【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(jiǎn)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
1.3.1時(shí)分復(fù)用.......................................................................................................................3
1.3.2多用戶調(diào)度...................................................................................................................4
1.3.3鏈路自適應(yīng)...................................................................................................................4
1.3.4HARQ ...........................................................................................................................4
1.3.5速率控制.......................................................................................................................5
1.4EVDO網(wǎng)絡(luò)結(jié)構(gòu)......................................................................................................................6
1.4.1網(wǎng)絡(luò)構(gòu)成及其基本功能...............................................................................................6
1.4.2網(wǎng)絡(luò)接口協(xié)議及其功能...............................................................................................7
1.5EVDO的發(fā)展情況..................................................................................................................8
1.5.1標(biāo)準(zhǔn)化進(jìn)展...................................................................................................................8
1.5.2商用進(jìn)展.......................................................................................................................9
1.5.3市場(chǎng)前景.......................................................................................................................9
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(huì)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)....................................................................................................71
第三章EVDO IOS功能介紹.....................................................................................................80
3.1功能概述................................................................................................................................80
3.1.1參考模型.....................................................................................................................80
3.1.2主要作用.....................................................................................................................80
3.1.2.1在接入鑒權(quán)中的作用......................................................................................81
3.1.2.2在移動(dòng)性管理中的作用..................................................................................81
3.1.2.3在數(shù)據(jù)傳送中的作用......................................................................................81
3.2A8/A9接口功能....................................................................................................................82
3.2.1A8 連接建立...............................................................................................................82
3.2.2A8 連接重激活...........................................................................................................83
3.2.3A8 連接釋放...............................................................................................................83
3.2.4A8 連接參數(shù)更新.......................................................................................................84
3.2.5A9 接口消息的定時(shí)器參數(shù).......................................................................................85
3.3A10/A11 接口功能................................................................................................................85
3.3.1A10 連接建立.............................................................................................................85
3.3.2A10 連接釋放.............................................................................................................86
3.3.3計(jì)費(fèi)信息傳送.............................................................................................................87
3.3.4A11 接口消息的定時(shí)器參數(shù).....................................................................................87
3.4A12 接口功能........................................................................................................................87
3.5A13 接口功能........................................................................................................................88
第四章EVDO數(shù)據(jù)呼叫流程.....................................................................................................90
4.1分組數(shù)據(jù)會(huì)話狀態(tài)................................................................................................................90
4.2HRPD會(huì)話建立、維持與關(guān)閉............................................................................................91
4.2.1HRPD 會(huì)話建立.........................................................................................................91
4.2.2HRPD 會(huì)話維持.........................................................................................................92
4.2.3HRPD 會(huì)話關(guān)閉.........................................................................................................92
4.2.3.1AT發(fā)起 HRPD 會(huì)話關(guān)閉（存在 A8 連接）................................................92
4.2.3.2AT發(fā)起 HRPD 會(huì)話關(guān)閉（不存在 A8 連接）............................................93
4.2.3.3AN發(fā)起 HRPD 會(huì)話關(guān)閉（存在 A8 連接）................................................94
4.2.3.4AN發(fā)起 HRPD 會(huì)話關(guān)閉（不存在 A8 連接）............................................94
4.3接入鑒權(quán)................................................................................................................................95
4.4位置更新................................................................................................................................96
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4.4.1AT 發(fā)起位置更新.......................................................................................................96
4.4.2AN 發(fā)起位置更新......................................................................................................97
4.5HRPD連接建立....................................................................................................................97
4.5.1AT 發(fā)起 HRPD 連接建立..........................................................................................98
4.5.2AT 發(fā)起 HRPD 連接重激活......................................................................................99
4.5.3PDSN 發(fā)起 HRPD 連接重激活...............................................................................100
4.6HRPD連接釋放..................................................................................................................101
4.6.1AT 發(fā)起 HRPD 連接釋放........................................................................................101
4.6.2AN 發(fā)起 HRPD 連接釋放.......................................................................................102
4.6.3PDSN 發(fā)起 HRPD 連接關(guān)閉...................................................................................102
4.7EVDO子網(wǎng)切換..................................................................................................................103
4.7.1相同 PCF下不同 AN之間的休眠切換..................................................................103
4.7.2相同 PDSN下不同 PCF 之間休眠切換..................................................................104
4.7.3不同 PDSN 之間休眠切換.......................................................................................106
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
5.3.1基于MD5 算法的鑒權(quán)方式....................................................................................110
5.3.2基于CAVE 算法的鑒權(quán)方式..................................................................................111
5.4核心網(wǎng)鑒權(quán)..........................................................................................................................113
5.5核心網(wǎng)數(shù)據(jù)保護(hù)..................................................................................................................115
第六章EVDO QoS機(jī)制..........................................................................................................116
6.1引言......................................................................................................................................116
6.2QoS評(píng)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
6.5.1端到端的 QoS機(jī)制..................................................................................................120
6.5.2IP QoS機(jī)制..............................................................................................................121
6.5.3承載層與傳送層 QoS機(jī)制......................................................................................121
6.6EVDO QoS 實(shí)現(xiàn)機(jī)制.........................................................................................................122
6.6.1EVDO QoS 簡(jiǎn)介......................................................................................................122
6.6.2EVDO Rel 0的 QoS 實(shí)現(xiàn)機(jī)制................................................................................123
6.6.3EVDO Rev A 的 QoS 機(jī)制......................................................................................123
6.6.3.1前向鏈路 QoS實(shí)現(xiàn)機(jī)制...............................................................................123
6.6.3.2反向鏈路 QoS實(shí)現(xiàn)機(jī)制...............................................................................125
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
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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 CDMA2000 1x 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 CDMA2000 1x 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(jí)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)........................................................................................................158
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
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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
9.3CDMA2000 1x 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(duì) EVDO 網(wǎng)絡(luò)規(guī)劃的影響...........................................................179
9.4.3.2技術(shù)發(fā)展對(duì) 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(píng)價(jià)指標(biāo)...................................................................................181
9.5.3.1覆蓋評(píng)價(jià)........................................................................................................181
9.5.3.2容量評(píng)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(cè)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.......................................................................................................187
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
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9.6.3.2虛擬軟切換....................................................................................................197
9.6.3.3硬切換............................................................................................................197
第十章EVDO Rel A介紹........................................................................................................199
10.1EVDO Rel 0 功能限制......................................................................................................199
10.2 EVDO Rev A 的設(shè)計(jì)目標(biāo)................................................................................................199
10.3 EVDO Rev A 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(huì)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(dòng)..............................................................................................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
10.4Rev A對(duì) A接口和核心網(wǎng)的要求....................................................................................209
10.5Rev A對(duì)網(wǎng)絡(luò)設(shè)備的技術(shù)要求........................................................................................209
10.6Rev A的進(jìn)一步發(fā)展........................................................................................................210
參考文獻(xiàn).......................................................................................................................................211
縮略語..........................................................................................................................................215