【資料名稱】：EVDO系統(tǒng)詳解
【資料作者】：不詳
【資料日期】：不詳
【資料語言】：中文
【資料格式】：PDF
【資料目錄和簡介】：
第一章EVDO概述.......................................................................................................................1
1.1引言..........................................................................................................................................1
1.2EVDO的功能要求..................................................................................................................2
1.3EVDO的設(shè)計(jì)思想..................................................................................................................2
1.4EVDO網(wǎng)絡(luò)結(jié)構(gòu)......................................................................................................................6
1.5EVDO的發(fā)展情況..................................................................................................................8
第二章EVDO空中接口.............................................................................................................11
2.1空中接口概述........................................................................................................................11
2.2物理層....................................................................................................................................15
2.3MAC層.................................................................................................................................34

2.4安全層....................................................................................................................................50
2.5連接層....................................................................................................................................54
2.6會話層....................................................................................................................................59
2.7流層........................................................................................................................................63
2.8應(yīng)用層....................................................................................................................................64
2.9EVDO空中接口關(guān)鍵技術(shù)............................................................
第三章EVDOIOS功能介紹.....................................................................................................80
3.1功能概述................................................................................................................................80
3.2A8/A9接口功能....................................................................................................................82
3.3A10/A11接口功能................................................................................................................85
3.4A12接口功能........................................................................................................................87
3.5A13接口功能....................................................................
第四章EVDO數(shù)據(jù)呼叫流程.....................................................................................................90
4.1分組數(shù)據(jù)會話狀態(tài)................................................................................................................90
4.2HRPD會話建立、維持與關(guān)閉............................................................................................91
4.3接入鑒權(quán)................................................................................................................................95
4.4位置更新................................................................................................................................96
4.5HRPD連接建立....................................................................................................................97
4.6HRPD連接釋放..................................................................................................................101
4.7EVDO子網(wǎng)切換..................................................................................................................103
第五章EVDO網(wǎng)絡(luò)安全機(jī)制...................................................................................................108
5.1EVDO網(wǎng)絡(luò)安全概述..........................................................................................................108
5.2空口安全機(jī)制......................................................................................................................108
5.3接入鑒權(quán)..............................................................................................................................109
5.4核心網(wǎng)鑒權(quán)..........................................................................................................................113
5.5核心網(wǎng)數(shù)據(jù)保護(hù)...................................................................
第六章EVDOQoS機(jī)制..........................................................................................................116
6.1引言......................................................................................................................................116
6.2QoS評價(jià)指標(biāo).....................................................................................................................116
6.3QoS服務(wù)模型.....................................................................................................................117
6.4.1IntServ服務(wù)模型......................................................................................................117
6.4.2DiffServ服務(wù)模型....................................................................................................118
6.4.3IntServ和DiffServ相結(jié)合提供端到端的QoS保證.............................................119
6.5端到端的QoS體系結(jié)構(gòu).....................................................................................................120
6.6EVDOQoS實(shí)現(xiàn)機(jī)制.........................................................................................................122
第七章EVDO系統(tǒng)性能分析...................................................................................................126
7.1EVDO鏈路覆蓋分析..........................................................................................................126
7.1.1EVDO鏈路覆蓋影響因素.......................................................................................126
7.1.1.1有效全向發(fā)射功率........................................................................................127
7.1.1.2接收機(jī)靈敏度................................................................................................128
