爱立信LTE_KPI优化介绍（PPT50页)

LTE_KPI分类接入性保持性移动性完整性可用性利用率业务量LTEKPILTE_KPI常用统计分类解释推荐KPI用户影响接入性满足用户业务需求的能力业务接入成功率高保持性为用户提供持续服务的能力业务掉线率高完整性为客户提供预期服务质量的能力上下行用户平均吞吐率高移动性切换性能系统内切换成功率高可用率设备可用性小区退服时长高利用率业务、负荷、资源使用忙时PRB平均利用率中业务量容量及业务承载上下行空口流量中LTE_KPI指标定义指标名称中文映射算法英文映射算法下行吞吐率小区下行平均吞吐率100*[pmPdcpVolDlDrb]/900上行吞吐率小区上行平均吞吐率100*[pmPdcpVolUlDrb]/900RRC连接建立成功率RRC连接建立成功次数/RRC连接建立请求次数*100%EutrancellTDD::pmRrcConnEstabSucc/EutrancellTDD::pmRrcConnEstabAtt*100%E-RAB建立成功率E-RAB建立成功数/E-RAB建立请求数*100%(EutrancellTDD::pmErabEstabSuccInit+EutrancellTDD::pmErabEstabSuccAdded)/（EutrancellTDD::pmErabEstabAttInit+EutrancellTDD::pmErabEstabAttAdded）*100%无线接通率E-RAB建立成功数/E-RAB建立请求数*RRC连接建立成功次数/RRC连接建立请求次数*100%(EutrancellTDD::pmErabEstabSuccInit+EutrancellTDD::pmErabEstabSuccAdded)/（EutrancellTDD::pmErabEstabAttInit+EutrancellTDD::pmErabEstabAttAdded）*EutrancellTDD::pmRrcConnEstabSucc/EutrancellTDD::pmRrcConnEstabAtt*100%会话建立成功率RRC、S1、E-RAB建立成功率乘积100*(pmRrcConnEstabSucc/pmRrcConnEstabAtt)*(pmS1SigConnEstabSucc/pmS1SigConnEstabAtt)*((pmErabEstabSuccInit+pmErabEstabSuccAdded)/(pmErabEstabAttInit+pmErabEstabAttAdded))无线掉线率（eNB请求释放上下文数-正常的eNB请求释放上下文数）/初始上下文建立成功次数*100%(EutranCellTDD::pmUeCtxtRelNormalEnb+EutranCellTDD::pmUeCtxtRelAbnormalEnb-EutranCellTDD::pmUeCtxtRelNormalEnb)/EutranCellTDD::pmUeCtxtEstabSucc*100%E-RAB掉线率∑(eNB请求释放的E-RAB数-正常的eNB请求释放的E-RAB数+切出失败的E-RAB数)/∑E-RAB建立成功数，其中∑代表将本地网范围内的各个小区的统计结果累加。∑{pmErabRelNormalEnb+pmErabRelAbnormalEnb-pmErabRelNormalEnb+Sum(pmHoPrepAttLteInterFQci+pmHoPrepAttLteIntraFQci)-Sum(pmHoPrepSuccLteInterFQci-pmHoPrepSuccLteIntraFQci)}/∑(EutrancellTDD::pmErabEstabSuccInit+EutrancellTDD::pmErabEstabSuccAdded）切换成功率（eNB间S1切换出成功次数+eNB间X2切换出成功次数+eNB内切换出成功次数）/（eNB间S1切换出请求次数+eNB间X2切换出请求次数+eNB内切换出请求次数）*100%{EutranCellTDD::pmHoExecOutS1SuccInterEnb+EutranCellTDD::pmHoExecOutX2SuccInterEnb+Sum(EutrancellRelation:pmHOExeSuccLteIntraF+EutrancellRelation:pmHOExeSuccLteInterF)}/{EutranCellTDD::pmHoPrepOutS1AttInterEnb+Thepreviousmapping:EutranCellTDD::pmHoExecOutX2AttInterEnbThenewmapping:pmHoPrepOutX2AttInterEnb+EUtranCellRelation::pmHoExeAttLteIntraF(intraeNB)+EUtranCellRelation::pmHoExeAttLteInterF(intraeNB)}*100%系统内切换成功率LTE系统内切换成功率100*(pmHoExeSuccLteInterF+pmHoExeSuccLteIntraF)/(pmHoPrepAttLteInterF+pmHoPrepAttLteIntraF)上行业务信息PRB占用率上行业务信道占用PRB平均数/小区PRB数*100%。EutrancellTDD::pmPrbUsedUlDtch/ULSubframeTotalNum/100*100%下行业务信息PRB占用率下行业务信道占用PRB平均数/小区PRB数*100%。