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GPRS基本原理1目錄
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)務的比較.............................................................................. 1-3
1.4 GPRS 業(yè)務發(fā)展分析...................................................................................................... 1-5
1.4.1 GPRS 業(yè)務發(fā)展的有利因素................................................................................. 1-5
1.4.2 制約GPRS 業(yè)務應用的不利因素......................................................................... 1-6
第2 章 GPRS 基本功能和業(yè)務.................................................................................................. 2-1
2.1 GPRS 業(yè)務種類............................................................................................................. 2-1
第3 章 GPRS 基本體系結構和傳輸機制................................................................................... 3-1
3.1 GPRS 接入點................................................................................................................ 3-1
3.2 網(wǎng)絡互通....................................................................................................................... 3-1
3.3 邏輯體系結構................................................................................................................ 3-1
3.3.1 主要網(wǎng)絡實體...................................................................................................... 3-3
3.3.2 主要的網(wǎng)絡接口................................................................................................... 3-5
3.4 高層功能....................................................................................................................... 3-7
3.4.1 網(wǎng)絡接入控制功能............................................................................................... 3-7
3.4.2 分組路由和轉(zhuǎn)發(fā)功能............................................................................................ 3-8
3.4.3 移動性管理功能................................................................................................... 3-8
3.4.4 邏輯鏈路管理功能............................................................................................... 3-8
3.4.5 無線資源管理功能............................................................................................... 3-8
3.4.6 網(wǎng)絡管理功能...................................................................................................... 3-8
3.5 功能分配....................................................................................................................... 3-8
3.6 GPRS 數(shù)據(jù)傳輸平面...................................................................................................... 3-8
3.7 GPRS 信令平面............................................................................................................. 3-8
3.7.1 MS 與SGSN 間信令平面..................................................................................... 3-8
3.7.2 SGSN 與HLR 間信令平面................................................................................... 3-8
3.7.3 SGSN 與MSC/VLR 間信令平面.......................................................................... 3-8
3.7.4 SGSN 與EIR 間信令平面.................................................................................... 3-8
3.7.5 SGSN 與SMS-GMSC 、SMS-IWMSC 間信令平面............................................... 3-8
3.7.6 GPRS 支持節(jié)點間信令平面................................................................................. 3-8
3.7.7 GGSN 與HLR 間信令平面................................................................................... 3-8
第4 章移動性管理.................................................................................................................... 4-8
4.1 移動性管理狀態(tài)............................................................................................................. 4-8
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4.1.1 IDLE 狀態(tài)............................................................................................................ 4-8
4.1.2 STANDBY 狀態(tài)................................................................................................... 4-8
4.1.3 READY 狀態(tài)....................................................................................................... 4-8
4.2 MM 狀態(tài)功能................................................................................................................. 4-8
4.2.1 MM 狀態(tài)遷移....................................................................................................... 4-8
4.2.2 就緒定時器功能................................................................................................... 4-8
4.2.3 周期性路由區(qū)更新定時器功能.............................................................................. 4-8
4.2.4 MS 可及定時器功能............................................................................................. 4-8
4.3 SGSN 與MSC/VLR 的交互............................................................................................ 4-8
4.3.1 SGSN-MSC/VLR 關聯(lián)的管理.............................................................................. 4-8
4.3.2 聯(lián)合RA/LA 更新................................................................................................. 4-8
4.3.3 CS 尋呼協(xié)調(diào)及網(wǎng)絡操作模式............................................................................... 4-8
4.4 MM 規(guī)程........................................................................................................................ 4-8
4.4.1 GPRS 附著功能.................................................................................................. 4-8
4.4.2 GPRS 分離規(guī)程.................................................................................................. 4-8
4.4.3 清除功能............................................................................................................. 4-8
4.5 安全性功能.................................................................................................................... 4-8
4.5.1 用戶鑒權............................................................................................................. 4-8
4.5.2 用戶識別碼保密................................................................................................... 4-8
4.5.3 用戶數(shù)據(jù)和GMM/SM 信令保密........................................................................... 4-8
4.5.4 用戶身份檢查...................................................................................................... 4-8
4.6 位置管理功能................................................................................................................ 4-8
4.6.1 小區(qū)更新規(guī)程...................................................................................................... 4-8
4.6.2 路由區(qū)更新規(guī)程................................................................................................... 4-8
4.6.3 聯(lián)合RA/LA 更新規(guī)程.......................................................................................... 4-8
4.6.4 周期性路由區(qū)更新和位置區(qū)更新.......................................................................... 4-8
4.7 用戶數(shù)據(jù)管理功能......................................................................................................... 4-8
4.7.1 添加用戶數(shù)據(jù)規(guī)程............................................................................................... 4-8
4.7.2 刪除用戶數(shù)據(jù)規(guī)程............................................................................................... 4-8
4.8 MS 類標處理功能.......................................................................................................... 4-8
第5 章無線資源管理功能......................................................................................................... 5-8
5.1 無線資源管理................................................................................................................ 5-8
5.2 GPRS 下行鏈路傳輸?shù)膶ず?.......................................................................................... 5-8
5.3 小區(qū)選擇和小區(qū)重選...................................................................................................... 5-8
5.4 非連續(xù)接收.................................................................................................................... 5-8
第6 章分組路由與傳輸功能..................................................................................................... 6-8
6.1 PDP 狀態(tài)和狀態(tài)轉(zhuǎn)換..................................................................................................... 6-8
6.2 會話管理規(guī)程................................................................................................................ 6-8
6.2.1 靜態(tài)地址與動態(tài)地址............................................................................................ 6-8
6.2.2 PDP 上下文的激活規(guī)程....................................................................................... 6-8
6.2.3 PDP 上下文的修改.............................................................................................. 6-8
6.2.4 PDP 上下文的去激活........................................................................................... 6-8
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6.3 業(yè)務流程舉例................................................................................................................ 6-8
