【正文】 1 / 127山東移動(dòng)淄博分公司2022 年度總結(jié)分析報(bào)告山東移動(dòng)淄博網(wǎng)絡(luò)部2022 年版權(quán)所有 侵權(quán)必究All rights reserved2 / 127目錄1 網(wǎng)格優(yōu)化工作總結(jié) ............................................................................................6 淄博網(wǎng)格概述 ...............................................................................................6 省巡檢指標(biāo)分析 ............................................................................................9 主要優(yōu)化工作： ..........................................................................................12 工參核查 .......................................................................................................12 拉網(wǎng)測試 .......................................................................................................13 天饋調(diào)整 .......................................................................................................13 參數(shù)調(diào)整 .......................................................................................................13 網(wǎng)絡(luò)問題反饋 .............................................................................................13 缺少基站導(dǎo)致弱覆蓋 .....................................................................................14 美化罩無法調(diào)整導(dǎo)致周圍 SINR 差 ................................................................16 超高站覆蓋過遠(yuǎn)導(dǎo)致 SINR 差 .......................................................................17 超低站導(dǎo)致周圍弱覆蓋 .................................................................................18 網(wǎng)格優(yōu)化案例 .............................................................................................19 覆蓋優(yōu)化 .......................................................................................................19 SINR 優(yōu)化 ....................................................................................................22 覆蓋優(yōu)化 .......................................................................................................24 總結(jié) ............................................................................................................272 MR 弱覆蓋優(yōu)化整治 ........................................................................................27 MR 弱覆蓋問題點(diǎn)分析 ................................................................................28 樓宇較密集導(dǎo)致弱覆蓋 .................................................................................28 站間距過大導(dǎo)致弱覆蓋 .................................................................................28 站點(diǎn)數(shù)據(jù)刪除導(dǎo)致弱覆蓋 ..............................................................................29 超高超低站導(dǎo)致弱覆蓋 .................................................................................29 天饋線問題 ...................................................................................................29 MR 弱覆蓋整改計(jì)劃 ...................................................................................29 MR 弱覆蓋處理 ...........................................................................................30 參數(shù)類 ..........................................................................................................30 天饋類 ..........................................................................................................31 新加站類 .......................................................................................................333 KPI 指標(biāo)分析優(yōu)化 ...........................................................................................34 指標(biāo)監(jiān)控內(nèi)容和 KPI 指標(biāo)定義 ....................................................................34 TOP 小區(qū)查找和分析處理 ..........................................................................35 接入性 top 分析處理 .....................................................................................36 保持性 top 分析處理 .....................................................................................37 移動(dòng)性 top 分析處理 .....................................................................................393 / 1274 VOLTE 工作總結(jié) ............................................................................................41 省公司 VOLTE 工作部署落實(shí)情況 ..............................................................41 VOLTE 優(yōu)化開展與問題總結(jié) ......................................................................42 日常網(wǎng)格、CQT 點(diǎn)測試 ................................................................................42 VoLTE 場景化測試 .......................................................................................42 問題分析定位思路 ......................................................................................43 未接通 ..........................................................................................................43 掉話類 ..........................................................................................................44 MOS 值差 .....................................................................................................44 專題 ............................................................................................................45 案例 ............................................................................................................455 CSFB 網(wǎng)絡(luò)指標(biāo)優(yōu)化 .......................................................................................45 CSFB 指標(biāo)定義 ..........................................................................................46 CSFB 網(wǎng)絡(luò) KPI 優(yōu)化方向 ...........................................................................48 淄博 CSFB 提升優(yōu)化思路及方法 ................................................................49 尋呼成功率 ...................................................................................................49 回落成功率 ...................................................................................................49 案例分析 .....................................................................................................52 【案例一】：LAC 插花小區(qū)導(dǎo)致 CSFB 失敗案例 ........................................52 【案例二】：POOL 邊界導(dǎo)致回落失敗案例 .................................................55 【案例三】：核心網(wǎng) TACLAC 映射錯(cuò)誤導(dǎo)致回落失敗 ................................576 4G 駐留比優(yōu)化提升 ................