简述Paging Success Rate的统计方法
The KPI shows probability for an end-user to successfully respond to each paging. This KPI shows only the paging success rate on air interface, i.e. paging is sent on air interface and UE succeed in random access and the following RRC establishment procedure. Paging Success Rate = Number of successful RRC connection establishment succeeding the paging / Number of paging record sent on the air interface x 100%