6.3.1 MS 發(fā)起分組數(shù)據(jù)業(yè)務......................................................................................... 6-8
6.3.2 網(wǎng)絡發(fā)起分組數(shù)據(jù)業(yè)務........................................................................................ 6-8
第7 章用戶數(shù)據(jù)傳輸................................................................................................................ 7-8
7.1 傳輸模式....................................................................................................................... 7-8
7.1.1 GTP 傳輸模式..................................................................................................... 7-8
7.1.2 LLC 傳輸模式...................................................................................................... 7-8
7.1.3 RLC 傳輸模式..................................................................................................... 7-8
7.2 LLC 功能....................................................................................................................... 7-8
7.2.1 尋址.................................................................................................................... 7-8
7.2.2 服務.................................................................................................................... 7-8
7.2.3 功能.................................................................................................................... 7-8
7.3 SNDCP 功能................................................................................................................. 7-8
7.4 PPP 功能...................................................................................................................... 7-8
7.5 Gb 接口......................................................................................................................... 7-8
7.5.1 物理層................................................................................................................. 7-8
7.5.2 FR 子層............................................................................................................... 7-8
7.5.3 NS 子層.............................................................................................................. 7-8
7.5.4 BSSGP 層........................................................................................................... 7-8
7.6 Abis 接口....................................................................................................................... 7-8
7.6.1 結構A................................................................................................................. 7-8
7.6.2 結構B................................................................................................................. 7-8
7.6.3 結構C................................................................................................................. 7-8
第8 章信息存儲........................................................................................................................ 8-8
8.1 HLR .............................................................................................................................. 8-8
8.2 SGSN ........................................................................................................................... 8-8
8.3 GGSN........................................................................................................................... 8-8
8.4 MS................................................................................................................................ 8-8
8.5 MSC/VLR...................................................................................................................... 8-8
第9 章編號方案........................................................................................................................ 9-8
9.1 IMSI.............................................................................................................................. 9-8
9.2 P-TMSI ......................................................................................................................... 9-8
9.3 NSAPI/TLLI................................................................................................................... 9-8
9.3.1 NSAPI................................................................................................................. 9-8
9.3.2 臨時邏輯鏈路標識（TLLI） ................................................................................. 9-8
9.4 PDP 地址和類型............................................................................................................ 9-8
9.5 TID ............................................................................................................................... 9-8
9.6 路由區(qū)識別碼................................................................................................................ 9-8
9.7 小區(qū)標識....................................................................................................................... 9-8
9.8 GSN 地址...................................................................................................................... 9-8
9.9 接入點名字.................................................................................................................... 9-8
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第10 章 GPRS 系統(tǒng)的運營..................................................................................................... 10-8
10.1
計費信息....................................................................................................................10-8
10.2
計費功能....................................................................................................................10-8
10.2.1
分組型業(yè)務計費方式和電路型業(yè)務計費方式的區(qū)別............................................10-8
10.2.2
計費處理流程和話單傳送接口...........................................................................10-8
10.2.3
話單類型..........................................................................................................10-8
10.3
網(wǎng)絡服務質(zhì)量（QoS） ...............................................................................................10-8
10.3.1
優(yōu)先級別..........................................................................................................10-8
10.3.2
延時級別..........................................................................................................10-8
10.3.3
可靠性級別.......................................................................................................10-8
10.3.4
峰值吞吐量級別................................................................................................10-8
10.3.5
平均吞吐量級別................................................................................................10-8
10.4
消息過濾功能.............................................................................................................10-8
10.5
兼容性問題.................................................................................................................10-8
第11 章與GSM 其它業(yè)務的交互........................................................................................... 11-8
11.1 與點對點短消息業(yè)務關系............................................................................................11-8
11.2
與電路交換業(yè)務的關系...............................................................................................11-8
第12 章 IP 相關的基礎知識.................................................................................................... 12-8
12.1 NAT 和PROXY..........................................................................................................12-8
12.2 FIREWALL.................................................................................................................12-8
12.3 GRE...........................................................................................................................12-8
12.4 DNS...........................................................................................................................12-8
12.5 RADIUS.....................................................................................................................12-8
12.6 VPN...........................................................................................................................12-8
12.6.1
VPN 基本概念..................................................................................................12-8
12.6.2
VPN 的基本技術...............................................................................................12-8
12.6.3
VPN 的類型與應用方式....................................................................................12-8
12.6.4
三層隧道協(xié)議...................................................................................................12-8
12.6.5
VPN 的優(yōu)點......................................................................................................12-8
附錄A 縮略語...........................................................................................................................A-8
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本帖最后由 xjll1982 于 2007-7-30 14:35 編輯 ]
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