文档介绍：湖州移动用户投诉及案例分析教程
目录
1 掉话分析...................................................................................................................................3
GSM系统掉话案例分析..........................................................................................3
掉话的形式.......................................................................................................3
无线掉话的原因...............................................................................................3
掉话处理流程...................................................................................................3
掉话分析...........................................................................................................4
2 分配失败率...............................................................................................................................9
指配的基本信令流程...............................................................................................9
指配过程常见问题...................................................................................................9
3 H、TCH拥塞分析.......................................................................................................10
H拥塞...........................................................................................................10
TCH拥塞.................................................................................................................11
H信道拥塞...................................................................................................12
硬件故障.........................................................................................................12
频繁位置更新.................................................................................................13
H拥塞................................................................13
H拥塞........................................................................13
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