LTE无线参数及KPI指标优化 - 百度文库 ر

ͬƵֹͣ

RSRP>threshold1-140ֹͣСRSRP>= hreshold1Сƽ>=90-140ʱ¼A1ͬƵ

¼A2threshold1

2Threshold2¼A2Ƶϵͳ Ƶл

RSRP

¼A2threshold2

3Threshold2a¼A1,¼A2Ƶϵͳ Ƶлֹͣ

RSRP>threshold2a-140ҳa1TimeToTriggerDeactInterMeasʱֹͣa1TimeToTriggerDeacttimeMeasΪ480msʱڣСRSRPһֱ threshold2aվΪ38ҷΪ53 +hysThreshold2aΪ0СRSRP>38-140=-102ʱΪ480msʱ򴥷¼A1ƵϵͳIJ

¼A2ȥthreshold2a

4a3Offset¼A3(ͬƵƵ)

a3TimeToTriggerΪ320msʱڣСRSRP+a3Offset(Ϊ3dB)+ hysA3Offset(Ϊ0)һֱСڽСRSRP򴥷¼A3СRSRP+3+0

ƵA3¼öӦƵ:

¼A3

5threshold3threshold3a:¼A5ͬƵƵ

a5TimeToTrigger320msʱڣСRSRPһֱ hreshold3Ϊ20ڽСRSRPһֱThreshold3aΪ22,򴥷¼A5ڷСRSRPһֱ20-140=-120СRSRPһֱ22-140=-118320ms򴥷ʱA5UEϱA5棬A5ʱa5ReportIntervalΪ240ms

ƵA5¼öӦƵ

Ƶ¼A5

3.3 LTEϵͳлزܣ

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