【資料名稱】:CDMA網(wǎng)規(guī)網(wǎng)優(yōu)案例掌中寶(中興)
【資料作者】:zte
【資料日期】:2009
【資料語言】:中文
CDMA網(wǎng)規(guī)網(wǎng)優(yōu)案例掌中寶(中興).doc (4.4 MB)
【資料格式】:DOC
【資料目錄和簡介】:
目錄
第 1 章掉話類案例處理............................................................ 1
1.1 CDMA20001X系統(tǒng)掉話機(jī)制 ......................................... 1
1.2掉話原因分類 .................................................................. 2
1.3掉話問題處理流程.......................................................... 4
1.4鄰區(qū)漏配造成的掉話...................................................... 5
1.5參數(shù)設(shè)置問題導(dǎo)致掉話 .................................................. 7
1.6直放站干擾導(dǎo)致掉話...................................................... 9
1.7系統(tǒng)硬件問題導(dǎo)致掉話(1) ...................................... 10
1.8系統(tǒng)硬件問題導(dǎo)致掉話(2) ...................................... 10
第 2 章話音質(zhì)量類案例處理 .................................................. 13
2.1話音質(zhì)量問題分析........................................................ 13
2.2話音單通案例 ................................................................ 15
2.3話音斷續(xù)案例 ................................................................ 17
2.4話音模糊案例 ................................................................ 20
2.5通話雜音案例 ................................................................ 22
第 3 章切換類案例處理...........................................................25
3.1軟切換機(jī)制介紹 ............................................................25
3.2 PN混亂導(dǎo)致切換失敗 ...................................................27
3.3 CDMA雙載頻切換問題 ................................................32
第 4 章多載頻類案例處理.......................................................39
4.1多載波系統(tǒng)概述 ............................................................39
4.2雙載頻系統(tǒng)終端呼叫失敗案例.....................................44
4.3鄰區(qū)設(shè)置導(dǎo)致雙載頻系統(tǒng)呼叫掉話案例.....................45
第 5 章數(shù)據(jù)業(yè)務(wù)類案例處理...................................................49
5.1數(shù)據(jù)業(yè)務(wù)優(yōu)化概述 ........................................................49
5.2反向數(shù)據(jù)業(yè)務(wù)速率低案例 ............................................53
5.3前向數(shù)據(jù)業(yè)務(wù)速率低案例 ............................................60
第 6 章 EV-DO網(wǎng)絡(luò)規(guī)劃 ..........................................................63
6.1 EV-DO和 1X網(wǎng)絡(luò)規(guī)劃的相似點...................................63
6.2 EV-DO與 1X網(wǎng)絡(luò)規(guī)劃的區(qū)別.......................................64
6.3 EV-DO規(guī)劃策略 ............................................................66