【正文】 .................................................................................. 23 移動(dòng)識(shí)別號(hào) ................................................................................................................ 23 IMSI (International Mobile Subscriber Identity)： ................................................. 23 TMSI (Temporary Mobile Subscriber Identity)： .................................................. 24 LMSI (Local Mobile Subscriber Identity)： .......................................................... 25 MA000001 GSM 數(shù)字移動(dòng)通信原理 目錄 華為技術(shù)有限公司 版權(quán)所有 , 未經(jīng)許可不得擴(kuò)散 ii MSISDN(Mobile Subscriber International ISDN/PSTN number)： ......................... 25 MSCNumber(MSC 號(hào)碼 )/VLRNumber(VLR號(hào)碼 ) .............................................. 26 RoamingNumber(漫游號(hào)碼 )與 HandoverNumber(切換號(hào)碼 ) ............................... 26 HLRNumber(HLR 號(hào)碼 ) ................................................................................... 27 LAI(Location Area Identification位置區(qū) ) ............................................................ 27 CGI(Cell Global Identification全球小區(qū)識(shí)別 )...................................................... 28 RSZI (Regional Subscription Zone Identity)....................................................... 28 BSIC（基站識(shí)別色碼） .................................................................................... 28 IMEI（國(guó)際移動(dòng)設(shè)備識(shí)別碼） ........................................................................... 29 第 5章 GSM系統(tǒng)的無(wú)線接口與系統(tǒng)消息 .............................................................................. 30 無(wú)線接口 .................................................................................................................... 30 語(yǔ)音編碼 .......................................................................................................... 30 信道編碼 .......................................................................................................... 31 交織 ................................................................................................................ 31 調(diào)制技術(shù) .......................................................................................................... 33 跳頻 ................................................................................................................ 34 時(shí)序調(diào)整 .......................................................................................................... 35 幀和信道 .................................................................................................................... 35 基本術(shù)語(yǔ)簡(jiǎn)介 ................................................................................................... 35 信道類型和組合 ................................................................................................ 39 系統(tǒng)消息 .................................................................................................................... 43 系統(tǒng)消息的作用 ................................................................................................ 43 系統(tǒng)消息包含種類及內(nèi)容 .................................................................................. 44 第 6章 系統(tǒng)管理功能介紹 ..................................................................................................... 47 GSM 系統(tǒng)的安全性管理 ............................................................................................... 47 GSM 系統(tǒng)移動(dòng)性管理 .................................................................................................. 49 漫游管理 .......................................................................................................... 49 切換管理 .......................................................................................................... 49 第 7章 GSM移動(dòng)通信網(wǎng) ...................................................................................................... 52 網(wǎng)絡(luò)結(jié)構(gòu) .................................................................................................................... 52 移動(dòng)業(yè)務(wù)本地網(wǎng)的網(wǎng)絡(luò)結(jié)構(gòu) ............................................................................... 52 省內(nèi)數(shù)字公用陸地蜂窩移動(dòng)通信網(wǎng)絡(luò)結(jié)構(gòu) ........................................................... 54 全國(guó)數(shù)字公用陸地蜂窩移動(dòng)通信網(wǎng)絡(luò)結(jié)構(gòu) ........................................................... 55 移動(dòng)信令網(wǎng)結(jié)構(gòu) .......................................................................................................... 56 總結(jié) ...................................................................................................................................... 58 練習(xí)題 ................................................................................................................................... 59 習(xí)題答案 ............................................................................................................................... 62 MA000001 GSM 數(shù)字移動(dòng)通信原理 插圖目錄 華為技術(shù)有限公司 版權(quán)所有 , 未經(jīng)許可不得擴(kuò)散 iii 插圖目錄 圖 21 三種多址方式概念示意圖 .............................................................................................. 3 圖 22 D/R比 .......................................................................................................................... 6 圖 23 N小區(qū)復(fù)用模式 ............................................................................................................ 7 圖 31 GSM系統(tǒng)結(jié)構(gòu) .............................................................................................................. 9 圖 32 移動(dòng)臺(tái)的功能結(jié)構(gòu) ...................................................................................................... 10 圖 33 一種典型的 BSS組成方式 .......................................................................................... 11 圖 34 GSM系統(tǒng)的主要接口 ................................................................................................. 15 圖 35 網(wǎng)路子系統(tǒng)內(nèi)部接口示意圖 ........................................................................................ 16 圖 36 系統(tǒng)主要接口的協(xié)議分層示意圖 ................................................................................. 18 圖 37 A接