7.1.1.3接收天線增益與接收端損耗........................................................................129
7.1.1.4衰落余量........................................................................................................130
7.1.1.5軟切換增益....................................................................................................130
7.1.1.6分集增益........................................................................................................131
7.1.1.7地物穿透損耗................................................................................................131
7.1.2EVDO前向鏈路預(yù)算...............................................................................................131
7.1.3EVDO反向鏈路預(yù)算...............................................................................................134
7.1.4EVDO系統(tǒng)前反向覆蓋差異性分析.......................................................................135
7.1.5EVDO與CDMA20001x系統(tǒng)前反向覆蓋比較....................................................137
7.2EVDO系統(tǒng)容量分析..........................................................................................................138
7.2.1EVDO系統(tǒng)容量影響因素分析...............................................................................139
7.2.2EVDO前向容量分析...............................................................................................139
7.2.2.1鏈路開銷影響分析........................................................................................139
7.2.2.2多用戶調(diào)度影響分析....................................................................................140
7.2.2.3HARQ影響分析...........................................................................................142
7.2.2.4速率控制影響分析........................................................................................146
7.2.3EVDO反向容量分析...............................................................................................147
7.2.4EVDO前反向容量差異性分析...............................................................................148
7.2.5EVDO與CDMA20001x前反向容量比較............................................................149
7.3EVDO鏈路覆蓋和系統(tǒng)容量前反向受限分析..................................................................150
第八章EVDO組網(wǎng)與混合終端操作.......................................................................................152
8.1組網(wǎng)方式..............................................................................................................................152
8.1.1單獨(dú)組網(wǎng)...................................................................................................................152
8.1.2混合組網(wǎng)...................................................................................................................152
8.1.2.1升級組網(wǎng)方案................................................................................................153
8.1.2.2疊加組網(wǎng)方案................................................................................................154
8.2混合終端操作......................................................................................................................156
8.2.1混合終端設(shè)置...........................................................................................................156
8.2.2混合終端選網(wǎng)...........................................................................................................156
8.2.2.1在接入層面上選網(wǎng)........................................................................................156
8.2.2.2在應(yīng)用層面上選網(wǎng)........................................................................................157
8.2.2.3開機(jī)選網(wǎng)......................................................
8.2.3兩網(wǎng)切換...................................................................................................................159
8.2.3.1混合覆蓋區(qū)內(nèi)的切換....................................................................................159
8.2.3.2混合覆蓋區(qū)邊緣的切換................................................................................164
第九章EVDO網(wǎng)絡(luò)規(guī)劃和優(yōu)化...............................................................................................168
9.1CDMA網(wǎng)絡(luò)規(guī)劃和優(yōu)化的基本功能概述.........................................................................168
9.2CDMA網(wǎng)絡(luò)規(guī)劃的準(zhǔn)則/要求/流程...................................................................................168
9.2.1CDMA網(wǎng)絡(luò)規(guī)劃的準(zhǔn)則..........................................................................................168
9.2.2CDMA網(wǎng)絡(luò)規(guī)劃的要求..........................................................................................169
9.2.2.1合理選擇天線類型和天線掛高....................................................................169
9.2.2.2明確覆蓋目標(biāo)和覆蓋區(qū)域............................................................................170
9.2.2.3話務(wù)量分布....................................................................................................171
9.2.2.4地理形態(tài)特性................................................................................................171
9.2.2.5室內(nèi)覆蓋策略................................................................................................171
9.2.3CDMA網(wǎng)絡(luò)規(guī)劃的流程..........................................................................................172
9.2.3.1設(shè)計(jì)準(zhǔn)備........................................................................................................172
9.2.3.2初步設(shè)計(jì)........................................................................................................172
9.2.3.3最終設(shè)計(jì)........................................................................................................173
9.3CDMA20001x網(wǎng)絡(luò)規(guī)劃....................................................................................................173
9.3.1覆蓋規(guī)劃...................................................................................................................173
9.3.2PN規(guī)劃.....................................................................................................................174
9.3.3切換規(guī)劃...................................................................................................................175
9.3.4功率規(guī)劃...................................................................................................................176
9.3.5登記區(qū)域規(guī)劃...........................................................................................................176
