ABIS 有线接口信令及协议ppt课件

1、上海大唐挪动通讯设备2003.12GSM挪动通讯系统原理培训讲义有线接口信令协议1Abis接口信令2主叫流程一MSBSCChannel activation ackChannel activationChannel requiredCM service acceptCall proceedingSABM(cm_serv_req)Immediate assign commandestablish indicationBTSChannel requestUA(cm_serv_req)Immediate assignment SetupData request(CM service accept)D

2、ata Ind(Setup)Data request(Call proceeding)3主叫流程二MSBSCBTSChannel activation ackAssignment commandestablish indicationAssignment CompleteDeactivate SACCHRelease request(local end rel)Release confirmRF Channle releaseRF Channel release ackAlertingConnectConnect acknowledgeSABMUAChannel activationData

3、req.(Assignment command)Data Ind.(Assignment Complete)Data req.(Alerting)Data req.(Connect)Data Ind.(Connect acknowledge)4主叫流程三MSBSCBTSChannel ReleaseRelease CompleteReleaseRF Channle releaseDISCDeactivate SACCHRF Channel release ackRelease IndicationUADisconnectData Ind.(Disconnect)Data Req.(Releas

4、e)Data Ind.(Release Complete)Data Req.(Channel Release)5主叫流程四MSBSCBTSChannel ReleaseRelease CompleteReleaseRF Channle releaseDISCDeactivate SACCHRF Channel release ackRelease IndicationUADisconnectData Ind.(Disconnect)Data Req.(Release)Data Ind.(Release Complete)Data Req.(Channel Release)6被叫流程一MSBSC

5、BTSChannel activation ackChannel activationChannel requiredCall confirmSABM(pag_resp)Immediate assign commandestablish 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

6、MSBSCBTSChannel activation ackAssignment commandestablish indicationAssignment CompleteDeactivate SACCHRelease requestRelease confirmRF Channle releaseRF Channel release ackAlertingConnectConnect acknowledgeSABMUAChannel activationData req.(Assignment command)Data ind.(Assignment Complete)Data ind.(

7、Alerting)Data ind.(Connect)Data req.(Connect acknowledge)8小区间切换MSBSCBTS1BTS2Channel activationChannel activation ackMeasurement resultHandover commandMeasurement reportHandover accessHandover completeSABMUAData ind.(HO complete)Physical informationestablish indicationHandover detectionRelease Reques

8、t(local)Release ConfirmationRF Channel Release ACKRF Channel ReleaseData req.(HO command)9A 接 口 信 令10A接口信令11A接口信令MSBSSMSCASSIGNMENT REQUESTASSIGNMENT COMMANDASSIGNMENT COMPLETEASSIGNMENT COMPLETEASSIGNMENT REQUESTChannel TypePriorityCircuit Identity Code(MSC Allocate)Downlink DTX FlagInterference Ba

9、nd 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)

10、PriorityPreemption Capability IndicatorPriority Level:114Queueing Allowed Indicator:Allowed/not AllowedPreemption Vulnerability IndicatorCircuit Identity Codea-k:PCM No.,max 2048xxxxx:timeslot No.Interference Band To Be Usedbitmap format for band1band5RR CauseNormalCircuit PoolNo1:FRV1;FR Data 12/6/

11、3.6kbit/sNo4:FRV2; FR Data 12/6/3.6kbit/sN05:FRV1;FRV2; FR Data 12/6/3.6kbit/sClassmark Information 2Phase1/Phase2 MSControlled Early Classmark Sending RF Power CapabilityPseudo Synchronization CapabilitySupplementary Service Screening IndicationMT SMS pt. To pt. CapabilityFrequency Capability(GSM90

12、0 Extended?)A5/1;A5.2;A5/3Classmark 3 T1012A接口信令MSBSSMSCASSIGNMENT REQUESTASSIGNMENT COMMANDASSIGNMENT FAILUREASSIGNMENT FAILUREASSIGNMENT FAILURECauseRR CauseCircuit PoolCircuit Pool ListCauseRequested terrestrial resource unavailableRequested transcoding/rate adaption availableRequested speech ver

