高速磁悬浮列车车地无线通信技术的探讨  

Research on high-speed maglev train-ground wireless communication technology

作　　者：周梓博 于行健 蒋海林 赵红礼 彭良勇 ZHOU Zibo;YU Xingjian;JIANG Hailin;ZHAO Hongli;PENG Liangyong(National Engineering Research Center of Rail Transportation Operation and Control System,Beijing Jiaotong University,Beijing 100044,China;Institute of Electrical and Telecommunication,China Railway Design Group Co.,Ltd,Tianjin 300308,China)

机构地区：[1]北京交通大学轨道交通运行控制系统国家工程研究中心,北京100044 [2]中国铁路设计集团有限公司电化电信院,天津300308

出　　处：《太赫兹科学与电子信息学报》2022年第8期754-761,共8页Journal of Terahertz Science and Electronic Information Technology

基　　金：国家自然科学基金资助项目(61973026)。

摘　　要：高速磁悬浮列车因其高速便捷将是未来非常有竞争力的地面交通工具,但是高速磁浮车地通信面临多普勒频移大、越区切换频繁、传输实时性要求高以及需承载多种业务等技术问题。本文研究了无线局域网(WLAN)、38 GHz毫米波和地铁长期演进通信系统(LTE-M)/5G等常见民用通信和铁路地铁通信技术在高速磁悬浮系统中的适应性,并对这些通信技术在高速磁悬浮系统车地通信环境中的应用进行了详细分析,提出了改进和应用这些通信技术的方向和技术路线。High-speed maglev trains will be very competitive ground transportation tools in the future because of their high speed and convenience.However,high-speed maglev train-ground communication faces the Doppler effect caused by high-speed motion,frequent handovers,high real time transmission requirements,and the requirements of carrying multiple services.In this paper,the adaptability of common civil communication and railway subway communication technologies such as Wireless Local Area Network(WLAN),38 GHz millimeter wave and Long Term Evolution-Metro(LTE-M)/5G in high-speed maglev system is studied,and the analysis on the application of these communication technologies in the train-ground communication environment of high-speed maglev system is carried out.The direction and technical route of how to improve and apply these communication technologies are put forward.

关 键 词：第四代移动通信技术(4G) 第五代移动通信技术(5G) 车地通信 多普勒效应 网络切片 高速磁悬浮系统 

分 类 号：TN929.53[电子电信—通信与信息系统]