【資料名稱】：GPRS基本原理

【資料作者】：無

【資料日期】：無

【資料語言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

第 1 章 GPRS概述...........................................................................1-1
1.1 GPRS的產(chǎn)生............................................................................... 1-1
1.2 GPRS的發(fā)展............................................................................... 1-1
1.3 CSD與GPRS的比較.................................................................... 1-2
1.3.1 電路交換的通信方式......................................................... 1-2
1.3.2 分組交換的通信方式......................................................... 1-2
1.3.3 GPRS與HSCSD業(yè)務(wù)的比較............................................. 1-3
1.4 GPRS業(yè)務(wù)發(fā)展分析.................................................................... 1-5
1.4.1 GPRS業(yè)務(wù)發(fā)展的有利因素............................................... 1-5
1.4.2 制約GPRS業(yè)務(wù)應(yīng)用的不利因素....................................... 1-6
第2 章 GPRS基本功能和業(yè)務(wù)..........................................................2-1
2.1 GPRS業(yè)務(wù)種類........................................................................... 2-1
第3 章 GPRS基本體系結(jié)構(gòu)和傳輸機(jī)制...........................................3-1
3.1 GPRS接入點(diǎn)............................................................................... 3-1
3.2 網(wǎng)絡(luò)互通...................................................................................... 3-1
3.3 邏輯體系結(jié)構(gòu).............................................................................. 3-1
3.3.1 主要網(wǎng)絡(luò)實(shí)體.................................................................... 3-3
3.3.2 主要的網(wǎng)絡(luò)接口................................................................ 3-5
3.4 高層功能...................................................................................... 3-7
3.4.1 網(wǎng)絡(luò)接入控制功能............................................................. 3-7
3.4.2 分組路由和轉(zhuǎn)發(fā)功能......................................................... 3-8
3.4.3 移動(dòng)性管理功能.............................................................. 3-10
3.4.4 邏輯鏈路管理功能........................................................... 3-11
3.4.5 無線資源管理功能........................................................... 3-11
3.4.6 網(wǎng)絡(luò)管理功能.................................................................. 3-12
3.5 功能分配.................................................................................... 3-12
3.6 GPRS數(shù)據(jù)傳輸平面.................................................................. 3-14
3.7 GPRS信令平面......................................................................... 3-15
3.7.1 MS與SGSN間信令平面.................................................. 3-15
3.7.2 SGSN與HLR間信令平面................................................ 3-16
3.7.3 SGSN與MSC/VLR間信令平面....................................... 3-16
3.7.4 SGSN與EIR間信令平面................................................. 3-17
3.7.5 SGSN與SMS-GMSC、SMS-IWMSC間信令平面............-17
3.7.6 GPRS支持節(jié)點(diǎn)間信令平面............................................. 3-18
3.7.7 GGSN與HLR間信令平面................................................ 3-18
第4 章移動(dòng)性管理...........................................................................4-1
4.1 移動(dòng)性管理狀態(tài)........................................................................... 4-1
GPRS 基本原理目錄
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4.1.1 IDLE狀態(tài).......................................................................... 4-1
4.1.2 STANDBY狀態(tài)................................................................. 4-1
4.1.3 READY狀態(tài)...................................................................... 4-2
4.2 MM狀態(tài)功能................................................................................ 4-3
4.2.1 MM狀態(tài)遷移..................................................................... 4-3
4.2.2 就緒定時(shí)器功能................................................................ 4-4
4.2.3 周期性路由區(qū)更新定時(shí)器功能.......................................... 4-5
4.2.4 MS可及定時(shí)器功能........................................................... 4-5
4.3 SGSN與MSC/VLR的交互........................................................... 4-6
4.3.1 SGSN-MSC/VLR關(guān)聯(lián)的管理............................................ 4-6
4.3.2 聯(lián)合RA/LA更新................................................................. 4-7
4.3.3 CS尋呼協(xié)調(diào)及網(wǎng)絡(luò)操作模式............................................. 4-7
4.4 MM規(guī)程....................................................................................... 4-9
4.4.1 GPRS附著功能................................................................. 4-9
4.4.2 GPRS分離規(guī)程............................................................... 4-11
4.4.3 清除功能......................................................................... 4-13
4.5 安全性功能................................................................................ 4-13
4.5.1 用戶鑒權(quán)......................................................................... 4-14
4.5.2 用戶識(shí)別碼保密.............................................................. 4-14
4.5.3 用戶數(shù)據(jù)和GMM/SM信令保密........................................ 4-15
4.5.4 用戶身份檢查.................................................................. 4-16
4.6 位置管理功能............................................................................ 4-16
4.6.1 小區(qū)更新規(guī)程.................................................................. 4-17
4.6.2 路由區(qū)更新規(guī)程.............................................................. 4-17
4.6.3 聯(lián)合RA/LA更新規(guī)程....................................................... 4-19
4.6.4 周期性路由區(qū)更新和位置區(qū)更新..................................... 4-22
4.7 用戶數(shù)據(jù)管理功能..................................................................... 4-23
4.7.1 添加用戶數(shù)據(jù)規(guī)程........................................................... 4-23
4.7.2 刪除用戶數(shù)據(jù)規(guī)程........................................................... 4-23
4.8 MS類標(biāo)處理功能....................................................................... 4-24
第5 章無線資源管理功能................................................................5-1
5.1 無線資源管理.............................................................................. 5-1
5.2 GPRS下行鏈路傳輸?shù)膶ず?........................................................ 5-1
5.3 小區(qū)選擇和小區(qū)重選................................................................... 5-2
5.4 非連續(xù)接收.................................................................................. 5-2
第6 章分組路由與傳輸功能.............................................................6-1
6.1 PDP狀態(tài)和狀態(tài)轉(zhuǎn)換................................................................... 6-1
6.2 會(huì)話管理規(guī)程.............................................................................. 6-2
6.2.1 靜態(tài)地址與動(dòng)態(tài)地址......................................................... 6-2
6.2.2 PDP上下文的激活規(guī)程..................................................... 6-3