13、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 channelT10ASSIGNMENT FAILUREASSIGNMENT FAILURE13A接口信令MSBSSMSCClear Requ

14、estCauseCauseRadio interface message failureO&M interventionProtocol error between BSS and MSCPreemptionCLEAR COMMANDCLEAR REQUESTCLEAR COMPLETEClear CommandCauseCauseCall controlO&M interventionEquipment failureHandover successfulProtocol error between BSS and MSC14A接口信令Handover RequiredCauseRespon

15、se RequestCell Identifier List(Preferred)Circuit Pool ListCurrent ChannelSpeech Version(Used)Queueing IndicatorCauseUplink QualityUplink StrengthDownlink QualityDownlink StrengthDistanceBetter CellTrafficResponse toMSC InvocationDirected RetrySwitch Circuit PoolPreemptionO&M InterventionResponse Req

16、uestRequest HANDOVER REQUIRED REJECT if result in no handover Cell Identifier ListMax n,which is set by O&M,from 1 to 16, list is given in order of preferenceCauseO&M interventionEquipment failureRequested terrestrial resource unavailableInvalid message contentsRequested transcoding/rate adaptation

17、unavaliableCauseRequested terrestrial resource unavailable 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 i

18、nterface failure,reversion to old channelTerrestrial resource already allocatedHandover RequestChannel TypeEncryption InformationClassmark Information 1 or 2Cell Identifier(Serving)PriorityCircuit Identity CodeDownlink DTX FlagCell Identifier(Target)Interference Band To Be UsedCauseClassmark Informa

19、tion 3Current ChannelSpeech version(Used)Config. Evolution IndChosen Encryption Algorithm(Serving)Configuration Envolution IndicationSMI:Subsequent Modification Indication,whether modification is allowed or notClassmark Information 1Phase1/Phase2 MSControlled Early Classmark Sending RF Power Capabil

20、ityA5/1 Classmark Information 3Multi-bands supported,E-GSM/DCS1800/R-GSMRF Power Capability for each bandA5/4,A5/5,A5/6,A5/7UCS2Handover FailureCauseRR CauseCircuit PoolCircuit Pool ListHandover Required RejectCauseHandover Request ACKLayer3 InformationChosen ChannelChosen Encryption AlgorithmCircui

21、t PoolCircuit Identity CodeHandover CommandLayer3 InformationCell IdentifierMSBSSMSCHANDOVER REQUIREDHANDOVER REQUIED(1)T7HANDOVER COMMANDHANDOVER REQUIRED REJECTHANDOVER REQUESTBSSHANDOVER FAILUREHANDOVER REQUEST ACKT8HANDOVER COMMANDHANDOVER ACCESSHANDOVER DETECTHANDOVER COMPLETEHANDOVER COMPLETEC

22、LEAR COMMANDCLEAR COMPLETECLEAR REQUESTHANDOVER FAILURECLEAR COMMANDCLEAR COMPLETEHANDOVER FAILUREHandover DetectNo information element except for message typeHandover CompleteRR Cause15A接口信令Handover PerformedCauseCell IdentifierChosen ChannelChosen Encryption AlgorithmSpeech Version(Chosen)MSBSSMSC

23、T8HANDOVER COMMANDCLEAR COMMANDCLEAR COMPLETECLEAR REQUESTHANDOVER FAILUREHANDOVER ACCESSHANDOVER COMPLETEHANDOVER PERFORMEDCauseUplink QualityUplink StrengthDownlink QualityDownlink StrengthDistanceBetter CellTrafficDirected RetrySwitch Circuit PoolPreemptionO&M Intervention16A接口信令Handover Performe

