培訓(xùn)可保持性指標(biāo)體現(xiàn)是業(yè)務(wù)是否能持續(xù)不中斷能力涉及到KPI如掉線

KRRERA來RREEERAB承載信道，正常以及異常的流ThispageisleftblankYYYY-MM-Last 2012-01-IkramANDONIANFourth2012-11-Pascal E4.02013-04-Pascal E6.03UE4 監(jiān)RR才去RRE動，RRC仍則的信令承載。收到終端回應(yīng)的RRCConnectionSetupComplete消息后，下發(fā)RRCConnectionReconfiguration消息重新配置SRB2以及DRB承載。最后終端發(fā)送RRCConnectionReconfiguration若終端此時移動到其他ENB上發(fā)起重建請求的話，由于新的ENB不認(rèn)識這個C-RNTI號，因此會本次重建請Re-establishmentissuccessfullyperformed系統(tǒng)切換類這42:intereNodeBoverS1handoverprocedureis系統(tǒng)切換類這42:intereNodeBoverS1handoverprocedureis3:handoverprocedureisongoing;theThecellonwhichthere-establishmentisperformedisnotthecell(oftheHOprocedure)4:Re-establishmentissuccessfullyperformedbutthereisnohandoverprocedureongoingwhenrequestforre-establishmentisreceived.Thecellonwhichthere-establishmentisrequestedisnottheservingcell.5:Re-establishmentissuccessfullyperformedonservingcellandthereisnohandoverprocedureongoing.6:intraeNodeBinter-frequencyhandoverprocedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.7:intereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.8:intereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.9:intereNodeBinter-frequencyotherframestructure(TDD<>FDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.10:intereNodeBinter-frequencyotherframe(TDD<>FDD)structurehandoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell. ingPShandoverfromUTRANprocedureisongoing.Thecellonwhichthereestablishmentisrequestedisthe 說完成功率后接下去看看失敗情況，RRC重建一共區(qū)分了13種失敗原因，很多失敗原因大家都很眼熟，實際上失1:Re-establishmentissuccessfullyperformedwhenintereNodeBoverX2handoverprocedureis2:Re-establishmentissuccessfullyperformedwhenintereNodeBoverS1handoverprocedureisongoing3:Re-establishmentissuccessfullyperformedwhenhandoverprocedureisongoing;theThecellonwhichthere-establishmentisperformedisnotthecell(oftheHOprocedure)4:Re-establishmentissuccessfullyperformedbutthereisnohandoverprocedureongoingwhenrequestforre-establishmentisreceived.Thecellonwhichthere-establishmentisrequestedisnottheservingcell.5:Re-establishmentissuccessfullyperformedonservingcellandthereisnohandoverprocedureongoing.6:Re-establishmentissuccessfullyperformedwhenintraeNodeBinter-frequencyhandoverprocedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.7:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.8:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.9:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframestructure(TDD<>FDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.10:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframe(TDD<>FDD)structurehandoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.11:Re-establishmentissuccessfullyperformedwhen ingPShandoverfromUTRANprocedureisongoing.Thecellonwhichthereestablishmentisrequestedisthe 這里列舉了3種失敗第一種是ENB沒有開啟重建允許開第二種是終端上發(fā)的C-RNTI號eNB不認(rèn)識，即終端在非原來的eNB上發(fā)起重第三種是ENB允許重建，下發(fā)了RRCConnectionReestablishment，但在計時器超時后仍沒有收到終端的響應(yīng)這里列舉了2類失敗第一種是ENB下發(fā)RRCConnectionReconfiguration后在計時器超時后仍未收到終端上發(fā)的RRCConnectionReconfigurationcomplete消息。這種情況可能是無線問題或者是終端問題第二種是在一個正在進(jìn)行的重新建立過程完成以前，eNodeB接收到另外一個來自相同UERrcConnectionReestablishmentRequest，這種情況終端問題可能性較RR邊路這里列舉了2MAC-I=MessageAuthenticationCode這里列舉了2Integrityprotection(atPDCPlevel)isrealizedbyaddingafieldknownasMAC-ItoeachRRC一類是UEShortMAC-IUEeNBShortMAC-I不匹配，這屬于終端或APDCPentityisassociatedwiththeControlPlaneandtheUserPlane.EachradiobearerisassociatedonePD重ntity，.正好對 進(jìn)行如重啟或者lock的操作，或者S1出現(xiàn)故FortheUserPlane,PDCPensuresheader pressionofIPdataflows(ROHC),ciphering/decipheringofuserdata,in-sequencedeliveryofPDUs,bufferingandforwardingPDUfromservingeNodeBtoeNodeBduringHO,time-baseddiscardingofSDUsinUL.FortheControlPlane,PDCPensuresciphering/decipheringofcontroldata,integrityprotectionandintegrityverificationofcontroldata,transferofcontroldata.ThedataunitthatisintegrityprotectedisthePDUheaderandthedatapartofthePDUbeforeciphering.IntegrityprotectionisprovidedbythefieldMAC-I(32bits).Attransmission,thevalueofMAC-IiscalculatedbasedonkeysprovidedbyRRClayer,radiobearerID,COUNTvalueandthedirectionoftransmission(COUNTisa32bitscounter,associatedwithaPDCPPDU,composedofHFN,HyperFramber,andPDCPSequenceNumber;itisusedforreorderingtheRLCpackets).ThereceivercomputestheexpectedmessageauthenticationcodeperPDUusingthesameparametersandalgosasthesenderandifitdoesnot AC-Ifield,thePDCPPDUisdiscarded.