TD-SCDMA网络优化经验总结(大唐)

tomtuo

目录
1 概述..........................................................................................................................................3
2 项目准备工作...........................................................................................................................3
2.1 确定网络优化目标.......................................................................................................3
2.2 优化方法和流程制定...................................................................................................4
3 TD－SCDMA 专题网络性能优化经验总结..........................................................................5
3.1 单站测试与优化...........................................................................................................5
3.2 覆盖性能优化...............................................................................................................6
3.2.1 覆盖连续性优化...................................................................................................7
3.2.2 超远覆盖优化.......................................................................................................7
3.2.3 弱覆盖区域.............................................................................................................8
3.2.4 后瓣过覆盖.............................................................................................................9
3.3 邻区优化.......................................................................................................................9
3.4 扰码优化.....................................................................................................................10
3.5 切换性能优化.............................................................................................................11
3.6 接入性能优化.............................................................................................................12
3.6.1 RRC建立成功率优化..........................................................................................12
3.6.2 RB 建立成功率优化............................................................................................12
3.7 呼叫保持性能优化.....................................................................................................12
3.8 LAC 区的优化............................................................................................................12
3.9 CCSS、CSDU 板的优化...........................................................................................13
3.10 系统参数优化.........................................................................................................13
3.10.1 系统消息的修改。.............................................................................................13
3.10.2 小区算法参数的修改。.....................................................................................14
3.10.3 小区参数的修改.................................................................................................15
3.10.4 静态业务参数的修改。.....................................................................................15
4 优化案例................................................................................................................................15
4.1 单站优化案例.............................................................................................................15
4.2 邻区优化案例.............................................................................................................17
4.3 扰码优化案例.............................................................................................................18
4.4 和平宾馆西南扇区天线背向覆盖问题.....................................................................20
4.5 后瓣过覆盖优化案例二.............................................................................................22
4.6 参数优化案例.............................................................................................................25