IEEE 802.11ax在城市轨道交通车地无线系统中的应用研究

Research on the Application of 802.11ax in Train-ground Wireless System in Metro

文章分析了当前轨道交通乘客信息系统车地无线通信业务需求,对WLAN、LTE和5G技术进行了分析比较,提出了利用802.11ax组建PIS系统车地无线网的解决方案。

This paper analyzes the main services provided by train-ground wireless transmission system dedicated to urban rail systems,analyzes and compares WLAN,LTE and 5G technologies,and puts forward the solution of using IEEE 802.11ax to establish PIS system train-ground wireless network.