【資料名稱】：華為接入網(wǎng)技術(shù)

【資料作者】：華為

【資料日期】：2008

【資料語(yǔ)言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

第一章 接入網(wǎng)的概念...................................................................................................................................... 1
1.1 接入網(wǎng)在通信網(wǎng)中的位置............................................................................................................................... 1
1.2 用戶接入網(wǎng)的定義........................................................................................................................................... 3
1.3 接入網(wǎng)的功能模型........................................................................................................................................... 5
1.3.1 用戶端口功能(UPF User Port Function)............................................................................................ 6
1.3.2 業(yè)務(wù)端口功能(SPF Service Port Function) ........................................................................................ 7
1.3.3 核心功能(CF Core Function) ............................................................................................................. 7
1.3.4 傳送功能(TF Transport Function) ...................................................................................................... 8
1.3.5 AN 系統(tǒng)管理功能(AN SMF Access Network-System Management Function) ............................. 8
1.4 用戶接入網(wǎng)的特點(diǎn)........................................................................................................................................... 9
1.4.1 業(yè)務(wù)量密度低....................................................................................................................................... 9
1.4.2 接入網(wǎng)的成本高................................................................................................................................. 10
1.4.3 接入網(wǎng)的成本差異大.......................................................................................................................... 10
1.4.4 接入網(wǎng)的成本與業(yè)務(wù)量的大小無(wú)關(guān).................................................................................................. 10
1.4.5 接入網(wǎng)設(shè)備的運(yùn)行環(huán)境差.................................................................................................................. 11
1.4.6 接入網(wǎng)的投資比例低技術(shù)發(fā)展緩慢.............................................................................................. 11
1.5 常用的用戶接入網(wǎng)技術(shù)................................................................................................................................. 11
1.5.1 現(xiàn)有的對(duì)絞線銅纜網(wǎng)規(guī)模龐大.......................................................................................................... 12
1.5.2 光纖帶寬很寬通信容量大.............................................................................................................. 12
1.5.3 FTTC 技術(shù)便于接入網(wǎng)的逐步光纖化............................................................................................... 12
第二章 接入網(wǎng)的業(yè)務(wù)和接口........................................................................................................................... 14
2.1 接入網(wǎng)的承載業(yè)務(wù)......................................................................................................................................... 14
2.1.1 單獨(dú)的本地交換業(yè)務(wù)節(jié)點(diǎn).................................................................................................................. 14
2.1.2 單獨(dú)租用線業(yè)務(wù)節(jié)點(diǎn).......................................................................................................................... 14
2.1.3 在特定配置下支持?jǐn)?shù)字視頻和音頻按需業(yè)務(wù)的業(yè)務(wù)節(jié)點(diǎn)................................................... 15
2.1.4 在特定配置下支持視頻和音頻廣播業(yè)務(wù)的業(yè)務(wù)節(jié)點(diǎn)................................................................... 15
2.1.5 支持一個(gè)以上類型的組合式的業(yè)務(wù)節(jié)點(diǎn)...................................................................................... 15
2.2 接入網(wǎng)中的接口............................................................................................................................................. 18
2.2.1 用戶網(wǎng)絡(luò)接口(UNI) ............................................................................................................................ 18
2.2.2 業(yè)務(wù)節(jié)點(diǎn)接口SNI ....................................................................................................................... 19
2.2.3 管理接口(Q3)...................................................................................................................................... 19
2.2.4 V5 接口................................................................................................................................................ 20
第三章 接入網(wǎng)技術(shù)........................................................................................................................................ 22
3.1 有線接入網(wǎng)技術(shù)............................................................................................................................................. 22
3.1.1 基于對(duì)絞線銅纜的傳統(tǒng)接入網(wǎng)技術(shù).................................................................................................. 22
3.1.2 用戶光纖接入網(wǎng)技術(shù).......................................................................................................................... 29
3.1.3 光纖同軸電纜混合HFC 接入網(wǎng)技術(shù).......................................................................................... 39
3.1.4 交換式數(shù)字視像及綜合數(shù)字視像...................................................................................................... 43
3.2 傳輸方式......................................................................................................................................................... 45
