上海城市轨道交通无线局域网干扰测试分析

吴英杰朱俊

Interference Test Analysis of Shanghai Urban Rail Transit Wireless LAN

WU YingjieZHU Jun
摘要:
介绍了既有CBTC(基于通信的列车控制)系统中2.4 GHz DCS(数据通信子系统)的概况,以及5G频段Wi-Fi(无线保真)产品在城市轨道交通中的应用背景。阐述了5G频段WiFi产品应用对城市轨道交通24 GHz无线通信可能造成的影响及危害。利用已有的5G频段 WiFi产品,对既有CBTC系统24 GHz无线信号设备进行现场干扰测试分析。测试结果表明:上海城市轨道交通现有的5G频段 Wi-Fi产品对2.4 GHz无线通信不会产生任何干扰和影响。
Abstracts:
The general situation of 2.4 GHz DCS (data communication subsystem) in the existing CBTC (communication-based train control) system, and the application background of 5 GHz frequency band Wi-Fi products in urban rail transit are introduced. The possible impact and harm of 5 GHz frequency band Wi-Fi product application on urban rail transit 2.4 GHz wireless communication are expounded. The existing 5 GHz frequency band Wi-Fi products are used to test and analyze the field interference with the 2.4 GHz wireless signaling equipment of the existing CBTC system. The test results show that the existing 5 GHz frequency band Wi-Fi products of Shanghai urban rail transit will not have any interference or impact on 2.4 GHz wireless communication.
引文 / Ref:
吴英杰,朱俊.上海城市轨道交通无线局域网干扰测试分析[J].城市轨道交通研究,2021,24(11):131.
WU Yingjie,ZHU Jun.Interference test analysis of Shanghai urban rail transit wireless LAN[J].Urban Mass Transit,2021,24(11):131.
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