1Mobileidentity1(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/FACCHSABMT3103CellDescriptionBCCHARFCNBCCNCCBSSHANDOVERAC