轨道交通车载无线通信终端设计与实现

On-board wireless communication terminal for rail transit

设计实现的轨道交通车载无线通信终端由多个无线模块组成,能够提供多种模式的无线通信通道和无线通信服务,包括5G/4G/3G无线通信服务,无线局域网(WLAN)连接服务、无线接入点(AP,Access Point)热点接入服务等。涉及的无线通信方式具有自适应控制策略和手动配置控制策略,能够最大程度地满足轨道交通运用需求和适应实际运行环境条件。该装置为实现轨道交通车地稳定数据交互、维护设备无线接入、总线通信介质管理等构建了重要的平台支撑。

The design and implementation of on-board wireless communication terminal for rail transit in this paper was composed of multiple wireless modules,which could provide a variety of modes of wireless communication channels and wireless communication services,including 5G/4G/3G wireless communication services,WLAN local area network wireless connection services,AP(Access Point)hot spot wireless access services,etc.The wireless communication mode involved had adaptive control strategy and manual configuration control strategy,which could meet the requirements of rail transit operation and adapted to the actual operating environment to the greatest extent.The device has constructed an important platform support for the implementation of rail transit vehicle ground stable data interaction,maintenance equipment wireless access,bus communication medium management,and so on.