中国联通公司企业标准中国联通 GPRS 数字蜂窝移动通信网技术体制China Unicom GPRS Digital Cellular Mobile Communication Network Technical Requirement（V2.0）中国联通公司发布目 次前 言...............................................................................IV1 范围..................................................................................52 规范性引用文件........................................................................53 缩略语和定义..........................................................................63.1 缩略语..............................................................................63.2 定义................................................................................74 总则..................................................................................75 网络结构..............................................................................75.1 GPRS 系统的基本结构.................................................................75.1.1 基本结构..........................................................................75.1.2 区域划分.........................................................................105.2 中国联通 GPRS 网结构................................................................105.2.1 GPRS 全网共用设备................................................................105.2.2 GPRS 各省网元....................................................................105.3 GPRS 承载网........................................................................115.4 GPRS 网络与 No.7 信令网的连接.......................................................125.5 GPRS 网络与外部数据网的连接........................................................125.6 GPRS 网络与增值业务的连接..........................................................135.7 与其它运营者的 GPRS 网的互连........................................................135.8 GPRS 网络与网管系统的连接............................................................