6.2.3 PDP上下文的修改............................................................ 6-4
6.2.4 PDP上下文的去激活......................................................... 6-5
GPRS 基本原理目錄
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6.3 業(yè)務(wù)流程舉例.............................................................................. 6-7
6.3.1 MS發(fā)起分組數(shù)據(jù)業(yè)務(wù)....................................................... 6-7
6.3.2 網(wǎng)絡(luò)發(fā)起分組數(shù)據(jù)業(yè)務(wù)..................................................... 6-8
第7 章用戶數(shù)據(jù)傳輸.......................................................................7-1
7.1 傳輸模式...................................................................................... 7-1
7.1.1 GTP傳輸模式.................................................................... 7-1
7.1.2 LLC傳輸模式.................................................................... 7-1
7.1.3 RLC傳輸模式.................................................................... 7-1
7.2 LLC功能...................................................................................... 7-1
7.2.1 尋址.................................................................................. 7-1
7.2.2 服務(wù).................................................................................. 7-2
7.2.3 功能.................................................................................. 7-2
7.3 SNDCP功能................................................................................ 7-2
7.4 PPP功能...................................................................................... 7-4
7.5 Gb接口........................................................................................ 7-4
7.5.1 物理層............................................................................... 7-4
7.5.2 FR子層............................................................................. 7-4
7.5.3 NS子層............................................................................. 7-5
7.5.4 BSSGP層......................................................................... 7-5
7.6 Abis接口...................................................................................... 7-9
7.6.1 結(jié)構(gòu)A.............................................................................. 7-10
7.6.2 結(jié)構(gòu)B.............................................................................. 7-10
7.6.3 結(jié)構(gòu)C.............................................................................. 7-11
第8 章信息存儲(chǔ)..............................................................................8-1
8.1 HLR............................................................................................ 8-1
8.2 SGSN......................................................................................... 8-2
8.3 GGSN ........................................................................................ 8-4
8.4 MS.............................................................................................. 8-5
8.5 MSC/VLR.................................................................................... 8-7
第9 章編號(hào)方案..............................................................................9-1
9.1 IMSI............................................................................................ 9-1
9.2 P-TMSI....................................................................................... 9-2
9.3 NSAPI/TLLI ................................................................................. 9-2
9.3.1 NSAPI............................................................................... 9-2
9.3.2 臨時(shí)邏輯鏈路標(biāo)識(shí)（TLLI） .............................................. 9-3
9.4 PDP地址和類型........................................................................... 9-3
9.5 TID ............................................................................................. 9-3
9.6 路由區(qū)識(shí)別碼.............................................................................. 9-4
9.7 小區(qū)標(biāo)識(shí)...................................................................................... 9-4
9.8 GSN地址..................................................................................... 9-4
9.9 接入點(diǎn)名字.................................................................................. 9-5
GPRS 基本原理目錄
iv
第10 章 GPRS系統(tǒng)的運(yùn)營.............................................................10-1
10.1 計(jì)費(fèi)信息.................................................................................. 10-1
10.2 計(jì)費(fèi)功能.................................................................................. 10-1
10.2.1 分組型業(yè)務(wù)計(jì)費(fèi)方式和電路型業(yè)務(wù)計(jì)費(fèi)方式的區(qū)別...... 10-1
10.2.2 計(jì)費(fèi)處理流程和話單傳送接口...................................... 10-2
10.2.3 話單類型....................................................................... 10-2
10.3 網(wǎng)絡(luò)服務(wù)質(zhì)量（QoS）............................................................ 10-3
10.3.1 優(yōu)先級(jí)別....................................................................... 10-3
10.3.2 延時(shí)級(jí)別....................................................................... 10-3
10.3.3 可靠性級(jí)別................................................................... 10-3
10.3.4 峰值吞吐量級(jí)別............................................................ 10-4
10.3.5 平均吞吐量級(jí)別............................................................ 10-5
10.4 消息過濾功能.......................................................................... 10-6
10.5 兼容性問題.............................................................................. 10-6
第11 章與GSM其它業(yè)務(wù)的交互....................................................11-1
11.1 與點(diǎn)對(duì)點(diǎn)短消息業(yè)務(wù)關(guān)系........................................................ 11-1
11.2 與電路交換業(yè)務(wù)的關(guān)系............................................................ 11-1
第12 章 IP相關(guān)的基礎(chǔ)知識(shí)............................................................12-1
12.1 NAT和PROXY......................................................................... 12-1
12.2 FIREWALL.............................................................................. 12-1
12.3 GRE ........................................................................................ 12-3
12.4 DNS ........................................................................................ 12-3
12.5 RADIUS .................................................................................. 12-4
12.6 VPN........................................................................................ 12-4
12.6.1 VPN基本概念................................................................ 12-4
12.6.2 VPN的基本技術(shù)............................................................ 12-4
12.6.3 VPN的類型與應(yīng)用方式................................................. 12-6
12.6.4 三層隧道協(xié)議................................................................ 12-7
12.6.5 VPN的優(yōu)點(diǎn)................................................................... 12-7