说明：  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 the ZTE Mobile GPRS protocol stack, and describes the implementation of the protocol stack. established simulation results. V.42 compression can be used for part of the SNDCP sublayer packet data compression.)