【資料名稱】：諾基亞優(yōu)化分冊

【資料作者】：110

【資料日期】：2012

【資料語言】：中文

【資料格式】：其它

【資料目錄和簡介】：

介紹.......................................................................................................5
1.1 文件概述................................................................................................5
2 GPRS 空中接口性能管理.......................................................................7
2.1 概述.......................................................................................................7
2.2 GPRS網(wǎng)絡(luò)中的性能管理.......................................................................7
2.2.1 運(yùn)營商的期望.........................................................................................7
2.2.2 組織管理域.............................................................................................8
2.3 報告及其應(yīng)用.......................................................................................10
2.3.1 短期性能監(jiān)控.......................................................................................10
2.3.2 長期性能分析.......................................................................................10
2.4 小結(jié).....................................................................................................11
3 性能指標(biāo)公式.......................................................................................13
3.1 空中接口的KPI和PI............................................................................13
3.2 操作概述..............................................................................................13
3.2.1 GPRS性能－數(shù)據(jù)吞吐量和可靠性.......................................................13
3.2.2 可靠性..................................................................................................14
3.2.3 平均用戶數(shù)據(jù)吞吐量.............................................................................16
3.3 為無線網(wǎng)創(chuàng)建關(guān)鍵指標(biāo)（KPI）............................................................16
3.3.1 數(shù)據(jù)吞吐量KPI....................................................................................17
3.3.2 可靠性KPI...........................................................................................17
3.4 為核心網(wǎng)創(chuàng)建關(guān)鍵性能指標(biāo)（KPI）.....................................................17
3.4.1 SGSN KPI............................................................................................17
3.5 為無線網(wǎng)創(chuàng)建性能指標(biāo)（PI）...............................................................18
3.5.1 數(shù)據(jù)吞吐量...........................................................................................18
3.5.2 可靠性..................................................................................................18
3.5.3 一般性能..............................................................................................20
3.5.4 編碼方案特性.......................................................................................22
3.5.5 移動性管理...........................................................................................24
3.5.7 KPI定義小結(jié)........................................................................................26
3.5.6 業(yè)務(wù)監(jiān)控..............................................................................................25
3.6 分析區(qū)域..............................................................................................26
4 優(yōu)化.....................................................................................................27
4.1 GPRS網(wǎng)絡(luò)優(yōu)化步驟.............................................................................27
4.2 準(zhǔn)備階段..............................................................................................27
4.2.1 不同網(wǎng)元的軟件和硬件版本..................................................................27
4.2.2 優(yōu)化工具的SW和HW版本.................................................................28
4.2.3 報告和統(tǒng)計可用性................................................................................28
4.3 配置和參數(shù)驗證....................................................................................29 © Nokia Corporation
3 (70)
GPRS 網(wǎng)絡(luò)優(yōu)化指南
4.3.1 BSC/SGSN測量...................................................................................29
4.3.2 無線參數(shù)..............................................................................................29
4.3.3 核心配置和參數(shù)....................................................................................31
4.3.4 與應(yīng)用程序、操作系統(tǒng)、移動等有關(guān)的參數(shù)..........................................35
4.4 性能調(diào)查..............................................................................................35
4.4.1 性能監(jiān)控..............................................................................................35
4.4.2 路測......................................................................................................36
4.5 性能分析..............................................................................................36
4.5.1 引言......................................................................................................36
4.5.2 容量......................................................................................................37
4.5.3 PDTCH質(zhì)量.........................................................................................41
4.5.4 RF性能................................................................................................43
4.5.5 參數(shù)優(yōu)化..............................................................................................43
4.6 實施......................................................................................................45
4.7 性能確認(rèn)..............................................................................................45
4.8 報告......................................................................................................45
5 總結(jié).....................................................................................................47
6 附件1 計數(shù)器.......................................................................................51
6.1 引言......................................................................................................51
6.2 BSC/PCU.............................................................................................51
6.2.1 數(shù)據(jù)傳輸性能.......................................................................................51
6.2.2 TBF計數(shù)器...........................................................................................52
6.3 無線資源管理－區(qū)域升級與降級...........................................................55
6.4 業(yè)務(wù)......................................................................................................56
6.4.1 可用小區(qū)TCH資源..............................................................................56
6.4.2 語音......................................................................................................56
6.4.3 HSCSD................................................................................................56
6.4.4 GPRS...................................................................................................57
6.5 信令......................................................................................................57
6.5.1 RACH...................................................................................................57
6.5.2 AGCH/PCH..........................................................................................57
6.6 SGSN計數(shù)器.......................................................................................58
6.6.1 GPRS移動性管理................................................................................59
6.6.2 GPRS會話管理....................................................................................60
6.6.3 用戶測量..............................................................................................60
6.6.4 尋呼測量..............................................................................................60
7 附件2 性能指標(biāo)....................................................................................63
7.1 KPI.......................................................................................................63
7.2 Pi.........................................................................................................66
8 附件3：默認(rèn)參數(shù).................................................................................69 4 (