【資料名稱】：Howtoperformtroubleshootingbasedoncounters

【資料作者】：Koh Aik-Yeow

【資料日期】：2010

【資料語言】：中文

【資料格式】：PPT

【資料目錄和簡介】：

How to perform trouble shooting based on counters

RRC Connection Setup Phase

RRC Connection Setup Phase is from RRC Connection Request to RRC Connection Setup message
In the RRC Connection Setup Phase, there are 8 possible setup failure causes
For each failure cause, we can look into analyzing (or trouble shooting the Top-N cells)

RRC_CONN_STP_FAIL_AC

For e.g, in the previous slide, we see that there were 1085 RRC Setup failure due to AC reason
Then we zoom into Top-N cells for further analysis. For instance, the worst cell is WBTS: 110B9WC, WCEL-3