1GSM网规网优技能认证教材-GSM信令流程

GSM信令流程适用对象：P&O技能认证三级以下员工发布单位：GSM网规网优部GSM技能认证培训教材内部公开▲版本说明版本日期作者审核修改记录V1.02009-02-10马军华杨家志郑浩无内部公开▲课程目的了解GSM系统的信令模型了解GSM系统的各类消息类型掌握GSM系统基本的信令流程目录GSM系统信令模型GSM呼叫流程概述GSM呼叫流程GSM异常流程介绍GSM短消息流程内部公开▲GSM系统信令模型MobileSwitchingCentre(MSC))))BaseTransceiverStation(BTS)BaseStationController(BSC)EquipmentIDRegister(EIR)VisitorLocationRegister(VLR)HomeLocationRegister(HLR)Authenti-cationCentre(AUC)MobileSwitchingCentre(MSC)PublicSwitchedTelephoneNetwork(PSTN)MAP/TCAP+ISUP/TUPTootherVLRISUP/TUPDTAP+BSSMAPMAP/TCAPMAP/TCAPMAP/TCAPBTSMA-bisinterfaceAinterfaceGSMProtocol内部公开▲GSM系统信令模型ArchitectureDTAPDTAPDirectTransferApplicationPartBSSMAPBSSManagementApplicationPartCMCallManagementMMMobileManagementRRRadioResourceManagementSCCPSignallingConnectionControlPartMAPMobileApplicationPartTCAPTransactionCapabilityApplicationPartISUPISDNUserPartMTPMessageTransferPartCMMMRRSig.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'BTSMBTSManagementUmInterfaceAbisInterfaceAInterfaceInter-MSCInterface内部公开▲GSM系统信令模式网络层链路层物理层网在GSM移动通信系统中，GSM系统的信令模型采用了一般的OSI七层协议中的低三层协议，从低到高依次包括：内部公开▲GSM系统信令模式物理层物理层主要负责物理数据单元的无错传送。在物理层上，定义了传输路径上的电气特性。在ZTE-GSM中，Um接口的物理层采用无线路径，在Abis接口的物理层采用在不均衡的75Ω同轴电缆或120Ω双绞线上的2048bps的CEPT数据流。链路层在链路层上主要功能有：帧传递、无错传送以及通过物理层实现两连接实体之间的比特传送。在链路层上的任务主要是打开、维持和关闭两连接实体之间的连接。在GSM中，Um接口的数据链路层通过LAPDm实现；Abis接口的数据链路层通过LAPD实现。内部公开▲GSM系统信令模式网络层网络层CMMMRRCCSSSMS目录GSM系统信令模型GSM呼叫流程概述GSM呼叫流程GSM异常流程介绍GSM短消息流程内部公开▲GSM呼叫流程概述GSM网络结构PSTNOMCOMCNMCOMSSIMMEMSBTSBTSBSCAUmMSCMSCVLRVLRHLRAUCEIRBCEFGHDNSSBSSNSS内部公开▲GSM呼叫流程概述GSM呼叫流程内容与作用呼叫流程内容与分类与系统消息的关联呼叫流程的异常分析在网络优化中的作用内容与互联内部公开▲BTSBSCMSC/VLRHLRGMSCCMMMRRHLRMSC/VLRBSCBTSMSTransmissionGSM呼叫流程概述GSM功能协议结构内部公开▲GSM呼叫流程概述各种号码应用PSTNMSISDNGMSCMSISDNMSRNMSRNIMSIMSCMSRNHLRVLR目录GSM系统信令模型GSM呼叫流程概述GSM呼叫流程GSM异常流程介绍GSM短消息流程内部公开▲GSM呼叫流程移动主叫流程（一）MSCBSCBTSMSChannelRequest(RACH)1ChannelRequired2ChannelActivation3ChannelActivationAck4Immediate
AssigmentCommand5Immediate
Assigment(AGCH)6CMServiceRequest(SDCCH)7CMServiceRequest8CMServiceRequest9UA(SDCCH)10AuthenticationRequest11AuthenticationRequest(SDCCH)12AuthenticationReponse(SDCCH)13AuthenticationReponse14CipheringModeCommand15CipheringModeCommand16CipheringModeCommand(SDCCH)17CipheringModeComplete(SDCCH)18CipheringModeComplete19TMSIReallocationCommand20TMSIReallocationCommand(SDCCH)21TMSIReallocationComplete(SDCCH)22TMSIReallocationComplete23Setup(SDCCH)24Setup25CallProceeding26CallProceeding(SDCCH)27AssignmentRequest28ChannelActivation29ChannelActivationAck30AssignmentCommand(SDCCH)31EstableishIndication内部公开▲GSM呼叫流程移动主叫流程（二）MSCBSCBTSMSAssignmentCommand(SDCCH)31SABM(FACCH)32EstablishIndication33UA(FACCH)34AssignmentComplete(FACCH)35AssignmentComplete36RFChannelRelease37RFChannelReleaseAck38Alerting39Alerting(SDCCH)40Connect(SDCCH)42ConnectAck(FACCH)43ConnectAck44MeasurementReport(SACCH)45MeasurementReport46Disconnect(FACCH)47Disconnect48Connect41Release49Release(FACCH)50ReleaseComplete(FACCH)51ReleaseComplete52ClearCommand53ChannelRelease(FACCH)54DeactivateSACCH55DISC(FACCH)56UA(SACCH)57ReleaseIndication58RFChannelRelease59RFChannelReleaseAck60ClearComplete61内部公开▲MSCBSCBTSMSChannelRequest(RACH)4ChannelRequired5ChannelActivation6ChannelActivationAck7Immediate
AssigmentCommand8Immediate
Assigment(AGCH)9SABMPagingResponse(SDCCH)10PagingResponse(SDCCH)11PagingResponse12UA(SDCCH)13AuthenticationRequest14AuthenticationRequest(SDCCH)15AuthenticationReponse(SDCCH)16AuthenticationReponse17CipheringModeCommand18CipheringModeCommand19CipheringModeCommand(SDCCH)20CipheringModeComplete(SDCCH)21CipheringModeComplete22TMSIReallocationCommand23TMSIReallocationCommand(SDCCH)24TMSIReallocationComplete(SDCCH)25TMSIReallocationComplete26Setup(SDCCH)28Setup27CallComfirm30CallComfirm(SDCCH)29AssignmentRequest31ChannelActivation32ChannelActivationAck33AssignmentCommand(SDCCH)34Paging1PagingCommand2PagingRequest3EstablishIndicationGSM呼叫流程移动被叫流程（一）内部公开▲MSCBSCBTSMSSABM(FACCH)35EstablishIndication36UA(FACCH)37AssignmentComplete(FACCH)38AssignmentComplete39RFChannelRelease40RFChannelReleaseAck41Alerting43Alerting(SDCCH)42Connect(SDCCH)44ConnectAck(FACCH)47ConnectAck46MeasurementReport(SACCH)48MeasurementReport49Disconnect(FACCH)50Disconnect51Connect45Release52Release(FACCH)53ReleaseComplete(FACCH)54ReleaseComplete55ClearCommand56ChannelRelease(FACCH)57DeactivateSACCH58DISC(FACCH)59UA(SACCH)60ReleaseIndication61RFChannelRelease62RFChannelReleaseAck63ClearComplete64SCCPRelease65SCCPReleaseAck66GSM呼叫流程移动被叫流程（二）内部公开▲GSM呼叫流程位置更新周期性位置更新IMSI附着与分离正常位置更新移动台开机时的位置登记在一定周期内，网络与移动台无联系时，移动台自动周期地与网络取得联系。当移动台从一个位置区进入另一个新的位置区时内部公开▲MSC/VLRBSCBTSMSChannelRequest(RACH)1ChannelRequired2ChannelActivation3ChannelActivationAck4Immediate
AssigmentCommand5Immediate
Assigment(AGCH)6LocationUpdateRequest7LocationUpdateRequest8LocationUpdateRequest9UA(SDCCH)10AuthenticationRequest15AuthenticationRequest(SDCCH)16AuthenticationReponse(SDCCH)17Authenti