9.3.6其他特點(diǎn)...................................................................................................................177
9.4混合組網(wǎng)時(shí)的EVDO網(wǎng)絡(luò)規(guī)劃.........................................................................................177
9.4.1EVDO網(wǎng)絡(luò)規(guī)劃的技術(shù)特點(diǎn)...................................................................................177
9.4.2EVDO網(wǎng)絡(luò)規(guī)劃的特殊要求...................................................................................178
9.4.3影響EVDO網(wǎng)絡(luò)規(guī)劃的特殊因素..........................................................................179
9.4.3.1話務(wù)模型對EVDO網(wǎng)絡(luò)規(guī)劃的影響...........................................................179
9.4.3.2技術(shù)發(fā)展對EVDO網(wǎng)絡(luò)規(guī)劃的影響...........................................................179
9.5混合組網(wǎng)時(shí)的EVDO網(wǎng)絡(luò)優(yōu)化.........................................................................................179
9.5.1EVDO網(wǎng)絡(luò)優(yōu)化的必要性.......................................................................................179
9.5.2EVDO網(wǎng)絡(luò)優(yōu)化的基本準(zhǔn)則...................................................................................180
9.5.3EVDO網(wǎng)絡(luò)性能的評價(jià)指標(biāo)...................................................................................181
9.5.3.1覆蓋評價(jià)........................................................................................................181
9.5.3.2容量評價(jià)........................................................................................................181
9.5.4EVDO網(wǎng)絡(luò)優(yōu)化的方法和流程...............................................................................182
9.5.4.1優(yōu)化準(zhǔn)備........................................................................................................182
9.5.4.2優(yōu)化條件........................................................................................................183
9.5.4.3基于路測的優(yōu)化............................................................................................183
9.5.4.4基于話務(wù)統(tǒng)計(jì)的優(yōu)化....................................................................................185
9.5.5EVDO優(yōu)化流程..........................................................
9.6EVDO網(wǎng)絡(luò)關(guān)鍵性能指標(biāo)分析..........................................................................................188
9.6.1數(shù)據(jù)吞吐量影響因素分析.......................................................................................188
9.6.1.1無線覆蓋弱....................................................................................................189
9.6.1.2導(dǎo)頻污染........................................................................................................190
9.6.1.3鄰區(qū)設(shè)計(jì)不合理............................................................................................191
9.6.1.4PN設(shè)計(jì)不合理..............................................................................................192
9.6.1.5搜索窗設(shè)計(jì)不合理........................................................................................193
9.6.1.6其它因素........................................................................................................193
9.6.2數(shù)據(jù)呼叫建立成功率和掉話率影響因素分析.......................................................194
9.6.2.1反向鏈路過載................................................................................................195
9.6.2.2最大連接數(shù)限制............................................................................................196
9.6.2.3接入鑒權(quán)失敗................................................................................................196
9.6.3切換性能分析...........................................................................................................197
9.6.3.1空閑切換........................................................................................................197
9.6.3.2虛擬軟切換....................................................................................................197
9.6.3.3硬切換............................................................................................................197
第十章EVDORelA介紹........................................................................................................199
10.1EVDORel0功能限制......................................................................................................199
10.2EVDORevA的設(shè)計(jì)目標(biāo)................................................................................................199
10.3EVDORevA空中接口新增功能....................................................................................200
10.3.1應(yīng)用層新增功能.....................................................................................................200
10.3.2流層新增功能.........................................................................................................201
10.3.3會話層新增功能.....................................................................................................201
10.3.4連接層新增功能.....................................................................................................202
10.3.5安全層新增功能.....................................................................................................202
10.3.6MAC層新增功能...................................................................................................203
10.3.7物理層新增功能.....................................................................................................204
10.3.7.1物理信道改動..............................................................................................205
10.3.7.2鏈路速率和系統(tǒng)容量的提高......................................................................206
10.3.7.3切換能力的增強(qiáng)..........................................................................................206
10.3.7.4反向鏈路的分組重傳..................................................................................206
10.3.7.5業(yè)務(wù)QoS的增強(qiáng).........................................................................................208
10.4RevA對A接口和核心網(wǎng)的要求....................................................................................209
10.5RevA對網(wǎng)絡(luò)設(shè)備的技術(shù)要求........................................................................................209
10.6RevA的進(jìn)一步發(fā)展........................................................................................................210