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1、本地移动通信网管网络改造方案ChinaUnicom'smobilecommunicationnetworkmanagementsystemismainlybasedontheprovincialnetworkmanagementcenter,andthelocalexchangeswitchesintotheprovincialnetworkmanagementsystem.Localmaintenancegenerallyhas3ways:OMCSmaintenaneeterminal:throughthep
2、rovincialnetworkmanagementsystemcormectedtothelocalswitch;eachswitchinthelocalnetworkmanagementcenterremotemaintenanceterminals・Becausethefirsttwomodesneedtobeconnectedtothenetworkmanagementsystem,networkmanagementsystemisrestrictedandtheinfluenceisverylarge
3、,frequentnetworkfailures,networkcongestionandotherphenomena,isveryharmfultothelocalmaintenance,theneedtochangetheunfavorablefactorintime・Firstintroducethelocalnetworksizeandlocalnetworkmanagementnetworksituation:thereare3localswitchesR,3MS2rooms,itsC,thetwoa
4、reGSMandCDMAsharedcomputerroom,andtheotherisGSMprivatecomputerroom・Amongthem,GSMnetworkhas2HLintegratedgateway,andCDMAnetworkhas1HLRand2MSC・Atotalof10localswitches3typesofswitches(HUAWEIVMSC60,SIEMENSD900,ShanghaiBellAlCarterS1240),withoutastableoperation,en
5、oughtosupportthenetworkbandwidththeusualmaintenaneeworkisdifficult・Followingthedifferentmanufacturersswitches,introducedbeforeandafterthetransforniationofthenetwork.I.solutionsforSIEMENSswitchesThereare3exchangeroom,the2roomwithSIEMENSswitches,anewbootroom(O
6、ffice)withoutanySIEMENSequipmentandmaintermnceterminal,aspartofthestaffintheofficeworkinordertoimprovetheworkefficiencyshouldbeconnectedtoallswitchesforremotemaintenance,datafile・SIEMENShasitsown1setsofOMCS,onlyneedtoinstallOMTinthenewroom(OMCSterminal),buti
7、thas3disadvantages:(1)SIEMENSisbuiltontheSUNplatform,operationandmaintenanceoftheinterfaceisnotfriendlyandnotfamiliarwiththeUNIXsystem,thesysteminstabilityproblemsoccurfrequently;(2)needtobeconnectedthemanagementcenter,andthenconnectedtothelocalswitchnetwork
8、managementsystemisoftenmentionedlackoftrafficstatisticsdatasobandwidthcannotsupportsimultaneousoperationtoomanyusers;(3)newOMT,OMPappropriatesettings,highcomplexity,highrequirementofpersonnelope
