1、1,上海大唐移动通信设备有限公司2003.12,GSM移动通信系统原理培训讲义有线接口信令协议,2,Abis接口信令,3,主叫流程（一）,MS,BSC,BTS,4,主叫流程（二）,MS,BSC,BTS,5,主叫流程（三）,MS,BSC,BTS,6,主叫流程（四）,MS,BSC,BTS,7,被叫流程（一）,MS,BSC,BTS,8,被叫流程（二）,MS,BSC,BTS,9,小区间切换,MS,BSC,BTS1,BTS2,10,A 接 口 信 令,11,A接口信令,12,A接口信令,MS,BSS,MSC,ASSIGNMENT REQUESTChannel TypePriorityCircuit Id
2、entity Code(MSC Allocate)Downlink DTX FlagInterference Band To Be UsedClassmark Information 2,ASSIGNMENT COMPLETERR CauseCircuit Identity CodeCell IdentifierChosen ChannelCircuit PoolSpeech Version(Chosen),Channel TypeSpeech/data indicator:Speech/Data/SignalingChannel rate and type:Full rate(Half ra
3、te)/SDCCHPermitted speech version indication:FRV1/FRV2(EFR),PriorityPreemption Capability IndicatorPriority Level:114Queueing Allowed Indicator:Allowed/not AllowedPreemption Vulnerability Indicator,Circuit Identity Codea-k:PCM No.,max 2048xxxxx:timeslot No.,Interference Band To Be Usedbitmap format
4、for band1band5,RR CauseNormal,Circuit PoolNo1:FRV1;FR Data 12/6/3.6kbit/sNo4:FRV2; FR Data 12/6/3.6kbit/sN05:FRV1;FRV2; FR Data 12/6/3.6kbit/s,Classmark Information 2Phase1/Phase2 MSControlled Early Classmark Sending RF Power CapabilityPseudo Synchronization CapabilitySupplementary Service Screening
5、 IndicationMT SMS pt. To pt. CapabilityFrequency Capability(GSM900 Extended?)A5/1;A5.2;A5/3Classmark 3,T10,13,A接口信令,MS,BSS,MSC,ASSIGNMENT FAILURECauseRR CauseCircuit PoolCircuit Pool List,CauseRequested terrestrial resource unavailableRequested transcoding/rate adaption availableRequested speech ver
6、sion unavailableCircuit pool mismatchSwitch circuit pool/Terrestrial circuit already allocatedEquipment failure/No radio resource available/O&M intervention Radio interface message failureRadio interface failure,reversion to old channel,T10,14,A接口信令,MS,BSS,MSC,Clear RequestCause,CauseRadio interface
7、 message failureO&M interventionProtocol error between BSS and MSCPreemption,Clear CommandCause,CauseCall controlO&M interventionEquipment failureHandover successfulProtocol error between BSS and MSC,15,A接口信令,Handover RequiredCauseResponse RequestCell Identifier List(Preferred)Circuit Pool ListCurre
8、nt ChannelSpeech Version(Used)Queueing Indicator,CauseUplink QualityUplink StrengthDownlink QualityDownlink StrengthDistanceBetter CellTrafficResponse toMSC InvocationDirected RetrySwitch Circuit PoolPreemptionO&M Intervention,Response RequestRequest HANDOVER REQUIRED REJECT if result in no handover
9、,Cell Identifier ListMax n,which is set by O&M,from 1 to 16, list is given in order of preference,CauseO&M interventionEquipment failureRequested terrestrial resource unavailableInvalid message contentsRequested transcoding/rate adaptation unavaliable,CauseRequested terrestrial resource unavailable
10、Ciphering algorithm not supported Requested transcoding/rate adaptation unavaliable Requested Speech version unavailableCircuit pool mismatch Switch circuit poolO&M interventionEquipment failureNo radio resource available Invalid cellRadio interface failure,reversion to old channelTerrestrial resour
11、ce already allocated,Handover RequestChannel TypeEncryption InformationClassmark Information 1 or 2Cell Identifier(Serving)PriorityCircuit Identity CodeDownlink DTX FlagCell Identifier(Target)Interference Band To Be UsedCauseClassmark Information 3Current ChannelSpeech version(Used)Config. Evolution