24、dCauseCell IdentifierChosen ChannelChosen Encryption AlgorithmSpeech Version(Chosen)MSBSSMSCT10ASSIGNMENT COMMANDCLEAR COMMANDCLEAR COMPLETECLEAR REQUESTASSIGNMENT FAILUREASSIGNMENT COMPLETEHANDOVER PERFORMEDCauseUplink QualityUplink StrengthDownlink QualityDownlink StrengthSwitch Circuit PoolO&M In

25、tervention17A接口信令MSBSSMSCPagingIMSITMSICell Identifier ListChannel NeededCell Identifier ListCell Identification discrimination:1.CGI2.LAC+CI3.CI4.No Cell5.LAI6.LAC7.All Cells on the BSSPAGINGPAGING REQUEST TYPE 1/2/3Channel NeededAny channel(default)SDCCHTCH/FTCH/H or TCH/F18A接口信令MSBSSMSCCM SERVICE

26、 REQUESTPAGING RESPONSECOMPLETE LAYER 3 INFORMATIONComplete Layer 3 InformationCell IdentifierLayer 3 InformationChosen ChannelCM REESTABLISHMENT REQUESTLOCATION UPDATING REQUESTIMSI DETACHExtract classmark information19A接口信令MSBSSMSCClassmark updateClassmark Information 2Classmark Information 3CLASS

27、MARK REQUESTCLASSMARK ENQUIRYCLASSMARK CHANGECLASSMARK UPDATE(option suppress or delay)CLASSMARK UPDATE(handover)20A接口信令MSBSSMSCCipher Mode CommandEncryption InformationCipher Response ModeCIPHER MODE COMMANDCIPHERING MODE COMMANDCIPHERING MODE COMPLETECIPHER MODE COMPLETECIPHER MODE REJECTEncryptio

28、n InformationPermitted algorithm:A5/1,A5/2, A5/3,A5/4, A5/5,A5/6, A5/7KeyCipher response ModeIMSI must (not) be included by MSCipher Mode RejectCauseCauseCiphering algorithm not supportedInvalid message contentsCipher Mode CompleteLayer 3 message contentsChosen Encryption Algorithm21A接口信令BSSMSCASSIG

29、NMENT REQUESTASSIGNMENT FAILUREQUEUING INDICATIONQueuing Indicationonly Message typeASSIGNMENT COMPLETECLEAR REQUEST(?)T11BSSMSCHANDOVER REQUESTHANDOVER FAILUREQUEUING INDICATIONHANDOVER REQUEST ACKHANDOVER FAILURETqho22A接口信令MSBSSMSCBLOCK/UNBLOCKBLOCKCircuit Identity CodeCauseConnection Release Requ

30、estedCauseNo radio resource availableO&M intervention Equipment failureT1BLOCK/UNBLOCK ACKBLOCK/UNBLOCK ACKBLOCK/UNBLOCKT1Notify to O&MBLOCK/UNBLOCK ACKNOWLEDGECircuit Identity CodeUNBLOCKCircuit Identity Code23A接口信令MSBSSMSCCIRCUIT GROUP BLOCK/UNBLOCKCIRCUIT GROUP BLOCKCauseCircuit Identity CodeCirc

31、uit Identity Code ListCauseNo radio resource availableO&M intervention Equipment failureT20CIRCUIT GROUP BLOCK/UNBLOCK ACKCIRCUIT GROUP BLOCK/UNBLOCK ACKCIRCUIT GROUP BLOCK/UNBLOCKT20Notify to O&MCIRCUIT GROUP BLOCK/UNBLOCK ACKNOWLEDGECircuit Identity CodeCircuit Identity Code ListCIRCUIT GROUP UNBL

32、OCKCircuit Identity CodeCircuit Identity Code ListCircuit Identity Code ListRange,Max 255,from CIC to CIC+255Status,no indication/block 24A接口信令MSBSSMSCBLOCK/UNBLOCKBLOCKCircuit Identity CodeCauseConnection Release RequestedCauseNo radio resource availableO&M intervention Equipment failureT21BLOCK/UN

