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GPRS基本原理1目录

第1 章 GPRS 概述.................................................................................................................... 1-1

1.1 GPRS 的产生................................................................................................................ 1-1

1.2 GPRS 的发展................................................................................................................ 1-1

1.3 CSD 与GPRS 的比较.................................................................................................... 1-2

1.3.1 电路交换的通信方式............................................................................................ 1-2

1.3.2 分组交换的通信方式............................................................................................ 1-2

1.3.3 GPRS 与HSCSD 业务的比较.............................................................................. 1-3

1.4 GPRS 业务发展分析...................................................................................................... 1-5

1.4.1 GPRS 业务发展的有利因素................................................................................. 1-5

1.4.2 制约GPRS 业务应用的不利因素......................................................................... 1-6
第2 章 GPRS 基本功能和业务.................................................................................................. 2-1

2.1 GPRS 业务种类............................................................................................................. 2-1
第3 章 GPRS 基本体系结构和传输机制................................................................................... 3-1

3.1 GPRS 接入点................................................................................................................ 3-1

3.2 网络互通....................................................................................................................... 3-1

3.3 逻辑体系结构................................................................................................................ 3-1

3.3.1 主要网络实体...................................................................................................... 3-3

3.3.2 主要的网络接口................................................................................................... 3-5

3.4 高层功能....................................................................................................................... 3-7

3.4.1 网络接入控制功能............................................................................................... 3-7

3.4.2 分组路由和转发功能............................................................................................ 3-8

3.4.3 移动性管理功能................................................................................................... 3-8

3.4.4 逻辑链路管理功能............................................................................................... 3-8

3.4.5 无线资源管理功能............................................................................................... 3-8

3.4.6 网络管理功能...................................................................................................... 3-8

3.5 功能分配....................................................................................................................... 3-8

3.6 GPRS 数据传输平面...................................................................................................... 3-8

3.7 GPRS 信令平面............................................................................................................. 3-8

3.7.1 MS 与SGSN 间信令平面..................................................................................... 3-8

3.7.2 SGSN 与HLR 间信令平面................................................................................... 3-8

3.7.3 SGSN 与MSC/VLR 间信令平面.......................................................................... 3-8

3.7.4 SGSN 与EIR 间信令平面.................................................................................... 3-8

3.7.5 SGSN 与SMS-GMSC 、SMS-IWMSC 间信令平面............................................... 3-8

3.7.6 GPRS 支持节点间信令平面................................................................................. 3-8

3.7.7 GGSN 与HLR 间信令平面................................................................................... 3-8
第4 章移动性管理.................................................................................................................... 4-8

4.1 移动性管理状态............................................................................................................. 4-8

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4.1.1 IDLE 状态............................................................................................................ 4-8

4.1.2 STANDBY 状态................................................................................................... 4-8

4.1.3 READY 状态....................................................................................................... 4-8

4.2 MM 状态功能................................................................................................................. 4-8

4.2.1 MM 状态迁移....................................................................................................... 4-8

4.2.2 就绪定时器功能................................................................................................... 4-8

4.2.3 周期性路由区更新定时器功能.............................................................................. 4-8

4.2.4 MS 可及定时器功能............................................................................................. 4-8

4.3 SGSN 与MSC/VLR 的交互............................................................................................ 4-8

4.3.1 SGSN-MSC/VLR 关联的管理.............................................................................. 4-8

4.3.2 联合RA/LA 更新................................................................................................. 4-8

4.3.3 CS 寻呼协调及网络操作模式............................................................................... 4-8

4.4 MM 规程........................................................................................................................ 4-8

4.4.1 GPRS 附着功能.................................................................................................. 4-8

4.4.2 GPRS 分离规程.................................................................................................. 4-8

4.4.3 清除功能............................................................................................................. 4-8

4.5 安全性功能.................................................................................................................... 4-8

4.5.1 用户鉴权............................................................................................................. 4-8

4.5.2 用户识别码保密................................................................................................... 4-8

4.5.3 用户数据和GMM/SM 信令保密........................................................................... 4-8

4.5.4 用户身份检查...................................................................................................... 4-8

4.6 位置管理功能................................................................................................................ 4-8

4.6.1 小区更新规程...................................................................................................... 4-8

4.6.2 路由区更新规程................................................................................................... 4-8

