5G-mobile-communication-based collaborative transmission scheme of train-ground wireless network in urban rail transit
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摘要: 针对城市轨道交通中现有车地无线网络在承载带宽和传输速率方面的瓶颈,研究利用5G移动通信 技术的优势,结合既有LTE车地无线网络的建设成果,提出满足大带宽、高速率需求的车地无线网络协同传输方案,为5G移动通信 技术在城市轨道交通车地无线传输业务中的应用提供一种可行的技术方案,实现车载乘客信息系统多媒体在线分发、车载视频录像及日志自动下载功能,有效提升车载运营服务的自动化和智能化。Abstract: To cope with the bottleneck of carrying bandwidth and transmission rate of the existing train-ground wireless network in urban rail transit, a study is made on how to utilize the advantages of 5G mobile networks and a 5G-mobile-network-based collaborative transmission scheme was proposed in combination with the construction results of the existing LTE wireless network in urban rail transit, which provides a feasible solution to the application of 5G mobile networks in urban rail train-ground wireless transmission services and realizes on-line distribution of vehicle PIS 's multimedia contents and automatic download of vehicle surveillance video and onboard logs, effectively improving the automation and intelligent level of onboard operation services.
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