33、BLOCK ACKBLOCK/UNBLOCK ACKBLOCK/UNBLOCKT21Notify to O&MBLOCK/UNBLOCK ACKNOWLEDGECircuit Identity CodeUNBLOCKCircuit Identity Code25A接口信令MSBSSMSCCIRCUIT GROUP BLOCK/UNBLOCKCIRCUIT GROUP BLOCKCauseCircuit Identity CodeCircuit Identity Code ListCauseNo radio resource availableO&M intervention Equipment

34、 failureT22CIRCUIT GROUP BLOCK/UNBLOCK ACKCIRCUIT GROUP BLOCK/UNBLOCK ACKCIRCUIT GROUP BLOCK/UNBLOCKT22Notify to O&MCIRCUIT GROUP BLOCK/UNBLOCK ACKNOWLEDGECircuit Identity CodeCircuit Identity Code ListCIRCUIT GROUP UNBLOCKCircuit Identity CodeCircuit Identity Code ListCircuit Identity Code ListRang

35、e,Max 255,from CIC to CIC+255Status,no indication/block 26A接口信令MSBSSMSCRESOURCE REQUESTPeriodicity100ms25500msRESOURCE INDICATION(1/2/3/4)RESOURCE INDICATION(3)RESOURCE INDICATION(1) condition metPeriodResource RequestPeriodicityResource Indication MethodCell IdentifierExtended Resource IndicationRe

36、source Indication Method1:Spontaneous resource information expected 2:One single resource infoprmation expected3:Periodic resource information expected4: No resource information expectedExtended Resource IndicationSM:Subsequent Mode(only valid forRIM=2)0-Method 41-if RIM of before is 1 or 3, no chan

37、ged; otherwise, 4TARR:Total Accessible Resource RequestedResource AvaliableBand1Band5, number of idle FR/HRResource IndicationResource Indication MethodResource AvaliableCell IdentifierTotal Resource Accessible27A接口信令MSBSSMSCRESETResetCauseCauseO&M intervention Equipment failureT13RESET ACKRESET (n)

38、RESET (1)T16T1628A接口信令MSBSSMSCRESETResetCauseCauseO&M intervention Equipment failureT2RESET ACKRESET (n)RESET (1)T4T429A接口信令MSBSSMSCRESET CIRCUITReset CircuitCircuit Identity CodeCauseCauseO&M intervention Equipment failureRESET CIRCUIT ACKRESET CIRCUIT(n)RESET CIRCUIT(1)T19T19UNEQUIPPED CIRCUITRese

39、t Circuit ACK/Unequipped CircuitCircuit Identity Code30A接口信令MSBSSMSCRESET CIRCUITReset CircuitCircuit Identity CodeCauseCauseO&M intervention Equipment failureRESET CIRCUIT ACKRESET CIRCUIT(n)RESET CIRCUIT(1)T12T12UNEQUIPPED CIRCUITReset Circuit ACK/Unequipped CircuitCircuit Identity Code31A接口信令MSBS

40、SMSCHANDOVER CANDIDATE ENQUIREHandover Candidate EnquireNumber of MSsCell Identifier ListCell IdentifierHANDOVER REQUIRED(1)HANDOVER REQUIRED(n)Handover Candidate ResponseNumber of MSsCell IdentifierHANDOVER CANDIDATE RESPONSE32A接口信令BSSMSCOverloadCauseOVERLOADCauseProcessor overloadO&M interventionO

41、VERLOAD(ignored)T18T17OVERLOADDecrease random access traffic by 1 stepDecrease random access traffic by 1 stepIncrease random access traffic by 1 step33A接口信令BSSMSCOverloadCauseCell IdentifierOVERLOADCauseProcessor overloadO&M interventionCCCH overloadOVERLOAD(ignored)T6T5OVERLOADDecrease MSC origina

