基于5G网络车车通信的列车接近预警系统研究

Research on Train Approach Early Warning System Based on 5G Network Train-train Communication

为了防止在极端条件下发生列车追尾事故,将列车接近预警系统作为既有高速铁路保障列车运行安全的补充手段,提出基于5G网络车车通信的列车接近预警系统。结合车车通信技术发展和铁路运营特点,研究了适用于高速铁路的车车通信技术,并针对2种实现方式进行了分析;提出了列车接近预警系统架构,描述了各个组成部分的功能,并说明了系统实现多源融合定位、基于5G网络的车车通信、列车接近预警等主要功能的原理;详细阐述了车载预警处理设备的软件设计方案。通过对基于5G网络车车通信的列车接近预警系统研究,能够为未来车车通信技术在列车控制系统中的应用提供借鉴。

In order to prevent train rear end collision under extreme conditions,the train approach early warning system can be used as a supplement to the existing high-speed railway to ensure safety of the train operation,and a train approach early warning system based on 5G network train-rain communication is proposed.Combined with the development of train-train communication technology and the characteristics of railway operation,the train-train communication technology suitable for high-speed railway is studied,and two train-train communication implementation modes are discussed.The architecture of the system including ground server and train warning processing equipment is proposed,the principles of the main functions of the system,such as multisource fusion positioning,train-rain communication based on 5G network,and train approach early warning,are explained.The software design scheme of train early warning processing equipment is described in details.The research on the train approach early warning system based on 5G network train-train communication can provide reference for the application of train-train communication technology in the train control system in the future.