[信息与通信]tems基础知识

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1、August11,2000JimLuan,LinMubaoDriveTestLoganalysisDriveTestProcedureDriveTestNetplanFICSStatisticsAnalysisProblemFindingVOT/GEPPreparation2021/9/32Preparation(1)DefinitionFileWithoutit,itisimpossibletoobserveovershooingneighborsGenDef7.execanconvertFPtodefinitionfileNeighborlistwithdefinit

2、ionfileNeighborlistwithoutdefinitionfile2021/9/33Preparation(2)FrequencyPlan&ConfigurationmapSoftware:TEMS,FICS,GEP,VOTHardware:TEMS,GPS,PortablePCTestProblemSheetRouteMap2021/9/34DriveTestForBenchmark2minutespercall10–15minutesalogfilesForcetoappropriateband(GSMonly,DCSonlyorDual)ForSpec

3、ialProblemPlanningrouteNolimitation2021/9/35TEMSIntroductionInterfaceFunctions2021/9/36LogFileProcessTEMSLogFileNetPlanFICSVOT/GEP.CSV.FMTRouteMap.STAExcelVB.NP/.TXTMuchshortercycletimebyVOTandGEP.2021/9/37TEMS.logfileAnalysisUndecodedBCCHBSICUndecodeinOtherSiteNoHandoverDelayHandoverPing

4、PongHandoverNegativeHandoverOvershootingHighOverlappingNoDominantServerPoorCoverageUnreasonableServingAreaInterferenceHandoverFailureHandoverLossULDropDropCallSuddenPowerDropMSPowerRapidIncreaseBelowlistscommonproblemswhichcanbeobservedfromDriveTestLog.2021/9/38UndecodedBCCH(1)Description

5、:BSICscan’tbedecodedin5sUsuallyconsider3strongestneighborsReason:GCLKshift,onlydecodesamesiteBSICsChannelinterferenceNon-BCCHcarrier,nodedicatedspectrumforBCCH2021/9/39UndecodedBCCH(2)2021/9/310BSICUndecodeinOtherSiteDescription:BSICinsamesitecanbedecodedbutnotforothersitesHandovercanonly

6、happeninintra-sitebasisItissimilartoformerUndecodedBCCHcaseReason:GCLKshiftGCLKrecalibrationisrequiredNoonemonitorsOMC-Ralarms2021/9/311NoHandover(1)Description:NeighborBSICisdecodedandCOMMONhandoverrequirementisfulfilledbutthereisneverahandoverReason:MissingneighborNosuchneighborinCMdata

7、baseIncorrectexternalneighborTargetcell’sLAC/BCCH/BSICinadd_neighborisdifferentfromthoseinequip_rtfEngineermodifiesexternalneighboratMMI,notthroughGUINeveruseOMC-RProxyCelltopropagateexternalneighborinformationN