基于无线通信的CBTC研究综述

Study on CBTC based on Wireless Communication

对基于通信技术的列车控制系统进行了全面研究,分析了CBTC系统通过车地设备间的连续、高速、双向的数据通信技术,实现列车的高精定位和控制的关键作用,并进一步介绍了CBTC的基本原理、特点和系统结构,对CBTC系统中几种常用的无线通信解决方案进行了分析和比较,总结得出采用漏泄同轴电缆和无线电台混合组网的最优解决方案,同时指出CBTC系统由于采用了先进的通信技术,其必将引领现代城市轨道交通与铁路通信信号发展的未来方向。

Study on communication-based train control system is conducted, the critical role of CBTC system in realizing high-precision positioning and control of the train through the successive, high-speed, bidirectional data communication between the vebicle equipments is analyzed, the basic principle, characteristics and system structure are described, several wireless communication solutions is CBTC system are compared and analyzed, the optimal solution by adoption of leaky coaxial cable and radio mixed network is concluded. Finally this paper points out that the CBTC system, by adoption of advanced communication technology, would lead the future development of modern city railway traffic and communication signal.