這里列舉了2類失敗ECA(EB）RR者eB基于上述失敗原因的計數(shù)器，可以統(tǒng)計重建失0:Re-establishmentissuccessfullyperformedwhenintraeNodeBhandoverprocedureisooRe-establishmentissuccessfullyperformedwhenintereNodeBoverS1handoverprocedureisongoing3Re-establishmentissuccessfullyperformedwhenhandoverprocedureisongoingtheThecellonwhichthere-establishmentisperformedisnotthecell(oftheHOprocedure)4:Re-establishmentissuccessfullyperformedbutthereisnohandoverprocedureongoingwhenrequestforre-establishmentisreceived.Thecellonwhichthere-establishmentisrequestedisnottheservingcell.5:Re-establishmentissuccessfullyperformedonservingcellandthereisnohandoverprocedureongoing.6:Re-establishmentissuccessfullyperformedwhenintraeNodeBinter-frequencyhandoverprocedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.7:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.8:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.9:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframestructure(TDD<>FDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.10:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframe(TDD<>FDD)structurehandoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.11:Re-establishmentissuccessfullyperformedwhen ingPShandoverfromUTRANprocedureisongoing.Thecellonwhichthereestablishmentisrequestedisthe 此外可以對的重建失敗分別統(tǒng)計失敗率，這里給了個CAC失敗率的統(tǒng)計方RRE文上了E是ERAUE上下文可以由MME發(fā)起，也可以由ENB發(fā)起，先來看看MME發(fā)起的流 L12507_1：UECONTEXTRELEASECOMMAND='Normalrelease'andnoUECONTEXTRELEASEREQUESTbeensentL12507_2：CausereceivedinUECONTEXTRELEASECOMMAND='AuthenticationFailure'andnoUECONTEXTRELEASEREQUESThasbeensentpreviously.L12507_3：receivedinUECONTEXTRELEASECOMMAND='Detach'andnoUECONTEXTRELEASEhasbeensentL12507_5：receivedinUECONTEXTRELEASECOMMAND='Normalrelease'andnoUECONTEXTRELEASEREQUESThasbeensentpreviouslyandUEcontextpreviouslyestablishedL12507_6：receivedinUECONTEXTRELEASECOMMAND='Detach‘a(chǎn)ndnoUECONTEXTRELEASEhasbeensentpreviouslyandUEcontextpreviouslyL12507_7：receivedinUECONTEXTRELEASECOMMAND='CSFallbacktriggered'andnoUECONTEXTRELEASEREQUESThasbeensentpreviouslyandUEcontextpreviouslyestablishedL12507_4：receivedinUECONTEXTRELEASECOMMAND='SuccessfulHandover'andnoUECONTEXTRELEASEREQUESThasbeensentpreviously從流程上看，ENB會向MME發(fā)送UeContextReleaseRequest消息，請求UE上下文MME隨之下發(fā)Uecontextreleasecommand消息，ENB收到該消息后會向終端發(fā)送RrcConnectionRelease消息L12507_0統(tǒng)計的是在ENB發(fā)起Uecontextreleaserequest消息后收到的Uecontextreleasecommand消息L12507_5統(tǒng)計的是UE上下文建立后，ENB收到正常原因的UecontextreleasecommandE文常況L12505_6：重定向數(shù)L12505_12：統(tǒng)計inter-frequency的重定向數(shù)這些由ENB發(fā)起的UE上下 請求的原因是網(wǎng)優(yōu)需要特別關(guān)注0:Re-establishmentissuccessfullyperformedwhenintraeNodeBhandoverprocedureisfdwhe 3:Re-establishmentissuccessfullyperformedwhenhandoverprocedureisongoing;theThecellonwhich5:Re-establishmentissuccessfullyperformedonservingcellandthereisnohandoverprocedureongoing.6:Re-establishmentissuccessfullyperformedwhenintraeNodeBinter-frequencyhandoverprocedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.7:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.8:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.9:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframestructure(TDD<>FDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.10:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframe(TDD<>FDD)structurehandoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.11:Re-establishmentissuccessfullyperformedwhen