提升用戶感知之3G下切2G分析優(yōu)化操作手冊(cè)-湖北試點(diǎn)區(qū).pdf (1.93 MB)

提升用戶感知之3G下切2G分析優(yōu)化操作手冊(cè)-湖北試點(diǎn)區(qū).pdf (1.93 MB)

【資料名稱】：CDMA EVDO 3G下切2G優(yōu)化資料

【資料作者】：湖北網(wǎng)優(yōu)

【資料日期】：2013年9月10日

【資料語(yǔ)言】：中文

【資料格式】：DOC

【資料目錄和簡(jiǎn)介】：


第 4 頁(yè)/共 69 頁(yè)
6中興下切優(yōu)化新功能試點(diǎn)....................................................................................................... 35
6.1功能目的 ...............................................................................................................................35
6.2實(shí)現(xiàn)機(jī)制 ...............................................................................................................................35
6.3效果評(píng)估 ...............................................................................................................................38
73G 下切 2G 優(yōu)化案例集 .......................................................................................................... 39
7.1故障類---ABIS鏈路故障導(dǎo)致 3G下切 2G問(wèn)題....................................................................39
7.2故障類---性能異常終端篩查................................................................................................41
7.3SESSION狀態(tài)異常類---手機(jī)無(wú)法使用 EV-DO 網(wǎng)絡(luò) ...............................................................43
7.4SESSION狀態(tài)異常類---系統(tǒng) BUG導(dǎo)致 AT與 AN 的 SESSION狀態(tài)異常 ..................................45
7.5資源類---系統(tǒng)負(fù)荷過(guò)高........................................................................................................48
7.6覆蓋類---異頻鄰區(qū)漏配........................................................................................................51
7.7覆蓋類---前反向不均衡案例................................................................................................55
7.8覆蓋類---弱覆蓋導(dǎo)致下切....................................................................................................58
7.9覆蓋類-通過(guò)調(diào)整控制信道速率改善控制信道解調(diào)效果...................................................60
7.10參數(shù)類---接入?yún)��?shù)優(yōu)化........................................................................................................60
7.11參數(shù)類--- DO/1X網(wǎng)絡(luò)使用相同 PACKET_ZONE_ID...................................................................63 目錄
目錄...................................................................................................................................................3
1概述...........................................................................................................................................5
1.1研究背景 .................................................................................................................................5
1.2感知影響 .................................................................................................................................5
23G 下切 2G 原理分析 ................................................................................................................7
2.1機(jī)制分析 .................................................................................................................................7
2.1.1非連接態(tài)下切分析.........................................................................................................7
2.1.2連接態(tài)的下切分析.......................................................................................................10
2.2原因匯總 ...............................................................................................................................13
2.2.1非連接態(tài)下切原因.......................................................................................................13
2.2.2連接態(tài)的下切原因.......................................................................................................16
2.3指標(biāo)定義 ...............................................................................................................................17
2.3.1下切連接比...................................................................................................................17
2.3.2下切事件比...................................................................................................................17
2.3.3下切時(shí)長(zhǎng)比...................................................................................................................18
2.3.4下切用戶比...................................................................................................................18
2.3.5下切流量比...................................................................................................................18
33G 下切 2G 優(yōu)化分析流程....................................................................................................... 19
3.1分析流程 ...............................................................................................................................19
3.1.1參數(shù)檢查.......................................................................................................................19
3.1.2系統(tǒng)負(fù)荷檢查與優(yōu)化...................................................................................................21
3.1.3TOP 小區(qū)原因分析........................................................................................................23
3.1.4TOP 用戶原因分析........................................................................................................24
3.2優(yōu)化方法 ...............................................................................................................................26
43G 下切 2G 預(yù)警機(jī)制 .............................................................................................................. 28
4.1網(wǎng)管維度 ...............................................................................................................................28
4.1.1預(yù)警指標(biāo).......................................................................................................................28
4.1.2預(yù)警示例.......................................................................................................................28
4.2話單維度 ...............................................................................................................................30
4.2.1預(yù)警指標(biāo).......................................................................................................................30
4.2.2預(yù)警閾值.......................................................................................................................30
4.3終端維度 ...............................................................................................................................31
5優(yōu)化成效推廣.......................................................................................................................... 32
5.1主要指標(biāo)改善 .......................................................................................................................32
5.2用戶感知提升 .......................................................................................................................33
5.3網(wǎng)絡(luò)收益增加 .......................................................................................................................33