sum(EutrancellTDD::pmPrbUsedDlDtchFirstTransQci[])*(1+EutrancellTDD::pmPrbUsedDlReTrans/EutrancellTDD::pmPrbUsedDlFirstTrans)/DLSubframeTotalNum/小区PRB数*100%设备板卡CPU负荷设备处理板卡负荷pmProcessorLoadSum寻呼成功率寻呼消息发送成功次数/寻呼消息发送次数100*(pmPagReceived-pmPagDiscarded)/pmPagReceived小区可用率可用小区占比100*(1-pmCellDowntimeAuto)/900用户会话时长用户会话平均时长pmSessionTimeUe下行活动用户数下行活动用户数pmActiveUeDlSum上行活动用户数上行活动用户数pmActiveUeUlSum下行物理资源占用率下行物理资源占用率(pmPrbUsedDlDtch+pmPrbUsedDlSrb)/DLSubframeTotalNum上行物理资源占用率上行物理资源占用率(pmPrbUsedUlDtch+pmPrbUsedUlSrb)/ULSubframeTotalNumCSFB成功率CSFB成功率(pmTotNoRrcConnReqCsfbIndSucc/(pmTotNoRrcConnReqCsfbInd-pmNoLoadSharingRrcConnCsfbInd))*(pmNoNormalNasSignRelCsfbInd/(pmNoNormalNasSignRelCsfbInd+pmNoSystemNasSignRelCsfbInd))*((pmNoRabEstSuccCsfbInd+pmNoRabEstSuccCsfbDetect)/(pmNoRabEstAttCsfbInd+pmNoRabEstAttCsfbDetect))上行干扰UL_Interfrence上行平均干扰值算出PDFCounter:pmRadioRecInterferencePwr它的加权平均值。UL_Interfrence=[Total_Interference_Power]/[pmRadioRecInterferencePwr_value];Total_Interference_Power=[pmRadioRecInterferencePwr]Where([VectorIndex]=0)*-121+[pmRadioRecInterferencePwr]Where([VectorIndex]=1)*-120.5+[pmRadioRecInterferencePwr]Where([VectorIndex]=2)*-119.5+[pmRadioRecInterferencePwr]Where([VectorIndex]=3)*-118.5+[pmRadioRecInterferencePwr]Where([VectorIndex]=4)*-117.5+[pmRadioRecInterferencePwr]Where([VectorIndex]=5)*-116.5+[pmRadioRecInterferencePwr]Where([VectorIndex]=6)*-115.5+[pmRadioRecInterferencePwr]Where([VectorIndex]=7)*-114.5+[pmRadioRecInterferencePwr]Where([VectorIndex]=8)*-113.5+[pmRadioRecInterferencePwr]Where([VectorIndex]=9)*-112.5+[pmRadioRecInterferencePwr]Where([VectorIndex]=10)*-110+[pmRadioRecInterferencePwr]Where([VectorIndex]=11)*-106+[pmRadioRecInterferencePwr]Where([VectorIndex]=12)*-102+[pmRadioRecInterferencePwr]Where([VectorIndex]=13)*-98+[pmRadioRecInterferencePwr]Where([VectorIndex]=14)*-94+[pmRadioRecInterferencePwr]Where([VectorIndex]=15)*-92pmRadioRecInterferencePwr_value=[pmRadioRecInterferencePwr]Where([VectorIndex]=0)+[pmRadioRecInterferencePwr]Where([VectorIndex]=1)+[pmRadioRecInterferencePwr]Where([VectorIndex]=2)+[pmRadioRecInterferencePwr]Where([VectorIndex]=3)+[pmRadioRecInterferencePwr]Where([VectorIndex]=4)+[pmRadioRecInterferencePwr]Where([VectorIndex]=5)+[pmRadioRecInterferencePwr]Where([VectorIndex]=6)+[pmRadioRecInterferencePwr]Where([VectorIndex]=7)+[pmRadioRecInterferencePwr]Where([VectorIndex]=8)+[pmRadioRecInterferencePwr]Where([VectorIndex]=9)+[pmRadioRecInterferencePwr]Where([VectorIndex]=10)+[pmRadioRecInterferencePwr]Where([VectorIndex]=11)+[pmRadioRecInterferencePwr]Where([VectorIndex]=12)+[pmRadioRecInterferencePwr]Where([VectorIndex]=13)+[pmRadioRecInterference