ingPShandoverfromUTRANprocedureisongoing.Thecellonwhichthereestablishmentisrequestedisthe 0:Re-establishmentissuccessfullyperformedwhenintraeNodeBhandoverprocedureisongoing1:Re-establishmentissuccessfullyperformedwhenintereNodeBoverX2handoverprocedureis2:Re-establishmentissuccessfullyperformedwhenintereNodeBoverS1handoverprocedureis3:Re-establishmentissuccessfullyperformedwhenhandoverprocedureisongoing;theThecellonwhichthere-establishmentisperformedisnotthecell(oftheHOprocedure)4:Re-establishmentissuccessfullyperformedbutthereisnohandoverprocedureongoingwhenrequestforre-establishmentisreceived.Thecellonwhichthere-establishmentisrequestedisnottheservingcell.5:Re-establishmentissuccessfullyperformedonservingcellandthereisnohandoverprocedure6:Re-establishmentissuccessfullyperformedwhenintraeNodeBinter-frequencyhandoverprocedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.7:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.8:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.9:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframestructure(TDD<>FDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.10:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframe(TDD<>FDD)structurehandoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.11:Re-establishmentissuccessfullyperformedwhen ingPShandoverfromUTRANprocedureisongoing.Thecellonwhichthereestablishmentisrequestedisthe 這種情況就是起始上下文建立失敗E-RAB上下文建立分配錯誤，即ENB上發(fā)InitialUEMessage消息后，在計時器規(guī)定時間內(nèi)沒有收到MME下發(fā)的INITIALCONTEXTSETUPREQUEST消息。因此在計時器超時后，ENB向MME發(fā)送UecontextreleaseRequest消息來UE上下文E文L250計MM1ee第二種是ENB檢查出S1存在故這兩種情況，ENB都會本地UE上下文，不會存在與MME交互的UecontextreleaseRequest與Uecontextreleasecommand，因此存在計數(shù)器LC12509來統(tǒng)計這類本地次數(shù)EeMbtERACa計時器，等待重定向成功后，MMEUecontextreleasecommand消息，若計時器超時仍未收到的話，第二個是E重定向到另外一個載頻的場景。當(dāng)eB收到終端上報的測量報告，需要觸發(fā)重定向到其他載頻時，向終端發(fā)送RoeReae消息，該消息包含了重定向的載頻信息。EB下發(fā)該消息的同時，向ME發(fā)送Ueteeases，E125012502:Re-establishmentissuccessfullyperformedwhenintereNodeBoverS1handoverprocedureisongoing3:Re-establishmentissuccessfullyperformedwhenhandoverprocedureisongoing;theThecellonwhichthere-establishmentisperformedisnotthecell(oftheHOprocedure)4:Re-establishmentissuccessfullyperformedbutthereisnohandoverprocedureongoingwhenrequestforre-establishmentisreceived.Thecellonwhichthere-establishmentisrequestedisnottheservingcell.5:Re-establishmentissuccessfullyperformedonservingcellandthereisnohandoverprocedureongoing.6:Re-establishmentissuccessfullyperformedwhenintraeNodeBinter-frequencyhandoverprocedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.7:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.8:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencysameframestructure(TDDorFDD)handoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.9:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframestructure(TDD<>FDD)handoveroverX2procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.10:Re-establishmentissuccessfullyperformedwhenintereNodeBinter-frequencyotherframe(TDD<>FDD)structurehandoveroverS1procedureisongoing.Thecellonwhichthere-establishmentisrequestedisthecell.11:Re-establishmentissuccessfullyperformedwhen ingPShandoverfromUTRANprocedureisongoing.Thecellonwhichthereestablishmentisrequestedisthe LR13.3featureL172431“CountersforVOIPIntroduction”addsCountersforAbnormalReleasesofUE1:Re-establishmentissuccessfullyperformedwhenintereNodeBoverX2handoverprocedure2:Re-establishmentissuccessfullyperformedwhenintereNodeBoverS1handoverprocedureis3:Re-establishmentissuccessfullyperformedwhenhandoverprocedureisongoing;theThecellonwhichthere-establishmentisperformedisnotthecell(oftheHOprocedure)4:Re-establishmentissuccessfullyperformedbutthereisnohandoverprocedureongoingwhenrequestforre-establishmentisreceived.Thecellonwhichthere-establishmentisrequestedisnottheservingcell.5:Re-establishmentissuccessfullyperformedonservingcellandther