【資料名稱】：華為CDR分析與應(yīng)用

【資料作者】：小淼

【資料日期】：2010-9-28

【資料語言】：中文

【資料格式】：DOC

【資料目錄和簡介】：

1. 概述 .................................................................................................................................................... 4
2. CDR功能概述................................................................................................................................... 4
2.1. 呼叫詳細日志CALL DETAILED RECORD (CDR) ---------------------------------------------------------- 4
2.2. CDR在實際網(wǎng)絡(luò)優(yōu)化的應(yīng)用-------------------------------------------------------------------------------- 4
2.2.1. 針對單用戶問題 ..................................................................................................................... 4
2.2.2. 通過CDR記錄統(tǒng)計分析單載扇、片區(qū)或整網(wǎng)的某些方面性能 ....................................... 5
3. 數(shù)據(jù)采集與查詢 ................................................................................................................................ 5
3.1. 采集 --------------------------------------------------------------------------------------------------------------- 5
3.2. 查詢 --------------------------------------------------------------------------------------------------------------- 5
4. 1X CDR分析 ..................................................................................................................................... 5
4.1. 1X CDR釋放原因值統(tǒng)計 ------------------------------------------------------------------------------------ 5
4.2. 全網(wǎng)1X前向鏈路覆蓋評估 --------------------------------------------------------------------------------- 9
4.2.1. 概述........................................................................................................................................ 9
4.2.2. 接入導頻強度評估 ................................................................................................................. 9
4.2.3. 導頻強度的呼叫占用時長評估 ............................................................................................11
4.3. 1X CDR掉話分析 ---------------------------------------------------------------------------------------------13
4.3.1. 1X 掉話釋放原因值 ............................................................................................................ 13
4.3.2. 導頻污染 ............................................................................................................................... 14
4.3.3. 弱覆蓋 .................................................................................................................................. 20
4.3.4. 單用戶分析 ........................................................................................................................... 22
4.3.5. 鄰區(qū)問題分析（漏配或越區(qū)） ........................................................................................... 25
4.3.6. 硬切換失敗 ........................................................................................................................... 30
4.3.7. 反向受限 ............................................................................................................................... 31
4.3.8. 掉話挽救 ............................................................................................................................... 32
4.4. 1X接續(xù)性能分析 ---------------------------------------------------------------------------------------------32
4.4.1. 呼建失敗常用釋放原因值 ................................................................................................... 32
4.4.2. 呼建時長 ............................................................................................................................... 33
4.4.3. 弱覆蓋 .................................................................................................................................. 34
4.4.4. 接入頻點與指配頻點不一致 ............................................................................................... 36
4.4.5. 接入距離 ............................................................................................................................... 37