【正文】 上海大唐移動通信設(shè)備有限公司GSM移動通信系統(tǒng)原理培訓(xùn)講義移動通信系統(tǒng)原理培訓(xùn)講義有線接口信令協(xié)議有線接口信令協(xié)議1Abis接口信令接口信令2主叫流程（一）MS BSCChannel activation ackChannel activationChannel requiredCM service acceptCall proceedingSABM(cm_serv_req)Immediate assign mandestablish indicationBTSChannel requestUA(cm_serv_req)Immediate assignment SetupData request(CM service accept)Data Ind(Setup)Data request(Call proceeding)3主叫流程（二）MS BSCBTSChannel activation ackAssignment mandestablish indicationAssignment CompleteDeactivate SACCHRelease request(local end rel)Release confirmRF Channle releaseRF Channel release ackAlertingConnectConnect acknowledgeSABMUAChannel activationData req.(Assignment mand)Data Ind.(Assignment Complete)Data req.(Alerting)Data req.(Connect)Data Ind.(Connect acknowledge)4主叫流程（三）MS BSCBTSChannel ReleaseRelease CompleteReleaseRF Channle releaseDISCDeactivate SACCHRF Channel release ackRelease IndicationUADisconnect Data Ind.(Disconnect)Data Req.(Release)Data Ind.(Release Complete)Data Req.(Channel Release)5主叫流程（四）MS BSCBTSChannel ReleaseRelease CompleteReleaseRF Channle releaseDISCDeactivate SACCHRF Channel release ackRelease IndicationUADisconnect Data Ind.(Disconnect)Data Req.(Release)Data Ind.(Release Complete)Data Req.(Channel Release)6被叫流程（一）MS BSCBTSChannel activation ackChannel activationChannel requiredCall confirmSABM(pag_resp)Immediate assign mandestablish indicationChannel requestUA(pag_resp)Immediate assignment SetupCM service acceptPaging CommandPaging RequestData req.(CM service accept)Data req.(Setup)Data ind.(Call confirm)7被叫流程（二）MS BSCBTSChannel activation ackAssignment mandestablish indicationAssignment CompleteDeactivate SACCHRelease requestRelease confirmRF Channle releaseRF Channel release ackAlertingConnectConnect acknowledgeSABMUAChannel activationData req.(Assignment mand)Data ind.(Assignment Complete)Data ind.(Alerting)Data ind.(Connect)Data req.(Connect acknowledge)8小區(qū)間切換MS BSCBTS1 BTS2Channel activationChannel activation ackMeasurement resultHandover mandMeasurement reportHandover accessHandover pleteSABMUAData ind.(HO plete)Physical informationestablish indicationHandover detectionRelease Request(local)Release ConfirmationRF Channel Release ACKRF Channel ReleaseData req.(HO mand)9A 接接 口口 信信 令令10A接口信令11A接口信令MS BSS MSCASSIGNMENT REQUESTASSIGNMENT COMMANDASSIGNMENT COMPLETEASSIGNMENT COMPLETEASSIGNMENT REQUESTChannel TypePriorityCircuit Identity Code(MSC Allocate)Downlink DTX FlagInterference Band To Be UsedClassmark Information 2ASSIGNMENT COMPLETERR CauseCircuit Identity CodeCell IdentifierChosen ChannelCircuit PoolSpeech Version(Chosen)Channel TypeSpeech/data indicator:Speech/Data/SignalingChannel rate and type:Full rate(Half rate)/SDCCHPermitted speech version indication:FRV1/FRV2(EFR)PriorityPreemption Capability IndicatorPriority Level:1~14Queueing Allowed Indicator:Allowed/not AllowedPreemption Vulnerability IndicatorCircuit Identity Codeak:PCM No.,max 2048xxxxx:timeslot No.Interference Band To Be Usedbitmap format for band1~band5RR CauseNormalCircuit PoolNo1:FRV1。FR Data 12/6/No4:FRV2。 FR Data 12/6/N05:FRV1。FRV2。 FR Data 12/6/Classmark Information 2Phase1/Phase2 MSControlled Early Classmark Sending RF Power CapabilityPseudo Synchronization CapabilitySupplementary Service Screening IndicationMT SMS pt. To pt. CapabilityFrequency Capability(GSM900 Extended?)A5/1。A5/3Classmark 3 T1012A接口信令MS BSS MSCASSIGNMENT REQUESTASSIGNMENT COMMANDASSIGNMENT FAILURE ASSIGNMENT FAILUREASSIGNMENT FAILURECauseRR CauseCircuit PoolCircuit Pool ListCauseRequested terrestrial resource unavailableRequested transcoding/rate adaption availableRequested speech version unavailableCircuit pool mismatchSwitch circuit pool/Terrestrial circuit already allocatedEquipment failure/No radio resource available/OM intervention Radio interface message failureRadio interface failure,reversion to old channelT10ASSIGNMENT FAILUREASSIGNMENT FAILURE13A接口信令MS BSS MSCClear RequestCauseCauseRadio interface message failureOM interventionProtocol error between BSS and MSCPreemptionCLEAR COMMANDCLEAR REQUESTCLEAR COMPLETEClear CommandCall controlEquipment failureHandover successfulProtocol error between BSS and MSC14A接口信令Handover RequiredCauseResponse RequestCell Identifier List(Preferred)Circuit Pool ListCurrent ChannelSpeech Version(Used)Queueing IndicatorCauseUplink Quality Uplink StrengthDownlink Quality Downlink StrengthDistance Better CellTraffic Response toMSC InvocationDirected Retry Switch Circuit PoolPreemption OM InterventionResponse RequestRequest HANDOVER REQUIRED REJECT if result in no handover Cell Identifier ListMax n,which is set by OM,from 1 to 16, list is given in order of preferenceOM interventionEquipment failureRequested terrestrial resource unavailableInvalid message contentsRequested transcoding/rate adaptation unavaliableCauseRequested terrestrial resource unavailable Ciphering algorithm not supported Requested transcoding/rate adaptation unavaliable Requested Speech version unavailable Circuit pool mismatch Switch circuit poolOM intervention Equipment failureNo radio resource available Invalid cellRadio interface failure,reversion to old channelTerrestrial resource already allocatedHandover RequestChannel Type Encryption InformationClassmark Information 1 or 2 Cell Identifier(Serving)Priority Circuit Identity CodeDownlink DTX Flag Cell Identifier(Target)Interference Band To Be Used CauseClassmark Information 3 Current ChannelSpeech version(Used) Config. Evol