浅谈城市轨道交通专用无线通信系统

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摘要:无线通信技术经历了模拟通信、数字通信以及现在广泛应用的宽带通信,文章针对专网通信从窄带到宽带制式的演变,对城市轨道交通几种主流制式的专用无线通信系统进行了介绍,并对5G时代下轨道交通发展现状和集群通信业务承载方式的趋势进行了初步探讨。
关键词:专用无线通信系统;TETRA;LTE;5G
doi:10.3969/J.ISSN.1672-7274.2022.01.018
中图分类号:TN 929.5,U 231+.7 文献标示码:A 文章编码:1672-7274(2022)01-0055-04
A Brief Analysis of the Metro Radio Dispatching Communication System
LIU Siyao1, GAO Fan2
(1. Nanjing Rail Transit Systems Co., Ltd., 210000 Nanjing, China; 2. China Construction installation Group Co., Ltd., 210000 Nanjing, China)
Abstract: Wireless communication technology has experienced analog communication, digital communication and now widely used broadband communication, In view of the evolution of private network communication from narrowband to broadband, it is introduced to the functions, comparison and interconnection of the metro radio dispatching communication system. The development status of rail transit in 5G era and the trend of trunking communication mode are discussed preliminarily.
Key words: radio dispatching communication system; TETRA; LTE; 5G
0 引言
轨道交通通信系统主要分为专用通信、民用通信以及公安通信系统(见图1)。(剩余4612字)