本文档描述中兴移动台GPRS协议栈总体设计方案。在描述GPRS系统基本原理的基础上，提出中兴移动台GPRS协议栈的设计目标，并描述了协议栈的实现方案。-This document describes the ZTE mobile station GPRS protocol stack, the overall design. Describe the basic principle of the GPRS system on the basis of the design goals of th