轨道角动量通信技术的研究  

Research on orbital angular momentum communication technology

作　　者：郑凤[1,2] 陈艺戬 冀思伟[1,2] 段高明 郁光辉 ZHENG Feng;CHEN Yijian;JI Siwei;DUAN Gaoming;YU Guanghui(School of Information and Communication Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,China;Beijing Key Laboratory of Network System Architecture and Convergence,Beijing 100876,China;ZTE Corporation,Shenzhen 518055,China;State Key Laboratory of Mobile Network and Mobile Multimedia Technology,Shenzhen 518055,China)

机构地区：[1]北京邮电大学信息与通信工程学院,北京100876 [2]网络体系构建与融合北京市重点实验室,北京100876 [3]中兴通讯股份有限公司,广东深圳518055 [4]移动网络和移动多媒体技术国家重点实验室,广东深圳518055

出　　处：《通信学报》2020年第5期150-158,共9页Journal on Communications

基　　金：国家自然科学基金资助项目(No.61801047)。

摘　　要：鉴于轨道角动量(OAM)不同模式之间良好的正交性,该技术在无线通信中的应用是近年来新兴的、具有较大通信容量提升潜力的热点技术方向之一。基于OAM的无线通信技术能有效提升频谱利用率,但同时面临着诸多挑战。首先介绍了OAM技术在无线通信领域的研究现状与进展,结合OAM的基本原理,对比分析了OAM与MIMO技术之间的关系,并对“OAM是否提供一个新的维度?”的争议给出结论。然后总结了OAM的产生与接收方法,并概述其相应的关键技术与应用领域。最后深入分析了该技术在实际应用中的挑战,进而提出其未来的发展趋势和后续的研究方向。期望对该领域的研究起到参考和帮助作用。As the good orthogonality between the different modes of orbital angular momentum(OAM),the application of OAM technology in wireless communication has gained increasing popularity in recent years with great potential for capacity improvement.OAM-based wireless communication technology can effectively improve spectrum utilization,but also brings some challenges.Firstly,the research status and progress of OAM technology in the field of wireless communication were introduced and the relationship between OAM and MIMO technology was compared and analyzed combined with the basic principle of OAM.Moreover,the dispute“Does OAM provides a new dimension?”was concluded.Then,the generation and reception methods of OAM were summarized.The key techniques and application fields were overviewed.Finally,the challenges of the technology in practical application were analyzed and the future development trends and follow-up research directions were point out,which would provide a reference and help for the research in this field.

关 键 词：轨道角动量 模态正交 无线通信 多输入多输出 

分 类 号：TN929.5[电子电信—通信与信息系统]