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》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

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