铁路监视无人机宽带信息传输系统  

Unmanned Aerial Vehicle Wideband Information Transmission System for Railway Monitoring

作　　者：张斌 ZHANG Bin(Shuohuang Railway Development Co.,Ltd.,Cangzhou 062350,China)

机构地区：[1]国能朔黄铁路发展有限责任公司,沧州062350

出　　处：《自动化与仪表》2022年第5期104-108,共5页Automation & Instrumentation

摘　　要：铁路系统作为国家重要的运输系统,其日常的稳定运行决定了国民生产和生活的正常运转。为了对铁路进行实时监控,可以利用无人机的灵活性,将其布置在铁轨沿线上。该文以无人机为监视主体,提出了空基平台的铁路监视系统,并采用毫米波阵列通信方案,在基站接收机上进行大型天线阵波束赋形,以解决远距离、大带宽的上行通信难题。在设计中比较了最小均方误差和迫零法两种方法。最后进行了仿真论证,仿真结果显示,最小均方误差法效果较好,并且还为铁路沿线的无人机布置提供了参考。As an important national transportation system,the railway’s daily stable operation determines the normal operation of national production and life.Due to the flexible mobility and low labor cost of drones,UAV can be placed along the railway tracks for monitoring.This paper takes UAV as the monitoring subject and proposes the railway monitoring system of the space-based platform,and adopts the millimeter-wave array communication scheme,and the large-scale antenna array beamforming is performed on the base station receiver to solve the problem of long-distance and large-bandwidth uplink communication.Two methods of minimum mean square error and zero forcing are compared in the design.Finally,a simulation demonstration is carried out.The simulation results show that the minimum mean square error method is effective,and it also provides a reference for the layout of UAVs along the railway.

关 键 词：无人机 铁路监测 波束赋形 迫零法 最小均方误差 

分 类 号：U285.28[交通运输工程—交通信息工程及控制]