铁路5G专网MIMO技术研究  

Research on MIMO Technology of 5G Private Network for Railways

作　　者：陈雍珏 陆晓磊 李少华[1] 赵伟[1] 邓小市 刘晔[1] 曾毅[1] CHEN Yongjue;LU Xiaolei;LI Shaohua;ZHAO Wei;DENG Xiaoshi;LIU Ye;ZENG Yi(Huawei Technologies Co Ltd,Shanghai 201206,China)

机构地区：[1]华为技术有限公司,上海201206

出　　处：《中国铁路》2022年第9期88-93,共6页China Railway

摘　　要：随着铁路信息技术的发展,车地间的通信业务需求不断扩展。新业务的涌现对铁路车地无线通信提出了更高要求。在5G-R专网建设中,通过引入多输入多输出(MIMO)技术可以有效提升5G-R专网性能,更好满足铁路智能化发展要求。结合铁路关键场景特点,以及5G无线通信中的MIMO关键技术,研究分析适合于铁路不同场景的MIMO技术集合,为5G-R专网未来部署与应用提供可行建议。With the development of information technology in the railway sector,new business has emerged,putting forward higher requirements for train-to-ground wireless communication in railway systems.For the building of the 5G-R wireless private network,the introduction of MIMO technology can effectively improve the network performance and better meet the requirements for the development of intelligent railways.In combination with the key railway scenarios and the key MIMO technologies in 5G wireless communication,this paper studies a collection of MIMO technologies suitable for different railway scenarios and provide feasible suggestions for the future deployment and application of 5G-R wireless private networks.

关 键 词：铁路无线通信 5G-R MIMO 多发多收 

分 类 号：U285.2[交通运输工程—交通信息工程及控制]