42、ted traffic by 1 stepDecrease MSC originated traffic by 1 stepIncrease MSC originated traffic by 1 step34A接口信令MSBSSMSCDTAP MESSAGE(SAPI in DLCI0)SAPI “n RejectDLCICauseSAPI “n REJECTCauseO&M interventionProcessor overloadBSS not equippedMS not equipped35A接口信令MSBSSMSCCONFUSIONConfusionCauseDiagnostic

43、sCONFUSIONCauseInvalid message contentsInformation element or field missingIncorrect valueUnknown message typeUnknown information element Protocol error between BSS and MSCInvalid cellUNEQUIPPED CIRCUITUNEQUIPPED CIRCUITUnequipped CircuitCircuit Identity CodeCircuit Identity Code List36A接口信令BSSMSCBS

44、SLOAD INDICATIONCauseO&M interventionEquipment failureNo radio resource availableProcessor overloadTraffic loadLoad IndicationTime IndicationCell IdentifierCell Identifier List(Target)Resource Situation(if without, the indicated cell is not able to perform incoming handover request)CauseLOAD INDICAT

45、IONTime Indication0:No value valid255:infiniteothers:10s2540sResource Situationnumber of SDCCH channel in each interference bandnumber of TCH/F channel in each interference band37A接口信令38MAP 接 口 信 令39MAP所运用的接口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、短音讯MSC-EIR 设备鉴权40MAPGSM网挪动系统实体归属位置存放器(HL

46、R)访问位置存放器(VLR)挪动业务交换中心(MSC)设备识别积存器(EIR)关口局MSC(GMSC)41动态数据库VLRVLR (Visitor Location Register)：访问位置存放器。实践上是一个数据库，储存用户信息，主要包括：MSRN (Mobile Station Roaming Number) : 挪动台遨游号码TMSI (Temporary Mobile Subscriber Identification) : 暂时挪动用户身份挪动台登记的位置区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用于用户的身份严密。42静态数据库HLRHLR (Hom

47、e Location Register)：归属位置存放器。实践上是一个数据库，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43MAP的运用GSM NO.7信令网的等级构造HSTPHSTPHSTPLSTPLSTPSPSPSP44信令网和话路网的对应关系TMSC1HSTPH&LSTPTMSC1TMSC2MSCLSTPTMSC2MSC 话路 信令链 45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

48、支持一个物理实体同时和几个物理实体的通讯，主要功能是支持挪动用户的位置登记、位置删除、用户业务管理、参数管理、遨游、越区切换、鉴权、严密数据传输等。 CIC表示该音讯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实际上可载送212 =4096条话路的信令音讯。在GSM信令网SP、STP间传送MAP信令音讯必需有SCCP的支持，SCCP的地址是由GT、DPC、SSN组成。46MAP支持的程序位置登记/删除切换复原操作维护补充业务短音讯处置呼叫处置IMEI的管理47位置登记/删除 VLR HLR PVLRSend AuthenSend Authen AckUpdate-locationC

49、ancel-locationCancel-location AckInsert Sub.DataInsert Sub.Date AckUpdate-location Ack48缺点后复原程序VLR复原 VLR HLRProvide Roaming NumberProvide Roaming Number Ack.Send AuthenticationSend Authentication Ack.Restore Data49缺点后复原程序VLR复原 Insert Sub. DataInsert Sub. Data AckRestore Data Ack.50缺点后复原程序HLR复原 HLR V

50、LR ResetUpdate LocationActive Trace ModeActive Trace Mode Ack.Insert Sub.DataInsert Sub.Data AckUpdate Location Ack51呼叫建立期间获得路由数据 GMSC HLR VLRSend Routing InformationSRI Ack.Provide Roaming NumberPRN Ack.52挪动发起短音讯业务传送 MSC/VLR HLR SCForward SMForward SM AckSend Routing InfoSend Routing Infor for SM A

