5G NR NSA精品线路优化指导书
目录
1 前言........................................................................................................................................................................ 2
1.1 精品路线选取与覆盖要求(中移)................................................................................................. 2
1.2 精品路线选取与覆盖要求(电联)................................................................................................. 3
1.3 版本保障.................................................................................................................................................. 4
2 精品线路参数优化............................................................................................................................................. 5
2.1 LTE参数优化............................................................................................................................................ 5
2.1.1 双连接承载类型配置............................................................................................................... 5
2.1.2 锚点频点负荷优化.................................................................................................................... 6
2.1.3 LTE MR关闭................................................................................................................................. 7
2.1.4 UpperlayerIndication开关配置(中移)........................................................................... 10
2.1.5 UpperlayerIndication开关配置(电联)........................................................................... 11
2.1.6 锚点优先驻留策略.................................................................................................................. 11
2.1.7 修改NR系统间频率偏移值................................................................................................. 12
2.1.8 携带SN切换功能开启.......................................................................................................... 12
2.1.9 Userinactive配置...................................................................................................................... 14
2.2 NR参数优化........................................................................................................................................... 14
2.2.1 SSB多波束配置建议................................................................................................................ 14
2.2.2 5G邻区规划和优化................................................................................................................. 17
2.2.3 机械下倾角优化...................................................................................................................... 18
2.2.4 PRACH参数配置....................................................................................................................... 18
2.2.5 D1/D2干扰解决方案(中移)............................................................................................. 18
2.2.6 SRS BF功能开启....................................................................................................................... 19
2.2.7 8P4B功能开启与优化方案.................................................................................................... 23
2.2.8 T-RS关闭.................................................................................................................................... 26
2.2.9 AC校准....................................................................................................................................... 26
2.2.10 避免宏微Slot干扰............................................................................................................... 28
2.2.11 FDM功能开启(极限速率显示情况下开启,且终端必须为海思)4/5G共框不要开启 28
3 极限1Gbps拉网速率优化方案(中移)................................................................................................... 29
4 极限1Gbps拉网速率优化方案(电联)................................................................................................... 30
5 常见异常问题分析流程.................................................................................................................................. 32
5.1 接入类问题分析流程.......................................................................................................................... 32
5.2 切换类问题分析流程.......................................................................................................................... 34
5.3 速率低问题分析流程.......................................................................................................................... 35
6 演示期间操作建议........................................................................................................................................... 36
7 典型案例介绍.................................................................................................................................................... 37
7.1 天津塘沽精品线路优化介绍............................................................................................................ 37
7.2 贵阳电信精品线路优化介绍............................................................................................................ 38
7.3 辽宁大连精品线路优化介绍............................................................................................................ 40
7.4 成都电信精品线路优化介绍............................................................................................................ 41