CS DROPS

CS RF drops (= VS.RAB.Loss.CS.RF) VS.RAB.Loss.CS.RF.RLCRst= VS.RAB.Loss.CS.SRBReset VS.RAB.Loss.CS.RF.ULSync VS.RAB.Loss.CS.RF.UuNoReply VS.RAB.Loss.CS.RF.Oth

CS Non-RF drops (= VS.RAB.Loss.CS.Abnorm) VS.RAB.RelReqCS.OM VS.RAB.RelReqCS.RABPreempt VS.RAB.RelReqCS.UTRANgen VS.RAB.Loss.CS.Aal2Loss VS.RAB.Loss.CS.Congstion.CELL

CS CN (Releases initiated by Core Network) = VS.CN.RAB.Loss.CS

PS DROPS

PS RF drops (= VS.RAB.Loss.PS.RF) VS.RAB.Loss.PS.RF.RLCRst= VS.RAB.Loss.PS.SRBReset+ VS.RAB.Loss.PS.TRBReset VS.RAB.Loss.PS.RF.ULSync VS.RAB.Loss.PS.RF.UuNoReply VS.RAB.Loss.PS.RF.Oth

PS Non-RF drops (= VS.RAB.Loss.PS.Abnorm) VS.RAB.RelReqPS.OM VS.RAB.RelReqPS.RABPreempt VS.RAB.Loss.PS.GTPULoss VS.RAB.Loss.PS.Congstion.CELL

PS CN (Releases initiated by Core Network)= VS.CN.RAB.Loss.PS

Causes Related to RF

1. SRBReset2. TRBReset (not for CS service 3. UL Synchronization Loss4. Uu No Reply Radio Interface Procedure failures