基于单片机GPRS通信系统的计目录摘要.................................................................................................................IAbstract.......................................................................................................II目录..............................................................................................................III前言................................................................................................................11GPRS通信..................................................................................................21.1国内外的研究现状...........................................................................21.2课题研究的背景和意义...................................................................32GPRS通信无线网络的介绍......................................................................52.1什么是GPRS无线通讯网络...........................................................52.1.1为什么要有GPRS......................................................................52.2GPRS的网络结构............................................................................52.2.1GPRS协议栈.............................................................................62.2.2基于GPRS的TCP/IP协议.......................................................72.2.3GPRS究竟是什么.....................................................................82.2.4GPRS有什么优点.....................................................................82.3中国移动发展GPRS的市场定位是什么.......................................92.4.3G先锋—GPRS..........................................................................93GPRS通信系统的整体设计方案............................................................113.1GPRS通信系统的方案论证..........................................................113.2GPRS通信系统的硬件设计方案..................................................133.2.1系统总体功能概述...................................................................143.2.2单片机的用途和使用...............................................................143.2.3单片机STC89C51简介...........................................................153.2.4GPRS模块简介及应用...........................................................163.2.5CTM900-CGPRS模块简介....................................................173.3GPRS通信系统的软件设计方案..................................................173.3.1连接的建立...............................................................................173.3.2数据处理...................................................................................243.3.3主程序流程...............................................................................253.3.4设计实物图...............................................................................26结论..............................................................................................................27致谢..............................................................................................................28参考文献......................................................................................................29附录1电路原理图......................................................................................30附录2系统程序........................................................
