目 錄:
1 概述....................................................................................................... 3
2 VOLTE的開通部署............................................................................... 3
2.1 新增VOLTE相關(guān)的功能介紹:.............................................................. 3
2.2 eSRVCC鄰區(qū)規(guī)劃............................................................................... 3
2.3 VoLTE功能開通驗(yàn)證............................................................................ 4
2.4 主干道VoLTE功能驗(yàn)證....................................................................... 5
3 VoLTE測(cè)試保障..................................................................................... 5
3.1 VoLTE測(cè)試保障的原則........................................................................ 5
3.2 保障小區(qū)表整理與匯總......................................................................... 5
3.3 保障小區(qū)的故障檢查............................................................................. 5
3.4 保障小區(qū)KPI指標(biāo)分析與處理.............................................................. 5
3.5 保障小區(qū)VOLTE相關(guān)參數(shù)檢查............................................................. 6
3.6 保障小區(qū)的鄰區(qū)優(yōu)化............................................................................. 6
3.7 問題黑點(diǎn)匯總及優(yōu)化............................................................................. 7
3.8 問題點(diǎn)分析與優(yōu)化................................................................................ 7
3.9 新功能試驗(yàn)優(yōu)化介紹............................................................................. 7
3.9.1 多目標(biāo)小區(qū)RRC重建功能(Mutiple-Target RRC Re-establishmen) 7
3.9.2 MME 15A的Timer Based Deactivation of GBR Bearers功能........... 8
3.9.3 Service Triggered Mobility功能............................................................ 9
4 優(yōu)化案例............................................................................................... 9
4.1 核心網(wǎng)故障導(dǎo)致的VoLTE故障............................................................ 9
4.1.1 TAC的 VoLTE功能關(guān)閉導(dǎo)致連續(xù)CSFB現(xiàn)象.................................... 9
4.2 測(cè)試誤統(tǒng)計(jì)案例.................................................................................. 10
4.2.1 相鄰地點(diǎn)多次事件發(fā)生....................................................................... 10
4.2.2 呼叫滿3m正常掛機(jī)........................................................................... 12
4.3 典型場(chǎng)景分析...................................................................................... 14
4.3.1 場(chǎng)景1:被叫CSFB時(shí)延過長(zhǎng),主叫超15s未接通........................... 14
4.3.2 場(chǎng)景2:被叫連續(xù)收invite request,回invite 486導(dǎo)致未接通.......... 15
4.3.3 場(chǎng)景3:接通前重建失敗發(fā)invite 580................................................ 17
4.3.4 場(chǎng)景4:接通后重建失敗,發(fā)bye request未收到bye ok................. 21
4.3.5 場(chǎng)景5:切換導(dǎo)致語音專載丟失,產(chǎn)生未接通.................................. 24
4.3.6 場(chǎng)景6:主叫收invite 491導(dǎo)致未接通............................................... 27
4.3.7 場(chǎng)景7:RSRP/SINR值差.................................................................. 29
3 廣東移動(dòng)VOLTE優(yōu)化經(jīng)驗(yàn)(愛立信).doc
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