【資料名稱】:GSM資料(華為內(nèi)部技術(shù)資料)
數(shù)字移動(dòng)通信原理(華為).pdf (388.94 KB)
【資料作者】:華為
【資料日期】:2007
【資料語言】:中文
【資料格式】:PDF
【資料目錄和簡(jiǎn)介】:
目錄
課程說明...................................................................................................................................1
課程介紹..................................................................................................................................... 1
課程目標(biāo)..................................................................................................................................... 1
相關(guān)資料..................................................................................................................................... 1
第 1 章 GSM 發(fā)展簡(jiǎn)史...............................................................................................................2
第 2 章 數(shù)字移動(dòng)通信技術(shù).........................................................................................................3
2.1 多址技術(shù)............................................................................................................................... 3
2.1.1 頻分多址.................................................................................................................... 3
2.1.2 時(shí)分多址.................................................................................................................... 4
2.1.3 碼分多址.................................................................................................................... 4
2.2 功率控制............................................................................................................................... 5
2.3 蜂窩技術(shù)............................................................................................................................... 5
2.3.1 頻率復(fù)用的概念......................................................................................................... 5
2.3.2 頻率復(fù)用方案............................................................................................................. 6
2.3.3 頻率復(fù)用距離............................................................................................................. 6
第 3 章 GSM 系統(tǒng)結(jié)構(gòu)與相關(guān)接口.............................................................................................8
3.1 GSM 系統(tǒng)結(jié)構(gòu)...................................................................................................................... 8
3.1.1 系統(tǒng)的基本特點(diǎn)......................................................................................................... 8
3.1.2 系統(tǒng)的結(jié)構(gòu)與功能...................................................................................................... 8
3.2 接口和協(xié)議......................................................................................................................... 14
3.2.1 主要接口.................................................................................................................. 14
3.2.2 網(wǎng)路子系統(tǒng)內(nèi)部接口................................................................................................ 15
3.2.3 GSM 系統(tǒng)與其它公用電信網(wǎng)的接口......................................................................... 17
3.2.4 各接口協(xié)議............................................................................................................... 17
3.3 GSM 系統(tǒng)主要參數(shù)............................................................................................................. 20
第 4 章 移動(dòng)區(qū)域定義與識(shí)別號(hào)................................................................................................ 22
4.1 區(qū)域定義............................................................................................................................. 22
4.1.1 服務(wù)區(qū)...................................................................................................................... 22
4.1.2 公用陸地移動(dòng)通信網(wǎng)(PLMN)............................................................................... 23
4.1.3 MSC 區(qū)..................................................................................................................... 23
4.1.4 位置區(qū)...................................................................................................................... 23
4.1.5 基站區(qū)...................................................................................................................... 23
4.1.6 小區(qū)......................................................................................................................... 23
4.2 移動(dòng)識(shí)別號(hào)......................................................................................................................... 23
4.2.1 IMSI (International Mobile Subscriber Identity): .................................................... 23
4.2.2 TMSI (Temporary Mobile Subscriber Identity):...................................................... 24
MA0000 GSM 數(shù)字移動(dòng)通信原理
Issue 3.3
目錄
ii
4.2.3 LMSI (Local Mobile Subscriber Identity):............................................................... 25
4.2.4 MSISDN(Mobile Subscriber International ISDN/PSTN number):.......................... 25
4.2.5 MSC-Number(MSC 號(hào)碼)/VLR-Number(VLR 號(hào)碼) ................................................. 26
4.2.6 Roaming-Number(漫游號(hào)碼)與Handover-Number(切換號(hào)碼)................................. 26
4.2.7 HLR-Number(HLR 號(hào)碼) ......................................................................................... 27
4.2.8 LAI(Location Area Identification--位置區(qū))................................................................. 27
4.2.9 CGI(Cell Global Identification--全球小區(qū)識(shí)別) ......................................................... 28
4.2.10 RSZI (Regional Subscription Zone Identity)........................................................... 28
4.2.11 BSIC(基站識(shí)別色碼) .......................................................................................... 28
4.2.12 IMEI(國(guó)際移動(dòng)設(shè)備識(shí)別碼) ................................................................................ 29
第 5 章 GSM 系統(tǒng)的無線接口與系統(tǒng)消息................................................................................ 30
5.1 無線接口............................................................................................................................. 30
5.1.1 語音編碼.................................................................................................................. 30
5.1.2 信道編碼.................................................................................................................. 31
5.1.3 交織......................................................................................................................... 31
5.1.4 調(diào)制技術(shù).................................................................................................................. 33
5.1.5 跳頻......................................................................................................................... 34
5.1.6 時(shí)序調(diào)整.................................................................................................................. 35
5.2 幀和信道............................................................................................................................. 35
5.2.1 基本術(shù)語簡(jiǎn)介........................................................................................................... 35
5.2.2 信道類型和組合....................................................................................................... 39
5.3 系統(tǒng)消息............................................................................................................................. 43
5.3.1 系統(tǒng)消息的作用....................................................................................................... 43
5.3.2 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
6.1 GSM 系統(tǒng)的安全性管理...................................................................................................... 47
6.2 GSM 系統(tǒng)移動(dòng)性管理.......................................................................................................... 49
6.2.1 漫游管理.................................................................................................................. 49
6.2.2 切換管理.................................................................................................................. 49
第 7 章 GSM 移動(dòng)通信網(wǎng)......................................................................................................... 52
7.1 網(wǎng)絡(luò)結(jié)構(gòu)............................................................................................................................. 52
7.1.1 移動(dòng)業(yè)務(wù)本地網(wǎng)的網(wǎng)絡(luò)結(jié)構(gòu)..................................................................................... 52
7.1.2 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
7.1.3 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
7.2 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