NSN双频网经验交流_C

Forinternaluseonly1©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/浙江移动—诺基亚西门子双频网技术经验交流杭州2010.04Forinternaluseonly2©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/•双频网组网方式•双频网的技术特点–重选策略–切换机制及策略–CommonBCCH•诺西双频网项目经验介绍目录Forinternaluseonly3©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/室内话务比例0,00,51,01,52,02,50,40,50,60,70,80,91IndoorLocationProbabilityDistance/km900MHz1800MHzTypicalindoorlocationprobabilityformacrositesinadenseurbanenvironment覆盖差异话务管理的效率双频手机的渗透率影响双频网络的因素Forinternaluseonly4©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/可能的双频网络结构(1)•Differentareascoveragefor900and1800GSM900GSM1800Nomultilayering+OptimizeNrSitesforcoveredarea-OnlyavailableforDBhandsetsForinternaluseonly5©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/可能的双频网络结构(2)•HOTSPOTSLOCATIONGSM900GSM1800+Costeffective:needtodeploynewsitesonlywherethecapacityisrequired+Roll-outcanbeplannedtomatchthedualbandhandsetpenetration+Nointerferenceon1800layer-RequireshighDBhandsetpenetration-Manyinter-bandhandoversForinternaluseonly6©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/可能的双频网络结构(3)•CO-LOCATEDSites•2-layersNWGSM900GSM1800+Optimumuseoftheexistingsites+Miminisesthesiteacquisitionandthesitesharerelatedcosts+Neighbourlistsrelativelyeasytodefine.-Completeoutdoor/indoorcoveragemaynotbeachievedintheDCSlayer-especiallyiftheGSMcoverageisonly‘adequate’NeedforIn-fillsites-buildingoftheseparateindoorcoveragemayberequired-Requires‘roomy’siteplacesForinternaluseonly7©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/可能的双频网络结构(4)GSM900MacroGSM900MicroGSM1800•CO-LocatedSites+Microcells•3or4layersNetwork+Capacityoriented+1800Indoorcompensatedbymicros-Needforadvancedmultilayerhandling-Manyinter-bandhandoversForinternaluseonly8©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/•Interbandhandover=intraBSChandover•morereliablehandover•FullyutilisesadvancedBSSfeaturesandtrafficmanagement•Commontransmissionlink•EasynetworkmanagementGSM900与DCS1800基站在相同BSC-IntraBSCHOMSCBSCGSMDCSGSMCellDCSCellOMCOMCOSSForinternaluseonly9©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/•Interbandhandover=interBSChandover•IncreaseinA-interfacesignallingload•SomeadvancedBSSfeaturesintrafficmanagementandmonitoringcannotbeused•FeasiblenetworkmanagementMSCBSCBSCGSMDCSGSMCellDCSCell(GSM)(DCS)OMCOMCOSSGSM900与DCS1800基站在不同BSC-InterBSCHOForinternaluseonly10©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/•Interbandhandover=interMSChandover•IncreaseinA-interfaceandMSC-MSCsignallingload•Extratransmissioncapacityneeded•SomeadvancedBSSfeaturesintrafficmanagementandmonitoringcannotbeusedMSCBSCBSCGSMDCSGSMCellDCSCell(GSM)(DCS)MSCOMCOMCOSSGSM900与DCS1800基站在不同MSC-InterMSCHOForinternaluseonly11©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/•Interbandhandover=interMSChandover•IncreaseinA-interfaceandMSC-MSCsignallingload•Extratransmissioncapacityneeded•SomeadvancedBSSfeaturesintrafficmanagementandmonitoringcannotbeused•Planningco-ordinationmorechallenging•OSSofbothvendorsnetworkneededBSCGSMDCSGSMCellDCSCell(GSM)MSCOSSNOKIANOKIAMSCBSC(DCS)BSCVendorXVendorXOMCB1--fauB2--alaB3-worMultivendorDualBand-interMSCHOForinternaluseonly12©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/早期状态发展趋势建议模式：•GSM900作为覆盖层•DCS1800+Micro+Indoor作为话务吸收层GSMGSM/DCSGSM/DCSGSMIndoorIndoorIndoorIndoorGSM/DCSGSM/DCSGSM/DCSGSM/DCSIndoorIndoorIndoorIndoor街道微蜂窝街道微蜂窝街道微蜂窝Indoor网络结构发展Forinternaluseonly13©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/•双频网组网方式•双频网的技术特点–重选策略–切换机制及策略–CommonBCCH•诺西双频网项目经验介绍目录Forinternaluseonly14©NokiaSiemensNetworksR255G211B8R255G175B0R127G16B162R163G166B173R137G146B155R175G0B51R52G195B51R0G0B0R255G255B255Primarycolours:Supportingcolours:/高效的双频网络CS话务管理IdleModeCallSetupIncallC2ParameterDirectAccesstoDesiredLayer/BandAdvancedMultilayerHandlingAdjacentCellPr