【正文】 RetrySwitch Circuit Pool PreemptionOM Intervention16A接口信令Handover PerformedCauseCell IdentifierChosen ChannelChosen Encryption AlgorithmSpeech Version(Chosen)MS BSS MSCT10ASSIGNMENT COMMANDCLEAR COMMANDCLEAR COMPLETECLEAR REQUESTASSIGNMENT FAILUREASSIGNMENT COMPLETE HANDOVER PERFORMEDCauseUplink Quality Uplink StrengthDownlink Quality Downlink StrengthSwitch Circuit Pool OM Intervention17A接口信令MS BSS MSCPagingIMSITMSICell Identifier ListChannel NeededCell Identifier ListCell Identification discrimination:+CI Cell Cells on the BSSPAGINGPAGING REQUEST TYPE 1/2/3Channel NeededAny channel(default)SDCCHTCH/FTCH/H or TCH/F18A接口信令MS BSS MSCCM SERVICE REQUESTPAGING RESPONSECOMPLETE LAYER 3 INFORMATIONComplete Layer 3 InformationCell IdentifierLayer 3 InformationChosen ChannelCM REESTABLISHMENT REQUESTLOCATION UPDATING REQUESTIMSI DETACHExtract classmark information19A接口信令MS BSS MSCClassmark updateClassmark Information 2Classmark Information 3CLASSMARK REQUESTCLASSMARK ENQUIRYCLASSMARK CHANGE CLASSMARK UPDATE(option suppress or delay)CLASSMARK UPDATE(handover)20A接口信令MS BSS MSCCipher Mode CommandEncryption InformationCipher Response ModeCIPHER MODE COMMANDCIPHERING MODE COMMANDCIPHERING MODE COMPLETECIPHER MODE COMPLETECIPHER MODE REJECTEncryption 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BSS MSCASSIGNMENT REQUESTASSIGNMENT FAILUREQUEUING INDICATIONQueuing Indicationonly Message typeASSIGNMENT COMPLETECLEAR REQUEST(?)T11BSS MSCHANDOVER REQUESTHANDOVER FAILUREQUEUING INDICATIONHANDOVER REQUEST ACKHANDOVER FAILURETqho22A接口信令MS BSS MSCBLOCK/UNBLOCKBLOCKCircuit Identity CodeCauseConnection Release RequestedCauseNo radio resource availableOM intervention Equipment failureT1BLOCK/UNBLOCK ACKBLOCK/UNBLOCK ACKBLOCK/UNBLOCKT1Notify to OMBLOCK/UNBLOCK ACKNOWLEDGEUNBLOCK23A接口信令MS BSS MSCCIRCUIT GROUP BLOCK/UNBLOCKCIRCUIT GROUP BLOCKCauseCircuit Identity CodeCircuit Identity Code ListCauseNo radio resource availableOM intervention Equipment failureT20CIRCUIT GROUP BLOCK/UNBLOCK ACKCIRCUIT GROUP BLOCK/UNBLOCK ACKCIRCUIT GROUP BLOCK/UNBLOCKT20Notify to OMCIRCUIT GROUP BLOCK/UNBLOCK ACKNOWLEDGECircuit Identity CodeCircuit Identity Code ListCIRCUIT GROUP UNBLOCKCircuit Identity CodeCircuit Identity Code ListCircuit Identity Code ListRange,Max 255,from CIC to CIC+255Status,no indication/block 24A接口信令MS BSS MSCBLOCK/UNBLOCKBLOCKCircuit Identity CodeCauseConnection Release RequestedCauseNo radio resource availableOM