多項(xiàng)選擇題
下面哪些KPI指標(biāo)是和掉話相關(guān)的指標(biāo)()
A、RRC連接異常掉話率=RRC連接異常釋放次數(shù)/RRC連接建立成功率次數(shù)X100%
B、E-RAB掉話率=E-RAB異常釋放次數(shù)/E-RAB建立成功次數(shù)X100%
C、E-RAB掉話率(按QCI統(tǒng)計(jì))=E-RAB異常釋放次數(shù)(按QCI統(tǒng)計(jì),QCI 1-9)/E-RAB建立成功次數(shù)(按QCI統(tǒng)計(jì),QCI 1-9)X100%
D、激活E-RAB掉話率