5G NR NSA带SN切换优化指导书.docx
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5G NR NSA带SN切换优化指导书.docx
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5GNRNSA带SN切换优化指导书
目录
1带SN切换原理概述 1..
2带SN切换信令解读 1..
2.1协议信令.........................................................................................................................2...
2.2路测信令.........................................................................................................................3...
2.2.14/5G同切............................................................................................................3..
2.2.24G切换/5G不变 5.
3带SN切换网管参数配置 7..
3.1带SN切换开关配置........................................................................................................7..
3.2带SN切换RSRP差值门限 9.
3.3NR测量频点配置 1.0
3.4NR邻接小区配置:
........................................................................................................11
3.54G配5G邻区关系配置:
..............................................................................................12
3.65G配5G邻区关系配置 1.4
3.6.1站内邻区关系添加 1.4
3.6.2站间邻区关系添加 1.6
4带SN切换锚点规划方法.........................................................................................................21
5带SN切换邻区规划方法.........................................................................................................21
6带SN切换覆盖优化方法.........................................................................................................21
7CSI-RSFORPMI4B8P应用...................................................................................................23
7.1CSI-RSFORPMI参数配置 2.3
7.2CSI-RSFORTRS功能关闭 2.5
8带SN切换参数定标................................................................................................................27
9带SN切换目前存在的问题 2.8
9.1外场典型案例.................................................................................................................29
9.1.1T310EXPIRY....................................................................................................29
9.1.2SYNCHRECONFIGURATIONFAILURE-SCG..................................................31
9.1.3RANDOMACCESSPROBLEM 3..3
10已知问题的应对及优化机制...................................................................................................34
10.1基站侧问题和应对.......................................................................................................35
10.1.1基站不支持非竞争转竞争 35
10.1.2基站不支持专用PREAMBLE资源共享 3.5
10.2终端侧问题和应对.......................................................................................................36
10.2.1终端测量上报的SSB-INDEX错误 36
10.2.2SSB多波束配置时高通终端服务波束不更新 36
10.3参数配置和优化类.......................................................................................................36
10.3.1漏配邻区.........................................................................................................36
10.3.2DERIVESSB-INDEXFROMCELL需要设置为TURE 3.7
10.3.3PDSCHHARQACKCODEBOOK需要设置为DYNAMIC 37
10.3.4PRACH参数合理设置和规划 3.7
图目录
图1-1 带SN切换场景1,4/5G同切 1.
图1-2 带SN切换场景2,4G切换/5G不变 1.
图2-1 4G侧上报测量报告..........................................................................................................4..
图2-2 4G小区满足A3门限.......................................................................................................4..
图2-3 测量报告里携带两条NR测量结果...................................................................................4..
图2-4 4/5G同步切.....................................................................................................................5..
图2-5 4G侧上报测量报告..........................................................................................................5..
图2-6 4G小区满足A3门限.......................................................................................................6..
图2-7 测量报告里携带两条NR测量结果...................................................................................6..
图2-8 4G切换,5G不变 7.
图3-1 带SN切换开关................................................................................................................8..
图3-2 最强小区上报...................................................................................................................8..
图3-3 带SN切换RSRP差门限 1.0
图3-4 NR测量频点配置...........................................................................................................11
图6-1 5G权值配置...................................................................................................................22
图7-1 CSI-RSforPMI参数网管位置 2.4
图7-2 4波束垂直测量网管位置................................................................................................25
图7-3 TRS网管位置................................................................................................................26
表目录
表2-1 4/5GPCI信息..................................................................................................................3..
表2-2 4/5GPCI信息.................................................................................
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