Low CSSR PS (4) • Congestion problem: following counters indicate lack of radio recourses or Iub bandwidth. Check the Admission Control thresholds. Take appropriate measures to increase capacity. - VS.RAB.FailEstPs.Code.Cong: PS RAB establishment failures due to code congestion - VS.RAB.FailEstPs.Power.Cong: PS RAB establishment failures due to power congestion - VS.RAB.FailEstPs.ULCE.Cong: PS RAB establishment failures due to UL CE congestion - VS.RAB.FailEstPs.DLCE.Cong: PS RAB establishment failures due to DL CE congestion - VS.RAB.FailEstab.PS.DLIUBBand.Cong: PS RAB establishment failures due to UL Iub bandwidth congestion - VS.RAB.FailEstab.PS.ULIUBBand.Cong: PS RAB establishment failures due to DL Iub bandwidth congestion - VS.RAB.FailEstabPS.Unsp.Other: PS RAB establishment failures due to congestion in other resources than the previous 6 cases - VS.RAB.FailEstabPS.RNL.Other: PS RAB establishment failures due to any RNL related reason other than the previous 10 cases • Lack of system resources like memory, high CPU load, etc. - VS.RAB.FailEstPS.NResAvail: PS RAB establishment failures due to shortage on system resources • Any other reason: following counter indicate failure due to any other reason apart from the previous ones - VS.RAB.FailEstabPS.Other.Cell: PS RAB establishment failures due to any other reason except the previous 13 cases For internal use 17 © Nokia Siemens Networks Presentation / Author / Date