VoLTE MOS 3.0占比指标提升指导书.doc

VoLTE丢包率指标提升指导书 VOLTE MOS 3.0占比指标提升指导书 V1.0.0  目录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc481470065 1 VoLTE MOS 3.0占比指标概述 PAGEREF _Toc481470065 \h 4 HYPERLINK \l _Toc481470066 1.1 VoLTE MOS采样机制 PAGEREF _Toc481470066 \h 4 HYPERLINK \l _Toc481470067 1.2 MOS差的影响 PAGEREF _Toc481470067 \h 4 HYPERLINK \l _Toc481470068 1.3 影响MOS的因素 PAGEREF _Toc481470068 \h 4 HYPERLINK \l _Toc481470069 2 MOS低分析流程 PAGEREF _Toc481470069 \h 5 HYPERLINK \l _Toc481470070 3 优化界定方案 PAGEREF _Toc481470070 \h 6 HYPERLINK \l _Toc481470071 3.1 故障告警 PAGEREF _Toc481470071 \h 6 HYPERLINK \l _Toc481470072 3.2 上行干扰 PAGEREF _Toc481470072 \h 6 HYPERLINK \l _Toc481470073 3.3 下行质差 PAGEREF _Toc481470073 \h 7 HYPERLINK \l _Toc481470074 3.4 切换异常 PAGEREF _Toc481470074 \h 9 HYPERLINK \l _Toc481470075 3.5 TA越区覆盖 PAGEREF _Toc481470075 \h 11 HYPERLINK \l _Toc481470076 3.6 MR弱覆盖 PAGEREF _Toc481470076 \h 11 HYPERLINK \l _Toc481470077 4 MOS低问题解决案例 PAGEREF _Toc481470077 \h 12 HYPERLINK \l _Toc481470078 4.1 RLC分片功能部署提升MOS案例 PAGEREF _Toc481470078 \h 12 HYPERLINK \l _Toc481470079 4.1.1 功能介绍 PAGEREF _Toc481470079 \h 12 HYPERLINK \l _Toc481470080 4.1.2 功能实施 PAGEREF _Toc481470080 \h 12 HYPERLINK \l _Toc481470081 4.1.3 效果评估 PAGEREF _Toc481470081 \h 13 HYPERLINK \l _Toc481470082 4.2 通过优化上下链路不平衡小区改善MOS案例 PAGEREF _Toc481470082 \h 14 HYPERLINK \l _Toc481470083 4.2.1 功能介绍 PAGEREF _Toc481470083 \h 14 HYPERLINK \l _Toc481470084 4.2.2 方案实施 PAGEREF _Toc481470084 \h 14 HYPERLINK \l _Toc481470085 4.2.3 效果评估 PAGEREF _Toc481470085 \h 15 HYPERLINK \l _Toc481470086 4.3 通过开启上行NI频选功能改善MOS案例 PAGEREF _Toc481470086 \h 15 HYPERLINK \l _Toc481470087 4.3.1 功能介绍 PAGEREF _Toc481470087 \h 15 HYPERLINK \l _Toc481470088 4.3.2 方案实施 PAGEREF _Toc481470088 \h 16 HYPERLINK \l _Toc481470089 4.3.3 效果评估 PAGEREF _Toc481470089 \h 16 HYPERLINK \l _Toc481470090 4.4 通过调整语音业务的HARQ传输次数改善MOS案例 PAGEREF _Toc481470090 \h 16 HYPERLINK \l _Toc481470091 4.4.1 功能介绍 PAGEREF _Toc481470091 \h 16 HYPERLINK \l _Toc481470092 4.4.2 效