同异频切换的参数配置

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1、同异频切换的参数配置A1事件：事件进入条件：Ms-Hys>Thresh停止异频测量门限：Thresholdth2aforRSRP(Threshold2a)A1迟滞：Relatedhysteresisofthresholdth2aforRSRP(hysthreshold2a)服务小区的RSRP-hysthreshold2a>Threshold2a，且保持时间超过a1TimeToTriggerDeactInterMeas的设置时间，则停止异频测量。A2事件：启动同频测量门限threshold1事件进入条件：Ms+Hys

2、：Thresholdth2interFreqforRSRP(threshold2InterFreq)A2迟滞：Relatedhysteresisofthresholdth2interfreqforRSRP(hysThreshold2InterFreq)打开Enableinterfrequencyhandover:异频切换开关TimetotriggerforA2toactivateintermeasurement(a2TimeToTriggerActInterFreqMeas)当服务小区的RSRP+hysThreshold2InterFreq

3、hreshold2InterFreq，且保持时间超过的设置时间a2TimeToTriggerActInterFreqMeas，则开始异频测量A3事件事件进入条件：Mn+Ofn+Ocn-Hys>Ms+Ofs+Ocs+Off事件离开条件：Mn+Ofn+Ocn+Hys

4、totriggerA3偏置:A3offset故同频A3事件需满足：邻小区的RSRP-hysA3Offset>服务小区的RSRP+a3Offset，由于hysA3Offset配置为0，故A3事件的示意图如下图所示：异频A3事件异频A3偏置A3offsetRSRPinterfrequencya3OffsetRsrpInterFreq异频A3报告时长：A3reportintervalRSRPinterfrequency异频A3触发时延：A3timetotriggerRSRPinterfrequency异频A3迟滞：Relatedhysteresiso

5、ffseta3offsetRSRPinterfrequencyhysA3OffsetRsrpInterFreq异频A3事件满足：邻小区的RSRP—hysA3OffsetRsrpInterFreq>服务小区的RSRP+a3OffsetRsrpInterFreqA5事件：事件进入条件：Ms+HysThreah2诺西无Ofn/Ocn参数同频A5事件：Thresh1:Thresholdth3forRSRP(threshold3)Thresh2:Thresholdth3aforRSRPthreshold3a

6、A5报告时长A5reportintervalA5触发时延A5timetotriggerA5迟滞Relatedhysteresisth3andth3aforRSRP同频A5事件满足：当服务小区的RSRP+hysThreshold3threshold3a由于现网中的迟滞配置为0，故只要服务小区低于threshold3，邻区高于threshold3a，并达到触发的时间，就会发生切换，其示意图如图所示：异频A5事件：Thresh1:Thresholdth3forRSRPinterfre

7、quency（threshold3InterFreq）Thresh2:Thresholdth3aforRSRPinterfrequency（threshold3aInterFreq）A5报告时长A5reportintervalinterfrequencyA5触发时延A5timetotriggerinterfrequencyA5迟滞Relatedhysteresisofthresholdsth3andth3aforRSRP（hysThreshold3InterFreq）异频A5事件满足：当前服务小区的RSRP+hysThreshold3inter

8、Freqthreshold3aInter