【資料名稱】：ERICSSON+E-GPRS網(wǎng)絡(luò)優(yōu)化指導書

【資料作者】：ericsson

【資料日期】：2010

【資料語言】：中文

【資料格式】：PDF

【資料目錄和簡介】：

ERICSSON E-GPRS網(wǎng)絡(luò)質(zhì)量提升研究
目錄
1 前言 .................................................................................................................. 3
1.1 E-GPRS（enhanced general protocal radio system）的由來 ..................................... 3
1.2 課題研究的內(nèi)容及其意義 ......................................................................................... 3
2 物理層的分析 .................................................................................................. 5
2.1 E-GPRS調(diào)制技術(shù)的特點 ............................................................................................ 5
2.2 E-GPRS編碼方式的特點 ............................................................................................ 6
2.3 提升峰值吞吐量的手段 ........................................................................................... 8
2.3.1 E-GPRS頻率規(guī)劃 ........................................................................................... 8
2.3.2 E-GPRS手機功率控制 ................................................................................ 10
2.3.3 移動臺動態(tài)功率控制 ..................................................................................11
2.3.4 BTS動態(tài)功率控制 ...................................................................................... 12
2.3.5 上下行不連續(xù)發(fā)射 ..................................................................................... 12
2.3.6 E-GPRS的同跳頻的關(guān)系 ............................................................................ 12
2.3.7 E-GPRS中鏈路質(zhì)量控制 ............................................................................ 13
2.4 峰值吞吐理論性能提升小結(jié) ................................................................................... 17
3 數(shù)據(jù)鏈路層分析 ..............................................................................................18
3.1 專用E-GPRS分配的數(shù)目 .......................................................................................... 18
3.2 CS/PS業(yè)務(wù)負荷與搶占準則 ..................................................................................... 19
3.3 PS信道資源管理 ....................................................................................................... 21
3.3.1 信道的建立 ................................................................................................... 21
3.3.2 信道的保留 ................................................................................................... 22
3.3.3 信道的釋放 ................................................................................................... 22
3.3.4 單時隙分配策略[Singleslot Allocation Strategy（SAS）] ........................ 22
3.4 終端能力（能支持時隙的數(shù)目） ........................................................................... 24
3.5 QOS ........................................................................................................................... 24
中國移動.四川公司.網(wǎng)絡(luò)管理.技術(shù)支援
Technical Support Centre of SCMCC
. 2 .
3.6 PCU/GSL能力 ........................................................................................................... 25
3.7 小區(qū)重選 ................................................................................................................... 27
3.8 RLC信令及優(yōu)化機制 ............................................................................................... 27
3.8.1 下行的TBF延遲釋放 .................................................................................... 29
3.8.2 上行的TBF延遲釋放 .................................................................................... 29
3.8.3 下行TBF的早期建立 .................................................................................... 30
3.8.4 TBF保留 ........................................................................................................ 30
3.8.5 網(wǎng)絡(luò)協(xié)助的小區(qū)更新（NACC） ................................................................ 31
3.8.6 RLC提升手段： ........................................................................................... 31
4 網(wǎng)絡(luò)層、傳輸層和應(yīng)用層的分析 ...................................................................32
4.1 無線網(wǎng)絡(luò)對網(wǎng)絡(luò)層、傳輸層的影響 ....................................................................... 32
4.2 應(yīng)用層的影響 ........................................................................................................... 34
4.3 網(wǎng)絡(luò)層、傳輸層/應(yīng)用層性能提升 ........................................................................ 35
4.3.1 TCP/IP性能提升 ........................................................................................... 35
5 性能優(yōu)化流程設(shè)計 ..........................................................................................38
5.1 容量分析流程 ........................................................................................................... 39
5.2 干擾分析流程 ........................................................................................................... 44
5.3 移動性分析流程 ....................................................................................................... 46
5.4 流程驗證 ................................................................................................................... 48
5.4.1 容量類 ........................................................................................................... 48
5.4.2 干擾類 ........................................................................................................... 49
5.4.3 小區(qū)重選類 .......................