爱立信网络优化交流npi课件.ppt

爱立信网络优化交流npi课件.ppt

ID:57156513

大小:1.23 MB

页数:46页

时间:2020-08-02

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1、NETWORKOPTIMIZATIONTELEWAVENETWORKOPTIMIZATIONRADIONETWORKPERFORMANCEIMPROVEMSCKEYPERFORMANCEIMPROVEProcedureonRadioOptimizationCellDatabaseStatisticsDriveTestNeighborcellAnalysisNeighborCellforMissingNcellrDatabaseVerificationConsistencyCheckAnalysisandMonitorStatsCountersFrequencyRetune/P

2、arametersChangesVerifyandMonitorNetworkPerformanceFrequencyRetune/ParametersChangesCDBCDBVerificationConsistencyCheckCDB--ConsistencyCheckLoadConsistencyCheckfromCellDatabaseFindoutallthemismatchandmakenecessarymodificationExampleofinconsistency:BCCHNOand/orBSICmismatchinexternalcellCellCGI

3、notmatchinBSCand/orMSCParametersMismatchbetweeninternalandexternalcellWarningoncoandadj.channel,etc..StatisticsAnalysisandMonitorStatsCountersStatisticsTCH&SDCCHDropCallRateTCH&SDCCHCongestionHandoverSuccessfulRateRandomAccessSuccessfulRateTCH&SDCCHAvailabilityChannelEstablishmentStatistics

4、MonitoringtheStatisticsParametersModificationFrequencyRetuneHardwareReplacementStatisticsAnalysisandMonitorStatsCountersFrequencyRetune/ParametersChangesBASICTUNINGMETHODSINTRODUCTIONABSTRACTRANDOMACCESSSDCCHCONGESTIONSDCCHDROPCALLTCHCONGESTIONTCHDROPCALLHANDOVERTCHASSIGNMENTTCH、SDCCHAVAILA

5、BILITYABSTRACTFocuson7keyperformancesRAfail,SDcongestion,SDdrop,TCHcongestion,TCHdrop,Intra-BSCH/Osuccess,Inter-BSCH/OsuccessBasicMethodsusedinRNPIservicesforLocalCMCCGSMnetworkMostmethodscanbeusedinotherGSMnetworkDescription,reasonsfortheperformance,basicmethodsBASICTUNINGMETHODSDescriptio

6、nThefirststepwhentheMSwanttoaccessthenetworkAnswertoPaging,LocationUpdating/PeriodicLocationupdating/IMSIAttach/Detach,Emergencycall,Originalcall/SMSKeyperformanceinaccessibilityAffectothernetwork/radionetworkperformancesRandomAccessCausesofRAFailureRAwithexcessiveTA(TimingAdvance)Toolargec

7、overageorbadcoveragePoorBSIC/BCCH/DCHplanHardwareProblemRandomAccessBasicMethodsBSICorfrequencyre-planChangecoverageareabyadjustingantennaChangecoverageareabyadjustingparametersChangerelatedparametersHardwareproblemsolving(e.g.unstableperformanceonTS0)Ra

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