【資料名稱】：EVDO系統(tǒng)詳解.pdf

【資料作者】：不詳

【資料日期】：不詳

【資料語(yǔ)言】：中文

【資料格式】：DOC

【資料目錄和簡(jiǎn)介】：

第一章 EVDO 概述.......................................................................................................................1
1.1 引言.........................................................................................................................................1
1.2 EVDO 的功能要求..................................................................................................................2
1.3 EVDO 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
1.3.4 HARQ ...........................................................................................................................4
1.3.5 速率控制.......................................................................................................................5
1.4 EVDO 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
1.5 EVDO 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
2.1.1 空中接口協(xié)議棧模型.................................................................................................11
2.1.2 空中接口協(xié)議通信方式.............................................................................................13
2.1.3 空中接口信息傳送方式.............................................................................................13
2.2 物理層...................................................................................................................................15
2.2.1 前向信道.....................................................................................................................15
2.2.1.1 前向信道劃分..................................................................................................15
2.2.1.2 前向信道的時(shí)隙結(jié)構(gòu)......................................................................................16
2.2.1.3 前向信道的標(biāo)識(shí)..............................................................................................16
2.2.1.4 前向信道的物理結(jié)構(gòu)......................................................................................19
2.2.1.5 前向業(yè)務(wù)/控制信道的參數(shù)配置和時(shí)隙復(fù)用.................................................22
2.2.2 反向信道.....................................................................................................................25
2.2.2.1 反向信道劃分..................................................................................................25
2.2.2.2 接入信道物理結(jié)構(gòu)..........................................................................................26
2.2.2.3 反向業(yè)務(wù)信道物理結(jié)構(gòu)..................................................................................28
2.2.2.4 反向信道調(diào)制參數(shù)..........................................................................................33
2.2.2.5 長(zhǎng)碼生成與同步..............................................................................................34
2.3 MAC 層................................................................................................................................34
2.3.1 MAC 層協(xié)議功能.......................................................................................................34
2.3.2 MAC 層地址匹配.......................................................................................................34
2.3.3 控制信道MAC...........................................................................................................36
2.3.3.1 控制信道MAC 層數(shù)據(jù)封裝...........................................................................36
2.3.3.2 控制信道MAC 的傳送方式...........................................................................37
2.3.4 接入信道MAC...........................................................................................................38
2.3.4.1 接入信道MAC 層數(shù)據(jù)封裝...........................................................................38
2.3.4.2 接入探針的結(jié)構(gòu)..............................................................................................39
2.3.4.3 接入探針序列的結(jié)構(gòu)......................................................................................40
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2.3.4.4 接入過(guò)程..........................................................................................................41
2.3.4.5 接入信道長(zhǎng)碼掩碼..........................................................................................42
2.3.4.6 接入信道MAC 層主要消息及其關(guān)鍵參數(shù)...................................................42
2.3.5 前向業(yè)務(wù)信道MAC...................................................................................................43
2.3.5.1 前向業(yè)務(wù)信道MAC 層數(shù)據(jù)封裝...................................................................43
2.3.5.2 前向業(yè)務(wù)信道MAC 協(xié)議狀態(tài)轉(zhuǎn)移流程.......................................................44
2.3.6 反向業(yè)務(wù)信道MAC...................................................................................................46
2.3.6.1 反向業(yè)務(wù)信道MAC 層數(shù)據(jù)封裝...................................................................46
2.3.6.2 反向業(yè)務(wù)信道速率控制..................................................................................47
2.3.6.3 反向鏈路靜默..................................................................................................49
2.3.6.4 反向業(yè)務(wù)信道長(zhǎng)碼..........................................................................................49
2.3.6.5 反向業(yè)務(wù)信道MAC 層主要消息及其關(guān)鍵參數(shù)...........................................49
2.4 安全層...................................................................................................................................50
2.4.1 安全層協(xié)議功能.........................................................................................................50
2.4.2 安全層數(shù)據(jù)封裝.........................................................................................................50
2.4.3 安全矢量.....................................................................................................................51
2.4.4 密鑰交換.....................................................................................................................51
2.4.5 空口鑒權(quán).....................................................................................................................53
2.4.6 加密.............................................................................................................................54
2.5 連接層...................................................................................................................................54
2.5.1 連接層狀態(tài)機(jī).............................................................................................................55
2.5.2 連接管理.....................................................................................................................57
2.5.2.1 連接建立..........................................................................................................57
2.5.2.2 連接關(guān)閉..........................................................................................................57
2.5.3 路徑更新.....................................................................................................................58
2.5.4 分組合并.....................................................................................................................58
2.5.5 開(kāi)銷消息管理.............................................................................................................58
2.6 會(huì)話層...................................................................................................................................59
2.6.1 協(xié)議交互.....................................................................................................................59
