WCDMA-23G互操作

WCDMA23G互操作,2010/2/3,目录,1.手机在CELL_IDLE,CELL_FACH,CELL_PCH状态下的23G互操作2.手机在CELL_DCH下的23G互操作3.23G互操作的基本策略及各种场景下的参数设置建议,手机在CELL_IDLE,CELL_FACH,CELL_PCH下的23G互操作,1.1小区选择准则（S准则）,1.1小区选择准则,Srxlev0CPICH_RSCPqRxLevMin+Pcompensation,P-CPICH,SCriteria,AND,qQualMinqRxLevMin,Squal0CPICH_Ec/NoqQualMin,FDDCCell,FDDCell,CellSelectionInfo,1.2小区重选算法,3CellReselectioninIdleModePrinciples小区选择及重选算法,CellSelectionScriterion,CellReselectionwithoutHCS,MeasurementsRuleswithoutHCS,CellRankingwithoutHCSusingHighMobilityDetection,Level+QualityRcriteria,CellReselectionwithHCS,MeasurementsRuleswithHCSusingHighMobilityDetection,QualityLevelThresholdHCriterion,CellRankingwithHCSusingHighMobilityDetection,HCSisused,HCSisnotused,Level+QualityRcriteria,CellFilteringusingHCSPriority,IdleModeNeighboringList,sib11AndDchNeighbouringFddCellAlgo(FDDCell)sib11OrDchUsage(UMTSFddNeighbouringCell)(GsmNeighbouringCell),SIB11/P-CCPCH,ServingCell,Max48cells,SIB11NeighboringList,intra-frequencyFDDCellsinter-frequencyFDDCellsGSMCells,4CellReselectioninIdlemodewithoutHCSMeasurementsRuleswithoutHCS,sIntraSearchsInterSearchsSearchRatGsm,isHcsUsed=False,sSearchHcssHcsRatGsm,FDDCell,CellSelectionInfo,4CellReselectioninIdlemodewithoutHCSLevelRankingCriterionwithoutHCS,qHyst1(CellSelectionInfo),UMTSFddNeighbouringCell,GSMNeighbouringCell,CPICH_RSCP,qOffset1sn(UMTSFddNeighbouringCell),CPICH_RSCP,RLs=,+,RLcriterionforServingCell,RLcriterionforFDDNeighboringCell,RLn=,FDDCell,RxLev,qOffset1sn(GSMNeighbouringCell),RLn=,RLcriterionforGSMNeighboringCell,qHyst1(CellSelectionInfo)qOffset1sn(UmtsNeighbouringRelation)qOffset1sn(GsmNeighbouringCell),4CellReselectioninIdlemodewithoutHCSQualityRankingCriterionwithoutHCS,RQn=,RQs=,+,CPICH_Ec/No,CPICH_Ec/No,qHyst2(CellSelectionInfo),qOffset2sn(UMTSFddNeighbouringCell),RQcriterionforServingCell,RQcriterionforNeighboringCell,FDDCell,UMTSFddNeighbouringCell,qHyst2(CellSelectionInfo)qOffset2sn(UmtsNeighbouringRelation),4CellReselectioninIdlemodewithoutHCSCellRankingAlgorithm,qualMeas(cellSelectionInfo),2G到3G网络的重选,1.32G到3G网络的重选,2G-WCDMA重选参数,EN_2G_TO_3G_CELL_RESELECTION是否开启2G到3G的重选开关Qsearch