5G通信技术在城市轨道交通信号车地通信中的应用探讨

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摘要:5G通信技术具有大带宽、高可靠、低时延的特性,且支持与垂直行业的业务融合,成为解决轨道交通通信业务的有效途径。文章通过对5G技术在南京地铁马群试车线和宁句城际线应用验证情况进行分析,提出了5G技术承载信号车地业务的思考,供5G技术在城市轨道交通领域的进一步研究提供参考。
关键词:5G通信技术;城市轨道交通;信号系统;车地无线通信;移动边缘计算
doi:10.3969/J.ISSN.1672-7274.2022.09.044
中图分类号:TN 929.53,U 231.7 文献标示码:A 文章编码:1672-7274(2022)09-0-03
Discussion on the Application of 5G Communication Technology in Vehicle Ground Communication of Urban Rail Transit Signal
WANG Chongguo, LI Yun
(Nanjing Metro Construction Co., Ltd., Nanjing 210019,China)
Abstract: 5G communication technology has the characteristics of large bandwidth, high reliability and low delay, and supports the business integration with vertical industries. It has become an effective way to solve the rail transit communication business. This paper analyzes the application and verification of 5G technology in Maqun test line of Nanjing Metro and ningju intercity line, and puts forward the thinking of 5G technology carrying signal train ground business, which provides a reference for the further research of 5G technology in the field of urban rail transit.
Key words: 5G communication technology; urban rail transit; signalling system; train ground wireless communication; moving edge calculation
1 城市轨道交通车地无线通信技术应用
现状
目前,城市轨道交通CBTC信号系统采用的车地无线通信技术主要有WLAN技术和TD-LTE无线移动通信技术。(剩余3033字)