基于现行GSM蜂窝网络的短信服务中心，结合电子地图，针对定位需求较大的车辆信息服务业务，探讨了更为实用化的GPS/GSM系统的设计方法，包括区域电子地图的构建，车载终端模块的设计，各部分之间通信协议等，提出了一种低成本、重点侧重于车辆系统的GPS解决方案。该方案可提高工作效率和加快企业信息化进程。关 键 词 信息服务系统; 分控中心; 蜂窝网络; 全球卫星定位系统Abstract Based on the GPS original technology and the electronic MAP, a new practical system solution to the vehicle information service system in GSM networks by using SMS call center is presented. The design method for the GPS/GSM system includes the structure of the regional E-MAP, the organization of the car’s terminal, the protocol of the isolated parts and a low-cost protocol which can improve the work efficiency and accelerate corporation information course.Key words information service system; distributed control center; honeycomb networks; global position system