Wi-Fi和无线PBX技术在铁路应急通信中的应用

Application of Wi-Fi and PBX Wireless Technology in Railway Emergency Communication System

铁路应急通信系统要求接入设备在应急现场提供无线话音通信功能,通常该功能有Wi-Fi和无线PBX两种实现方式,介绍2种方式的实现原理和各自的优势和不足。

Equipments accessed to railway emergency communication system are required to provide wireless voice communication function in emergency site. Usually it could be realized via Wi-Fi or wireless PBX. This paper briefly introduce the principles of the two methods and their respective advantages and disadvantages.