4.31 RRC Connection mobility

32.4053GPPPerformance Management (PM)Performance measurementsRelease 17Telecommunication managementTSUniversal Terrestrial Radio Access Network (UTRAN)

4.31.1 Cell update

4.31.1.1 Attempted cell update

1. This measurement provides the number of cell update attempts per update cause sent from the UE to UTRAN.
2. CC
3. Receipt of a CELL UPDATE message sent from UE to the RNC. Each cell update message sent is added to the relevant per cause measurement. The possible causes are included in TS 25.331 [4]. The sum of all supported per cause measurements shall equal the total number of cell update attempts. In case only a subset of per cause measurements is supported, a sum subcounter will be provided first.
4. Each measurement is an integer value. The number of measurements is equal to the number of causes plus a possible sum value identified by the .sum suffix.
5. The measurement name has the form RRC.AttCellUpdate.Cause
   where Cause identifies the Cell Update Cause.
6. UtranCellFDD
   UtranCellTDDLcr
   UtranCellTDDHcr
7. Valid for circuit switched and packet switched traffic
8. UMTS