intervention Equipment failureT21BLOCK/UNBLOCK ACKBLOCK/UNBLOCK ACKBLOCK/UNBLOCKT21Notify to OMBLOCK/UNBLOCK ACKNOWLEDGEUNBLOCK25A接口信令MS BSS MSCCIRCUIT GROUP BLOCK/UNBLOCKCIRCUIT GROUP BLOCKCauseCircuit Identity CodeCircuit Identity Code ListCauseNo radio resource availableOM intervention Equipment failureT22CIRCUIT GROUP BLOCK/UNBLOCK ACKCIRCUIT GROUP BLOCK/UNBLOCK ACKCIRCUIT GROUP BLOCK/UNBLOCKT22Notify to OMCIRCUIT GROUP BLOCK/UNBLOCK ACKNOWLEDGECircuit Identity CodeCircuit Identity Code ListCIRCUIT GROUP UNBLOCKCircuit Identity CodeCircuit Identity Code ListCircuit Identity Code ListRange,Max 255,from CIC to CIC+255Status,no indication/block 26A接口信令MS BSS MSCRESOURCE REQUESTPeriodicity100ms~25500msRESOURCE INDICATION(1/2/3/4)RESOURCE INDICATION(3)RESOURCE INDICATION(1) condition metPeriodResource RequestPeriodicityResource Indication MethodCell IdentifierExtended Resource IndicationResource 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)0Method 41if RIM of before is 1 or 3, no changed。實(shí)際上是一個(gè)數(shù)據(jù)庫，儲(chǔ)存用戶信息，主要包括：– MSRN (Mobile Station Roaming Number) : 移動(dòng)臺漫游號碼– TMSI (Temporary Mobile Subscriber Identification) : 臨時(shí)移動(dòng)用戶身份– 移動(dòng)臺登記的位置區(qū)（ LAC）– 與補(bǔ)充業(yè)務(wù)有關(guān)的數(shù)據(jù)? 可分配一個(gè) MSRN，還可以分配一個(gè) TMSI用于用戶的身份保密。實(shí)際上是一個(gè)數(shù)據(jù)庫，主要儲(chǔ)存二類數(shù)據(jù)：– 用戶數(shù)據(jù)，主要包括：? 用戶的身份 IMSI (International Mobile Subscriber Identification)? 用戶 ISDN號碼? VLR地址– 用戶的位置信息43MAP的應(yīng)用? GSM HSTP HSTP HSTPLSTP LSTPSPSP SP44信令網(wǎng)和話路網(wǎng)的對應(yīng)關(guān)系? TMSC1 HSTP HLSTP TMSC1TMSC2MSCLSTP TMSC2MSC 話路 信令鏈 45信令網(wǎng)的尋址方式? MAP是專為 GSM要求而設(shè)計(jì)的，是 TCAP的一個(gè)客戶，位于 TCAP之上。 CIC表示該消息屬于哪條話音電路（它的長度是 12比特，因此一條數(shù)字信令鏈路理論上可載送 212 =4096條話路的信令消息）。46MAP支持的程序? 位置登記 /刪除? 切換? 復(fù)原? 操作維護(hù)? 補(bǔ)充業(yè)務(wù)? 短消息處理? 呼叫處理? IMEI的管理47位置登記 /刪除? VLR HLR PVLRSend AuthenSend Authen AckUpdatelocationCancellocationCancellocation AckInsert Insert AckUpdatelocation Ack48故障后復(fù)原程序 ——VLR 復(fù)原? VLR HLRProvide Roaming NumberProvide Roaming Number Ack.Send AuthenticationSend Authentication Ack.Restore Data49故障后復(fù)原程序 ——VLR 復(fù)原? Insert Sub. DataInsert Sub. Data AckRestore Data Ack.50故障后復(fù)原程序 ——HLR 復(fù)原? HLR VLR ResetUpdate LocationActive Trace ModeActive Trace Mode Ack.Insert Insert AckUpdate Location Ack51呼叫建立期間獲得路由數(shù)據(jù)? GMSC HLR VLRSend Routing InformationSRI Ack.Provide Roaming NumberPRN Ack.52移動(dòng)發(fā)起短消息業(yè)務(wù)傳送? MSC/VLR