12、 IndChosen Encryption Algorithm(Serving),Configuration Envolution IndicationSMI:Subsequent Modification Indication,whether modification is allowed or not,Classmark Information 1Phase1/Phase2 MSControlled Early Classmark Sending RF Power CapabilityA5/1,Classmark Information 3Multi-bands supported,E-G
13、SM/DCS1800/R-GSMRF Power Capability for each bandA5/4,A5/5,A5/6,A5/7UCS2,Handover FailureCauseRR CauseCircuit PoolCircuit Pool List,Handover Required RejectCause,Handover Request ACKLayer3 InformationChosen ChannelChosen Encryption AlgorithmCircuit PoolCircuit Identity Code,Handover CommandLayer3 In
14、formationCell Identifier,MS,BSS,MSC,T7,BSS,T8,Handover DetectNo information element except for message type,Handover CompleteRR Cause,16,A接口信令,Handover PerformedCauseCell IdentifierChosen ChannelChosen Encryption AlgorithmSpeech Version(Chosen),MS,BSS,MSC,T8,CauseUplink QualityUplink StrengthDownlin
15、k QualityDownlink StrengthDistanceBetter CellTrafficDirected RetrySwitch Circuit PoolPreemptionO&M Intervention,17,A接口信令,Handover PerformedCauseCell IdentifierChosen ChannelChosen Encryption AlgorithmSpeech Version(Chosen),MS,BSS,MSC,T10,CauseUplink QualityUplink StrengthDownlink QualityDownlink Str
16、engthSwitch Circuit PoolO&M Intervention,18,A接口信令,MS,BSS,MSC,PagingIMSITMSICell Identifier ListChannel Needed,Cell Identifier ListCell Identification discrimination:1.CGI2.LAC+CI3.CI4.No Cell5.LAI6.LAC7.All Cells on the BSS,Channel NeededAny channel(default)SDCCHTCH/FTCH/H or TCH/F,19,A接口信令,MS,BSS,M
17、SC,Complete Layer 3 InformationCell IdentifierLayer 3 InformationChosen Channel,20,A接口信令,MS,BSS,MSC,Classmark updateClassmark Information 2Classmark Information 3,21,A接口信令,MS,BSS,MSC,Cipher Mode CommandEncryption InformationCipher Response Mode,Encryption InformationPermitted algorithm:A5/1,A5/2, A5
18、/3,A5/4, A5/5,A5/6, A5/7Key,Cipher response ModeIMSI must (not) be included by MS,Cipher Mode RejectCause,CauseCiphering algorithm not supportedInvalid message contents,Cipher Mode CompleteLayer 3 message contentsChosen Encryption Algorithm,22,A接口信令,BSS,MSC,Queuing Indicationonly Message type,T11,BS
19、S,MSC,Tqho,23,A接口信令,MS,BSS,MSC,BLOCKCircuit Identity CodeCauseConnection Release Requested,CauseNo radio resource availableO&M intervention Equipment failure,T1,T1,BLOCK/UNBLOCK ACKNOWLEDGECircuit Identity Code,UNBLOCKCircuit Identity Code,24,A接口信令,MS,BSS,MSC,CIRCUIT GROUP BLOCKCauseCircuit Identity
20、 CodeCircuit Identity Code List,CauseNo radio resource availableO&M intervention Equipment failure,T20,T20,CIRCUIT GROUP BLOCK/UNBLOCK ACKNOWLEDGECircuit Identity CodeCircuit Identity Code List,CIRCUIT GROUP UNBLOCKCircuit Identity CodeCircuit Identity Code List,Circuit Identity Code ListRange,Max 2
21、55,from CIC to CIC+255Status,no indication/block,25,A接口信令,MS,BSS,MSC,BLOCKCircuit Identity CodeCauseConnection Release Requested,CauseNo radio resource availableO&M intervention Equipment failure,T21,T21,BLOCK/UNBLOCK ACKNOWLEDGECircuit Identity Code,UNBLOCKCircuit Identity Code,26,A接口信令,MS,BSS,MSC,
22、CIRCUIT GROUP BLOCKCauseCircuit Identity CodeCircuit Identity Code List,CauseNo radio resource availableO&M intervention Equipment failure,T22,T22,CIRCUIT GROUP BLOCK/UNBLOCK ACKNOWLEDGECircuit Identity CodeCircuit Identity Code List,CIRCUIT GROUP UNBLOCKCircuit Identity CodeCircuit Identity Code Li
