GPRS与GPS在汽车信息服务系统中的设计应用

本文分析了基于嵌入式处理器(Intel SitSang)的汽车信息服务系统。该系统由ARM9嵌入式处理器模块、GPRS模块、GPS模块、汽车安防信息采集和内部故障检测模块、LCD显示模块以及中心台等部分组成。重点介绍了GPRS模块和GPS模块的嵌入式开发．以及如何应用这两个模块实现短信息收发、定位信息的采集和电子地图显示、定位信息和汽车状态故障信息的传输、用户和控制中心台实时的交互、Internet的实时接入与通信等系统功能，实现了一种智能交通系统的可行方案。

The Design and Application of GPRS and GPS in Vehicular Information Service System

This paper analyses a vehicular information service system based on ARM9 (Intel SitSang). It is composed of ARM9, GPRS module, GPS module, vehicular information collection and detection module, LCD, and control center. The embed development of GPRS and GPS is elaborated. And the paper describes how to receive and send short messages, collect orientation information, transmit orientation and vehicular malfunction information, communicate between user and control center, access to Internet in details. It implements a feasible project of ITS.