1、同异频切换的参数配置精编版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:Threshold th2a for RSRP(Threshold2a) A1迟滞:Related hysteresis of threshold th2a for RSRP (hys threshold2a)服务小区的RSRP- hys threshold2a 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 Thresh
2、 启动异频测量门限:Threshold th2 interFreq for RSRP (threshold2InterFreq )A2迟滞:Related hysteresis of threshold th2 interfreq for RSRP(hysThreshold2InterFreq )打开Enable interfrequency handover:异频切换开关Time to trigger for A2 to activate inter measurement(a2TimeToTriggerActInterFreqMeas )当服务小区的RSRP+ hysThreshold2I
3、nterFreq Ms + Ofs + Ocs + Off 事件离开条件:Mn + Ofn + Ocn + Hys 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 A3 offset RSRP inter frequencya3OffsetRsrpInterFreq 异频A3报告时长:A3 report interval RSRP inter frequency异频A3触发时延:A3 time to trigger RSRP inter frequency异频A3迟滞:Related hysteresis o
4、ffset a3offset RSRP inter frequencyhysA3OffsetRsrpInterFreq 异频A3事件满足:邻小区的RSRPhysA3OffsetRsrpInterFreq 服务小区的RSRP+ a3OffsetRsrpInterFreqA5事件:事件进入条件:Ms + Hys Threah2诺西无Ofn/Ocn参数同频A5事件:Thresh1:Threshold th3 for RSRP(threshold3 )Thresh2 :Threshold th3a for RSRPthreshold3a A5报告时长A5 report intervalA5触发时延A5
5、 time to triggerA5迟滞Related hysteresis th3 and th3a for RSRP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:Threshold th3 for RSRP inter frequency(threshold3InterFreq )Thresh2 :Threshold th3a for RSRP inter frequenc
6、y(threshold3aInterFreq )A5报告时长A5 report interval inter frequencyA5触发时延A5 time to trigger inter frequencyA5迟滞Related hysteresis of thresholds th3 and th3a for RSRP (hysThreshold3InterFreq ) 异频A5事件满足:当前服务小区的RSRP+hysThreshold3interFreq threshold3aInterFreq A4事件:事件进入条件:Mn + Ofn + Ocn - Hys Thresh 通过A5事件来实现,将A5事件中的Thresh1配置一个很高的值,使Ms + Hys Thresh2,即可实现A4
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