23、st,Circuit Identity Code ListRange,Max 255,from CIC to CIC+255Status,no indication/block,27,A接口信令,MS,BSS,MSC,Periodicity100ms25500ms,Period,Resource RequestPeriodicityResource Indication MethodCell IdentifierExtended Resource Indication,Resource Indication Method1:Spontaneous resource information ex
24、pected 2:One single resource infoprmation expected3:Periodic resource information expected4: No resource information expected,Extended Resource IndicationSM:Subsequent Mode(only valid forRIM=2)0-Method 41-if RIM of before is 1 or 3, no changed; otherwise, 4TARR:Total Accessible Resource Requested,Re
25、source AvaliableBand1Band5, number of idle FR/HR,Resource IndicationResource Indication MethodResource AvaliableCell IdentifierTotal Resource Accessible,28,A接口信令,MS,BSS,MSC,ResetCause,CauseO&M intervention Equipment failure,T13,T16,T16,29,A接口信令,MS,BSS,MSC,ResetCause,CauseO&M intervention Equipment f
26、ailure,T2,T4,T4,30,A接口信令,MS,BSS,MSC,Reset CircuitCircuit Identity CodeCause,CauseO&M intervention Equipment failure,T19,T19,Reset Circuit ACK/Unequipped CircuitCircuit Identity Code,31,A接口信令,MS,BSS,MSC,Reset CircuitCircuit Identity CodeCause,CauseO&M intervention Equipment failure,T12,T12,Reset Circ
27、uit ACK/Unequipped CircuitCircuit Identity Code,32,A接口信令,MS,BSS,MSC,Handover Candidate EnquireNumber of MSsCell Identifier ListCell Identifier,Handover Candidate ResponseNumber of MSsCell Identifier,33,A接口信令,BSS,MSC,OverloadCause,CauseProcessor overloadO&M intervention,T18,T17,Decrease random access
28、 traffic by 1 step,Decrease random access traffic by 1 step,Increase random access traffic by 1 step,34,A接口信令,BSS,MSC,OverloadCauseCell Identifier,CauseProcessor overloadO&M interventionCCCH overload,T6,T5,Decrease MSC originated traffic by 1 step,Decrease MSC originated traffic by 1 step,Increase M
29、SC originated traffic by 1 step,35,A接口信令,MS,BSS,MSC,SAPI “n” RejectDLCICause,CauseO&M interventionProcessor overloadBSS not equippedMS not equipped,36,A接口信令,MS,BSS,MSC,ConfusionCauseDiagnostics,CauseInvalid message contentsInformation element or field missingIncorrect valueUnknown message typeUnknow
30、n information element Protocol error between BSS and MSCInvalid cell,Unequipped CircuitCircuit Identity CodeCircuit Identity Code List,37,A接口信令,BSS,MSC,BSS,CauseO&M interventionEquipment failureNo radio resource availableProcessor overloadTraffic load,Load IndicationTime IndicationCell IdentifierCel
31、l Identifier List(Target)Resource Situation(if without, the indicated cell is not able to perform incoming handover request)Cause,Time Indication0:No value valid255:infiniteothers:10s2540s,Resource Situationnumber of SDCCH channel in each interference bandnumber of TCH/F channel in each interference
32、 band,38,A接口信令,39,MAP 接 口 信 令,40,MAP所应用的接口,VLR-HLR 用户信息、位置信息MSC-HLR 查询路由VLR-VLR 用户信息MSC-MSC 切换、短消息MSC-EIR 设备鉴权,41,MAP,GSM网移动系统实体归属位置寄存器(HLR)拜访位置寄存器(VLR)移动业务交换中心(MSC)设备识别积存器(EIR)关口局MSC(GMSC),42,动态数据库VLR,VLR (Visitor Location Register)：拜访位置寄存器。实际上是一个数据库，储存用户信息，主要包括：MSRN (Mobile Station Roaming Number)
33、 : 移动台漫游号码TMSI (Temporary Mobile Subscriber Identification) : 临时移动用户身份移动台登记的位置区（LAC）与补充业务有关的数据可分配一个MSRN，还可以分配一个TMSI用于用户的身份保密。,43,静态数据库HLR,HLR (Home Location Register)：归属位置寄存器。实际上是一个数据库，主要储存二类数据：用户数据，主要包括：用户的身份IMSI (International Mobile Subscriber Identification)用户ISDN号码VLR地址用户的位置信息,44,MAP的应用,GSM NO.