51、ck.53短音讯提示程序MSC/VLR HLR SCReady for SMReady for SM Ack.Alert SMCAlert SMC Ack.54位置更新过程VLRHLRVLRBSSVMSCUmABnewoldLoc updatecancellationId inquiringLocation Update 的原因：1 SIM卡第一次运用2位置区发生变化3周期位置更新4IMSI attach/detachDDG55位置更新流程 (1)在同一VLR/MSC中的位置更新MSVMSCVLRBSSLoc upd reqCmpl L3 InfoUpd loc area Authentica

52、te Authentication reqAuthentication respAuthenticate ackFwd new TMSI ackCipher mode cmdCiphering mode cmdUpd loc area ackCiphering mode compCipher mode compLoc upd accTMSI reallocation cmpFwd new TMSISet ciphering modeUpdate location areaTarget location area IdServing cell IdLocation update typeIMSI

53、TMSIPrevious location area IdUpdate location area ACKUser errorProvider errorUser errorunknown subscriberunknown location arearoaming not allowedillegal subscriberillegal equipmentsystem failure;AuthenticateRANDCKSNAuthenticate ACKSRESSet Ciphering Modeciphering mode:no,A5/17KcForward New TMSITMSIFo

54、rward New TMSI ACKProvider error56位置更新流程 (2)在新的VLR中的位置更新，原VLR可及MSVMSCVLRnBSSLoc upd reqUpd Loc area Auth.Auth. reqAuth. respAuth. ackSet ciph. modeCiph. Mode cmdCiph. mode cmdFWD new TMSICiph. mode cmpCiph. mode cmpLoc upd accFwd new TMSI ackTMSI reallocation cmpHLRUpd locUpd loc ackVLRoSend IdSend

55、Id ackCancel location.Cancel location ackUpd Loc area ackSend IdentificationTMSISend Identification ackIMSIAuthentication setUser error:unidentified subscriberProvider errorUpdate locationIMSIMSC addressVLR numberLMSIUpdate location ackHLR numberUser errorProvider errorUser errorunknown subscriberro

56、aming not allowedsystem failure;unexpected data valueCancel locationIMSILMSICancel location ackUser error: unexpected data valueProvider errorInsert subs dataInsert subs data ackInsert subscriber dataIMSIMSISDNCategorySubscriber statusBearer service listTeleservice list Fwd info listCall bar info li

57、stCUG info listSS-data listOperator determined barring general dataOperator determined barring HPLMN dataRoaming restriction due to unsupported featureRegional subscription dataVLR CAMEL subscription infoInsert subscriber data ackBearer service listTeleservice listOperator determined barring general

58、 dataSS code listRegional subscription responseSupported CAMEL phasesUser error:unidentified subscriber,data missing,unexpected data valueProvider errorCmpl L3 Info57位置更新流程 (3)在新的VLR中的位置更新，原VLR不可及MSVMSCVLRnBSSLoc upd reqUpd Loc area Auth.Auth. reqAuth. respAuth. ackSet ciph. modeCiph. Mode cmdCiph.

59、mode cmdFWD new TMSICiph. mode cmpCiph. mode cmpLoc upd accFwd new TMSI ackTMSI reallocation cmpHLRUpd locUpd loc ackVLRoCancel location.Cancel location ackUpd Loc area ackProvide IMSI ackIMSIuser error:absent subscriberProvider errorProvide IMSIID reqID respProvide IMSI ackSend Auth. infoSend Auth

60、info ackInsert subs dataInsert subs data ackCmpl L3 Info58位置更新流程 (4)在新的VLR中的位置更新，原VLR可及，但信息丧失MSVMSCVLRnBSSLoc upd reqUpd Loc area Set ciph. modeCiph. Mode cmdCiph. mode cmdFWD new TMSICiph. mode cmpCiph. mode cmpLoc upd accFwd new TMSI ackTMSI reallocation cmpHLRUpd locUpd loc ackVLRoCancel location