_P：Thresholdforsearchingfor3GcellsinGPRSdependingwhetherthereceivedlevelaverageoftheservingcellisbeloworabovethethresholdQsearch_P_PTM：Thresholdforsearchingfor3GcellsinGPRSpackettransfermodedependingwhetherthereceivedlevelaverageoftheservingcellisbeloworabovethethreshold,2G-WCDMA重选参数,Qsearch_i手机处在空闲状态下，触发WCDMA小区搜索的2G小区的门限7:alwayssearch15:neversearchFDD_Qmin手机重选3G小区时，要求3G小区达到的最小Ec/Io值取值范围：-6-20DB步长：-2DB,2G-WCDMA重选参数,EN_CPICH_2G_3G_RESELECTION定义2G向3G重选时，CPICH的测量方法取值范围：0：only1CPICHmeasurementisused1:CPICHEc/NoandRSCPmeasurementsmustbeused建议值：0FDD_RSCPmin手机重选3G网络时，要求3G小区达到的最小RSCP门限取值范围：-84DBM-114DBM步长：2DBM建议值：-102DBM,2.CELL_DCH状态下的23G互操作,3G到2G的算法及流程,当EC/IO或RSCP达到门限值(2D)时，手机上报2D事件，RNC要求UE进入压模方式，进行异系统测量。手机上报所有GSM邻小区的RSSI，RNC将其进行排序及过滤，选出目标小区,关键参数,事件2D：当前使用频率的估计质量低于某一门限。“当前WCDMA激活集里最佳服务小区的CPICHEc/No”低于“事件2D的门限（Ec/No）-Hysteresis2D/2”,或者“当前WCDMA激活集里最佳服务小区的CPICHRSCP”低于“事件2D的门限（RSCP）-Hysteresis2D/2”。并且上述条件持续成立时间超过TimeToTrigger2D，事件2D触发，RNC将要求UE进入压缩模式，以便对GSM相邻小区进行测量。事件2F：当前使用频率的估计质量高于某一门限。“当前WCDMA激活集里最佳服务小区的CPICHEc/No”高于“事件2F的门限（Ec/No）+Hysteresis2F/2”,或者“当前WCDMA激活集里最佳服务小区的CPICHRSCP”高于“事件2F的门限（RSCP）+Hysteresis2F/2”。并且上述条件持续成立时间超过TimeToTrigger2F，事件2F触发，RNC将要求UE停止对GSM相邻小区进行测量.,影响3G到2G切换成功率的因素,邻区关系是否添加的合理邻区有无干扰邻区的上行干扰及拥塞T309参数调整，默认值为5S，建议改为8S,3.23G互操作基本策略及各种场景下的参数设置建议,23G互操作基本策略,建网初期，优选3G网络，2G网络作为3G网络的覆盖延伸建网后期，PS业务优选3G网络，2G网络均衡语音业务的负荷，补充覆盖盲点。,3G网络覆盖边缘,3G网络覆盖较远，2G邻区关系需要多加两网之间尽量减少相互间的重选，2G进入3G被拒的可能性降低FDD_Qmin设为-8DBRx_levmin设为-111DBMSSEARCHRATGSM+SQUALMIN=-12Qhyst1s=10?Treselection=2s连接状态下的异系统切换参数2D_CS:RSCP=-105,EC/IO=-132D_PS:RSCP=-107，EC/IO=-142F_CS:RSCP=-100,EC/IO=-112D_PS:RSCP=-102，EC/IO=-12Timetotrigger640ms,3G网络覆盖空洞（空洞较小）-室外,尽量让手机停留在3G网络,PS不向2G网络选择FDD_Qmin设为-12DBRx_levmin设为-115DBMSSEARCHRATGSM+QUALMIN=-14Qhyst1s=10Treselection=2s连接状态下的异系统切换参数2D_CS:RSCP=-107,EC/IO=-152D_PS:RSCP=-120,EC/IO=-242F_CS:RSCP=-102,EC/IO=-132F_PS:RSCP=-115，EC/IO=-20Timetotrigger640ms,3G网络覆盖空洞-室内有2G覆盖,室内手机尽量占用2G网络，避免23G网络频繁重选。FDD_Qmin设为-10DBRx_levmin设为-111DBMSINTRASEARCH+SQUALMIN=-12dbQhyst1s=10Treslection=2s连接状态下的异系统切换参数2D_CS:RSCP=-102,EC/IO=-132D_PS:RSCP=-107,EC/IO=-142F_CS:RSCP=-97,EC/IO=-112F_PS:RSCP=-102，E