4.6.3 联合RA/LA 更新规程.......................................................................................... 4-8

4.6.4 周期性路由区更新和位置区更新.......................................................................... 4-8

4.7 用户数据管理功能......................................................................................................... 4-8

4.7.1 添加用户数据规程............................................................................................... 4-8

4.7.2 删除用户数据规程............................................................................................... 4-8

4.8 MS 类标处理功能.......................................................................................................... 4-8
第5 章无线资源管理功能......................................................................................................... 5-8

5.1 无线资源管理................................................................................................................ 5-8

5.2 GPRS 下行链路传输的寻呼........................................................................................... 5-8

5.3 小区选择和小区重选...................................................................................................... 5-8

5.4 非连续接收.................................................................................................................... 5-8
第6 章分组路由与传输功能..................................................................................................... 6-8

6.1 PDP 状态和状态转换..................................................................................................... 6-8

6.2 会话管理规程................................................................................................................ 6-8

6.2.1 静态地址与动态地址............................................................................................ 6-8

6.2.2 PDP 上下文的激活规程....................................................................................... 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 业务流程举例................................................................................................................ 6-8

6.3.1 MS 发起分组数据业务......................................................................................... 6-8

6.3.2 网络发起分组数据业务........................................................................................ 6-8
第7 章用户数据传输................................................................................................................ 7-8

7.1 传输模式....................................................................................................................... 7-8

7.1.1 GTP 传输模式..................................................................................................... 7-8

7.1.2 LLC 传输模式...................................................................................................... 7-8

7.1.3 RLC 传输模式..................................................................................................... 7-8

7.2 LLC 功能....................................................................................................................... 7-8

7.2.1 寻址.................................................................................................................... 7-8

7.2.2 服务.................................................................................................................... 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 物理层................................................................................................................. 7-8

7.5.2 FR 子层............................................................................................................... 7-8

7.5.3 NS 子层.............................................................................................................. 7-8

7.5.4 BSSGP 层........................................................................................................... 7-8

7.6 Abis 接口....................................................................................................................... 7-8

7.6.1 结构A................................................................................................................. 7-8

7.6.2 结构B................................................................................................................. 7-8

7.6.3 结构C................................................................................................................. 7-8
第8 章信息存储........................................................................................................................ 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 章编号方案........................................................................................................................ 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 临时逻辑链路标识（TLLI） ................................................................................. 9-8

9.4 PDP 地址和类型............................................................................................................ 9-8

9.5 TID ............................................................................................................................... 9-8

9.6 路由区识别码................................................................................................................ 9-8

9.7 小区标识....................................................................................................................... 9-8

9.8 GSN 地址...................................................................................................................... 9-8

9.9 接入点名字.................................................................................................................... 9-8

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第10 章 GPRS 系统的运营..................................................................................................... 10-8

10.1
计费信息....................................................................................................................10-8


10.2
计费功能....................................................................................................................10-8


10.2.1
分组型业务计费方式和电路型业务计费方式的区别............................................10-8


10.2.2
计费处理流程和话单传送接口...........................................................................10-8


10.2.3
话单类型..........................................................................................................10-8




10.3
网络服务质量（QoS） ...............................................................................................10-8


10.3.1
优先级别..........................................................................................................10-8


10.3.2
延时级别..........................................................................................................10-8


10.3.3
可靠性级别.......................................................................................................10-8


10.3.4
峰值吞吐量级别................................................................................................10-8


10.3.5
平均吞吐量级别................................................................................................10-8




10.4
消息过滤功能.............................................................................................................10-8



10.5
兼容性问题.................................................................................................................10-8
第11 章与GSM 其它业务的交互........................................................................................... 11-8


11.1 与点对点短消息业务关系............................................................................................11-8


11.2
与电路交换业务的关系...............................................................................................11-8
第12 章 IP 相关的基础知识.................................................................................................... 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 的基本技术...............................................................................................12-8


12.6.3
VPN 的类型与应用方式....................................................................................12-8


12.6.4
三层隧道协议...................................................................................................12-8




12.6.5
VPN 的优点......................................................................................................12-8
附录A 缩略语...........................................................................................................................A-8

[ 本帖最后由 xjll1982 于 2007-7-30 14:35 编辑 ]