摘要
介绍iDEN数字集群网络的系统结构、技术特点及基本功能,比较该网与其他公用网之间的区别,分析其在物流车辆导航应用中的技术优势。在讨论iDEN通信网和现有车辆定位导航技术关系的基础上,对该网用于GPS数据通信的工作原理进行了描述,研究iDEN通信网在W eb-G IS信息访问中的应用情况。结合深圳市的应用实例,就深圳市加强iDEN在物流车辆定位导航中的应用,做了进一步探讨。
This paper introduces the architecture, techniques and basic functions of iDEN digital trunking system. It expounds differences between iDEN and other public network, analyzes the technical advantage of iDEN on location and navigation of logistics vehicles. Based on discussing the relationship of iDEN and the techniques of location and navigation, the paper describes the operational theory of iDEN for GPS date communications, researches the application of Web-GIS information access based on iDEN communications network. Moreover, with the example of Shenzhen city, it discusses the application in location and navigation of logistics vehicles.
出处
《交通与计算机》
2006年第5期96-99,共4页
Computer and Communications
