智能轨道交通场景下的毫米波大规模多天线信道测量与建模  

Measurement and Modeling for Millimeter-wave Massive MIMO Channel towards Smart Rail Traffic

作　　者：官科[1,2,3] 单馨漪 柴金川 刘立海 Guan Ke;Shan Xinyi;Chai Jinchuan;Liu Lihai(Beijing Jiaotong University,Key Laboratory of Railway Industry of Broadband Mobile Information Communications,Beijing 100044,China;Beijing Jiaotong University,State Key Laboratory of Rail Traffic Control and Safety,Beijing 100044,China;Beijing Jiaotong University,Beijing Engineering Research Center of High-speed Railway Broadband Mobile Communications,Beijing 100044,China;China Academy of Railway Sciences Corporation Limited,National Railway Track Test Center,Beijing 100015,China;China Railway Siyuan Survey and Design Group Co.,Ltd.,Communication and Signaling Design Department,Hubei,Wuhan 430063,China)

机构地区：[1]北京交通大学宽带移动信息通信铁路行业重点实验室,北京100044 [2]北京交通大学轨道交通控制与安全国家重点实验室,北京100044 [3]北京交通大学北京市高速铁路宽带移动通信工程技术研究中心,北京100044 [4]中国铁道科学研究院集团有限公司国家铁道试验中心,北京100015 [5]中铁第四勘察设计院集团有限公司通信信号设计研究院,湖北武汉430063

出　　处：《铁道技术标准（中英文）》2022年第8期20-25,共6页Railway Technical Standard(Chinese & English)

基　　金：中央高校基本科研业务费(2022JBXT001);国家自然科学基金(62171021,62101026);国家铁路局课题研究计划(KF2021-003);中国国家铁路集团有限公司科技研究开发计划(P2020G004,SY2021G001,P2021G012,N2021G030)。

摘　　要：将毫米波传播与新型大规模多天线技术相结合,对于未来通信理论与系统而言具有革命性意义,有望满足“智慧轨道交通”愿景所提出的高速率、大带宽要求。本文针对轨道交通场景,论述毫米波大规模多天线信道测量与建模的技术路线和研究方法。总结轨道交通场景下毫米波大规模多天线系统的现有研究,分析其在电波传播机理、静态信道和动态信道3个层面存在的科学问题和技术挑战,针对问题与挑战,制定相应研究方案,为毫米波大规模多天线通信系统的设计、评估以及在轨道交通中的应用、部署提供重要参考。The combination of millimeter-wave(mm-wave)propagation with advanced massive MIMO(Multiple-Input Multple-Output)technologies is revolutionary for future communications and is promising to meet the highdata rate and large bandwidth requirements of the“smart rail traffic”vision.This paper addresses the technical route and research methodology of millimetre wave massive MIMO channel measurement and modelling for the rail traff scenarios.A summary of existing research on millimetre wave massive MIMO systems in the rail taff scenarios is presented.The scientife problems and technical challenges at three levels wave propagation mechanism,static channel and dynamic channel are analyzed.Corresponding research proposals are developed to address the problems and challenges,providing important references for the design and evaluation of millimetre-wave massive MIMO communication systems,a well as for their application and deployment in rail tafie.

关 键 词：重载铁路 移动通信 LTE-R 5G-R 网络架构 

分 类 号：TN92[电子电信—通信与信息系统]