3.2.1 PDH 傳輸方式.................................................................................................................................... 45
目 錄
3.2.2 SDH 方式在光用戶接入網(wǎng)中的應(yīng)用................................................................................................. 46
3.2.3 華為公司內(nèi)置式SDH 設(shè)備................................................................................................................ 50
3.3 無(wú)線接入技術(shù)(固定終端) ............................................................................................................................... 61
3.3.1 多址接入方式..................................................................................................................................... 61
3.3.2 固定無(wú)線接入系統(tǒng).............................................................................................................................. 67
3.3.3 衛(wèi)星移動(dòng)通信系統(tǒng).............................................................................................................................. 71
3.3.4 地面移動(dòng)通信系統(tǒng).............................................................................................................................. 73
第四章 華為公司HONET 綜合業(yè)務(wù)接入網(wǎng)..................................................................................................... 82
4.1 HONET 的特點(diǎn).............................................................................................................................................. 82
4.2 HONET 的基本組成及原理............................................................................................................................ 85
4.2.1 設(shè)備結(jié)構(gòu)............................................................................................................................................. 85
4.2.2 功能結(jié)構(gòu)............................................................................................................................................. 86
4.2.3 R 系列ONU 的結(jié)構(gòu)和原理................................................................................................................ 92
4.2.4 V 系列ONU 的結(jié)構(gòu)與原理............................................................................................................. 102
4.3 HONET 軟件結(jié)構(gòu)........................................................................................................................................ 108
4.4 HONET 系統(tǒng)提供的可接入業(yè)務(wù).................................................................................................................. 110
4.4.1 POTS 普通電話業(yè)務(wù)的接入............................................................................................................. 110
4.4.2 ISDN 綜合數(shù)字業(yè)務(wù)的接入.............................................................................................................. 111
4.4.3 DDN 專線業(yè)務(wù)的接入...................................................................................................................... 111
4.4.4 分組交換數(shù)據(jù)業(yè)務(wù)的接入................................................................................................................ 113
4.4.5 INTERNET 業(yè)務(wù)的接入................................................................................................................... 114
4.4.6 CATV 的接入................................................................................................................................... 116
4.4.7 E1 租用線業(yè)務(wù).................................................................................................................................. 117
4.4.8 2/4 線音頻專線接口.......................................................................................................................... 117
4.5 HONET 的傳輸與組網(wǎng)靈活性與多樣性的實(shí)例.......................................................................................... 118
4.5.1 天津薊縣接入網(wǎng)............................................................................................................................... 118
4.5.2 江蘇揚(yáng)州接入網(wǎng)............................................................................................................................... 120
4.5.3 新疆沙灣接入網(wǎng)............................................................................................................................... 121
4.5.4 上海三和花園接入網(wǎng)........................................................................................................................ 121
4.5.5 立陶宛Kaunas 大學(xué)接入網(wǎng).............................................................................................................. 122
4.6 HONET 的信令系統(tǒng).................................................................................................................................... 123
4.6.1 HONET 的V5 接口硬件系統(tǒng)結(jié)構(gòu).................................................................................................... 123
4.6.2 HONET 的V5 接口軟件模塊............................................................................................................ 124
4.7 HONET 操作維護(hù)管理系統(tǒng).......................................................................................................................... 125
4.8 小結(jié)............................................................................................................................................................... 127
第五章 接入網(wǎng)的發(fā)展趨勢(shì)............................................................................................................................ 128
接入網(wǎng)技術(shù)
表 格
表1-1 典型通信網(wǎng)的投資分配..............................................................................................................................9
表2-1 用戶接入網(wǎng)所能承載的業(yè)務(wù)及其速率....................................................................................................17
表2-2 V5.1 接口和V5.2 接口的主要區(qū)別..............................................................................................................21