4Idle Mode Tasks ...............................................................................................................................19
4.1Cell Selection.............................................................................................................................................19
4.1.1Introduction..........................................................................................................................................19
4.2Cell Re-selection........................................................................................................................................19
4.2.1Introduction..........................................................................................................................................19
4.2.2Requirements........................................................................................................................................19
4.2.2.1Measurement and evaluation of cell selection criteria S of serving cell.............................................19
4.2.2.2Measurements of intra-frequency cells.............................................................................................20
4.2.2.3Measurements of inter-frequency FDD cells ....................................................................................20
4.2.2.4Measurements of inter-frequency TDD cells....................................................................................21
4.2.2.5Measurements of inter-RAT GSM cells......................................................................................21
4.2.2.5.1Cell reselection based on cell ranking.........................................................................................21
4.2.2.5.2Cell reselection based on priority information.............................................................................22
4.2.2.5aMeasurements of inter-RAT E-UTRA cells......................................................................................22
4.2.2.6Evaluation of cell re-selection criteria..............................................................................................23
4.2.2.7Maximum interruption in paging reception ......................................................................................23
4.2.2.8Number of cells in cell lists..............................................................................................................24
4.2.2.9Additional requirements for measurement of inter-frequency and inter-RAT cells when MBMS
reception is active............................................................................................................................25