2.6.2 地址分配.....................................................................................................................61
2.6.2.1 UATI 的構(gòu)成...................................................................................................61
2.6.2.2 UATI 的分配...................................................................................................62
2.6.2.3 UATI 與移動(dòng)性管理.......................................................................................62
2.6.3 配置協(xié)商.....................................................................................................................62
2.7 流層.......................................................................................................................................63
2.8 應(yīng)用層...................................................................................................................................64
2.8.1 缺省信令應(yīng)用.............................................................................................................64
2.8.1.1 信令網(wǎng)絡(luò)協(xié)議..................................................................................................64
2.8.1.2 信令鏈路協(xié)議..................................................................................................65
2.8.2 缺省分組應(yīng)用.............................................................................................................66
2.8.2.1 無(wú)線鏈路協(xié)議..................................................................................................66
2.8.2.2 位置更新協(xié)議..................................................................................................69
2.8.2.3 流控協(xié)議..........................................................................................................70
2.9 EVDO 空中接口關(guān)鍵技術(shù)....................................................................................................71
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2.9.1 自適應(yīng)調(diào)制編碼.........................................................................................................71
2.9.2 HARQ .........................................................................................................................72
2.9.3 多用戶調(diào)度.................................................................................................................73
2.9.3.1 多用戶調(diào)度準(zhǔn)則..............................................................................................73
2.9.3.2 比例公平調(diào)度算法..........................................................................................74
2.9.4 速率控制.....................................................................................................................75
2.9.4.1 前向鏈路速率控制..........................................................................................75
2.9.4.2 反向鏈路速率控制..........................................................................................76
2.9.5 功率控制.....................................................................................................................77
2.9.5.1 前向鏈路功率分配原理及實(shí)現(xiàn)......................................................................77
2.9.5.2 反向鏈路功率控制原理及實(shí)現(xiàn)......................................................................78
2.9.6 虛擬軟切換.................................................................................................................79
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
3.2 A8/A9 接口功能....................................................................................................................82
3.2.1 A8 連接建立...............................................................................................................82
3.2.2 A8 連接重激活...........................................................................................................83
3.2.3 A8 連接釋放...............................................................................................................83
3.2.4 A8 連接參數(shù)更新.......................................................................................................84
3.2.5 A9 接口消息的定時(shí)器參數(shù).......................................................................................85
3.3 A10/A11 接口功能................................................................................................................85
3.3.1 A10 連接建立.............................................................................................................85
3.3.2 A10 連接釋放.............................................................................................................86
3.3.3 計(jì)費(fèi)信息傳送.............................................................................................................87
3.3.4 A11 接口消息的定時(shí)器參數(shù).....................................................................................87
3.4 A12 接口功能........................................................................................................................87
3.5 A13 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
4.2 HRPD 會(huì)話建立、維持與關(guān)閉............................................................................................91
4.2.1 HRPD 會(huì)話建立.........................................................................................................91
4.2.2 HRPD 會(huì)話維持.........................................................................................................92
4.2.3 HRPD 會(huì)話關(guān)閉.........................................................................................................92
4.2.3.1 AT 發(fā)起HRPD 會(huì)話關(guān)閉（存在A8 連接） ................................................92
4.2.3.2 AT 發(fā)起HRPD 會(huì)話關(guān)閉（不存在A8 連接） ............................................93
4.2.3.3 AN 發(fā)起HRPD 會(huì)話關(guān)閉（存在A8 連接）................................................94
4.2.3.4 AN 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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4.4.1 AT 發(fā)起位置更新.......................................................................................................96
4.4.2 AN 發(fā)起位置更新......................................................................................................97
4.5 HRPD 連接建立....................................................................................................................97
4.5.1 AT 發(fā)起HRPD 連接建立..........................................................................................98
4.5.2 AT 發(fā)起HRPD 連接重激活......................................................................................99
4.5.3 PDSN 發(fā)起HRPD 連接重激活...............................................................................100
4.6 HRPD 連接釋放..................................................................................................................101
4.6.1 AT 發(fā)起HRPD 連接釋放........................................................................................101
4.6.2 AN 發(fā)起HRPD 連接釋放.......................................................................................102
4.6.3 PDSN 發(fā)起HRPD 連接關(guān)閉...................................................................................102
4.7 EVDO 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
5.1 EVDO 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
6.2 QoS 評(píng)價(jià)指標(biāo).....................................................................................................................116
6.3 QoS 服務(wù)模型.....................................................................................................................117
6.4.1 IntServ 服務(wù)模型......................................................................................................117