WCDMA RNO 切换算法分析

zoujlang

目 录
1 引言...........................................................................................................................................................7
2 切换算法分析...........................................................................................................................................7
2.1 切换测量..............................................................................................................................................7
2.1.1 同频测量.......................................................................................................................................8
2.1.2 异频测量.....................................................................................................................................12
2.1.3 异系统测量.................................................................................................................................14
2.1.4 UE内部测量................................................................................................................................14
2.2 切换算法............................................................................................................................................15
2.2.1 更软切换和软切换算法..............................................................................................................15
2.2.2 同频硬切换算法..........................................................................................................................16
2.2.3 异频硬切换算法..........................................................................................................................16
2.2.4 系统间切换算法..........................................................................................................................17
2.2.5 负载平衡引起的切换..................................................................................................................17
2.2.6 小区惩罚.....................................................................................................................................18
2.2.7 激活集同步维护..........................................................................................................................19
2.2.8 直接重试算法..............................................................................................................................20
2.2.9 邻区列表的生成原则..................................................................................................................21
3 切换参数设置.........................................................................................................................................22
3.1 说明....................................................................................................................................................22
3.2 切换公共参数....................................................................................................................................23
3.2.1 激活集最大小区数......................................................................................................................23
3.2.2 惩罚时长.....................................................................................................................................23
3.2.3 6F事件触发门限..........................................................................................................................24
3.2.4 6G事件触发门限.........................................................................................................................24
3.2.5 6F、6G事件的延迟触发时间.....................................................................................................25
3.2.6 BE业务切换速率判决门限.........................................................................................................25
3.2.7 软切换方法选择开关..................................................................................................................26
3.2.8 切换类算法开关..........................................................................................................................26
3.3 同频切换测量算法参数.....................................................................................................................28
3.3.1 软切换相对门限..........................................................................................................................28
3.3.2 软切换绝对门限..........................................................................................................................29
3.3.3 同频测量滤波系数FilterCoef......................................................................................................30
3.3.4 软切换相关的磁滞......................................................................................................................31
3.3.5 软切换相关的延迟触发时间......................................................................................................32
3.3.6 WEIGHT......................................................................................................................................33
3.3.7 监测集统计开关..........................................................................................................................34
3.4 异频切换算法参数.............................................................................................................................34
3.4.1 异频测量滤波系数FilterCoef......................................................................................................34
3.4.2 小区位置属性..............................................................................................................................35
3.4.3 异频切换相关的磁滞..................................................................................................................36
3.4.4 异频硬切换相关的延迟触发时间...............................................................................................36
3.4.5 RSCP表示的压缩模式启停门限.................................................................................................37
3.4.6 Ec/No表示的压缩模式启停门限................................................................................................38
3.4.7 异频硬切换RSCP门限.................................................................................................................39
3.4.8 异频硬切换Ec/No门限................................................................................................................39
3.5 系统间切换测量算法参数.................................................................................................................40
3.5.1 异系统测量滤波系数FilterCoef..................................................................................................40