34、7信令网的等级结构,HSTP,HSTP,HSTP,LSTP,LSTP,SP,SP,SP,45,信令网和话路网的对应关系,TMSC1,HSTP,H&LSTP,TMSC1,TMSC2,MSC,LSTP,TMSC2,MSC,话路 信令链,46,信令网的寻址方式,MAP是专为GSM要求而设计的，是TCAP的一个客户，位于TCAP之上。MAP协议支持一个物理实体同时和几个物理实体的通信，主要功能是支持移动用户的位置登记、位置删除、用户业务管理、参数管理、漫游、越区切换、鉴权、保密数据传输等。 CIC表示该消息属于哪条话音电路（它的长度是12比特，因此一条数字信令链路理论上可载送212 =4096条话路的
35、信令消息）。在GSM信令网SP、STP间传送MAP信令消息必须有SCCP的支持，SCCP的地址是由GT、DPC、SSN组成。,47,MAP支持的程序,-位置登记/删除-切换-复原-操作维护-补充业务-短消息处理-呼叫处理IMEI的管理,48,位置登记/删除,VLR HLR PVLR,Send Authen,Send Authen Ack,Update-location,Cancel-location,Cancel-location Ack,Insert Sub.Data,Insert Sub.Date Ack,Update-location Ack,49,故障后复原程序VLR复原,VLR HL
36、R,Provide Roaming Number,Provide Roaming Number Ack.,Send Authentication,Send Authentication Ack.,Restore Data,50,故障后复原程序VLR复原,Insert Sub. Data,Insert Sub. Data Ack,Restore Data Ack.,51,故障后复原程序HLR复原,HLR VLR,Reset,Update Location,Active Trace Mode,Active Trace Mode Ack.,Insert Sub.Data,Insert Sub.Dat
37、a Ack,Update Location Ack,52,呼叫建立期间获得路由数据,GMSC HLR VLR,Send Routing Information,SRI Ack.,Provide Roaming Number,PRN Ack.,53,移动发起短消息业务传送,MSC/VLR HLR SC,Forward SM,Forward SM Ack,Send Routing Info,Send Routing Infor for SM Ack.,54,短消息提醒程序,MSC/VLR HLR SC,Ready for SM,Ready for SM Ack.,Alert SMC,Alert S
38、MC Ack.,55,位置更新过程,VLR,HLR,VLR,BSS,VMSC,Um,A,B,new,old,Loc update,cancellation,Id inquiring,Location Update 的起因：1） SIM卡第一次使用2）位置区发生变化3）周期位置更新4）IMSI attach/detach,D,D,G,56,位置更新流程 (1),在同一VLR/MSC中的位置更新,MS,VMSC,VLR,BSS,Loc upd req,Cmpl L3 Info,Upd loc area,Authenticate,Authentication req,Authentication r
39、esp,Authenticate ack,Fwd new TMSI ack,Cipher mode cmd,Ciphering mode cmd,Upd loc area ack,Ciphering mode comp,Cipher mode comp,Loc upd acc,TMSI reallocation cmp,Fwd new TMSI,Set ciphering mode,Update location areaTarget location area IdServing cell IdLocation update typeIMSITMSIPrevious location are
40、a Id,Update location area ACKUser errorProvider error,User errorunknown subscriberunknown location arearoaming not allowedillegal subscriberillegal equipmentsystem failure;,AuthenticateRANDCKSN,Authenticate ACKSRES,Set Ciphering Modeciphering mode:no,A5/17Kc,Forward New TMSITMSI,Forward New TMSI ACK
41、Provider error,57,位置更新流程 (2),在新的VLR中的位置更新，原VLR可及,MS,VMSC,VLRn,BSS,Loc upd req,Upd Loc area,Auth.,Auth. req,Auth. resp,Auth. ack,Set ciph. mode,Ciph. Mode cmd,Ciph. mode cmd,FWD new TMSI,Ciph. mode cmp,Ciph. mode cmp,Loc upd acc,Fwd new TMSI ack,TMSI reallocation cmp,HLR,Upd loc,Upd loc ack,VLRo,Send
42、 Id,Send Id ack,Cancel location.,Cancel location ack,Upd Loc area ack,Send IdentificationTMSI,Send Identification ackIMSIAuthentication setUser error:unidentified subscriberProvider error,Update locationIMSIMSC addressVLR numberLMSI,Update location ackHLR numberUser errorProvider error,User errorunk
43、nown subscriberroaming not allowedsystem failure;unexpected data value,Cancel locationIMSILMSI,Cancel location ackUser error: unexpected data valueProvider error,Insert subs data,Insert subs data ack,Insert subscriber dataIMSIMSISDNCategorySubscriber statusBearer service listTeleservice list Fwd inf
44、o listCall bar info listCUG info listSS-data listOperator determined barring general dataOperator determined barring HPLMN dataRoaming restriction due to unsupported featureRegional subscription dataVLR CAMEL subscription info,Insert subscriber data ackBearer service listTeleservice listOperator det
45、ermined barring general dataSS code listRegional subscription responseSupported CAMEL phasesUser error:unidentified subscriber,data missing,unexpected data valueProvider error,Cmpl L3 Info,58,位置更新流程 (3),在新的VLR中的位置更新，原VLR不可及,MS,VMSC,VLRn,BSS,Loc upd req,Upd Loc area,Auth.,Auth. req,Auth. resp,Auth. a
46、ck,Set ciph. mode,Ciph. Mode cmd,Ciph. mode cmd,FWD new TMSI,Ciph. mode cmp,Ciph. mode cmp,Loc upd acc,Fwd new TMSI ack,TMSI reallocation cmp,HLR,Upd loc,Upd loc ack,VLRo,Cancel location.,Cancel location ack,Upd Loc area ack,Provide IMSI ackIMSIuser error:absent subscriberProvider error,Provide IMSI,ID req,ID resp,Provide IMSI ack,Send Auth. info,Send Auth info ack,Insert subs data,
