RIS赋能的毫米波大规模MIMO系统研究综述  

A Review of RIS-Aided Millimeter-Wave Massive MIMO Systems

作　　者：陈艺灵 李婉然 金思年 张彩 李光辉 CHEN Yiling;LI Wanran;JIN Sinian;ZHANG Cai;LI Guanghui(School of Intelligence and Electronic Engineering,Dalian Neusoft University of Information,Dalian 116023,China;College of Information Science and Technology,Dalian Maritime University,Dalian 116026,China)

机构地区：[1]大连东软信息学院智能与电子工程学院,辽宁大连116023 [2]大连海事大学信息科学技术学院,辽宁大连116026

出　　处：《移动通信》2024年第12期15-20,共6页Mobile Communications

基　　金：国家自然科学基金“智能超表面赋能的无蜂窝网络协同传输理论与方法研究”(62301108);辽宁省教育厅基本科研项目“RIS赋能的分布式大规模MIMO系统性能及传输技术研究”(JYTMS20230176)。

摘　　要：RIS作为6G潜在关键技术,受到了学术界的广泛关注。RIS能够以低成本智能重构无线信道环境,从而有效缓解毫米波大规模MIMO系统所面临的路径损耗大、成本高、功耗强等问题。因此,将RIS与毫米波大规模MIMO系统相结合,有望实现高速率与低功耗通信的目标。结合国内外的最新发展动态,讨论了RIS赋能的毫米波大规模MIMO系统的基本概念,分析了该系统在联合波束赋形和RIS部署策略等领域所面临的关键问题,并展望了未来的研究热点。Reconfigurable intelligent surface(RIS),as a potential key technology for 6G,have garnered significant attention in the academic community.RIS can intelligently reconstruct the wireless channel environment in a low-cost manner,effectively mitigating challenges such as high path loss,high cost,and high power consumption faced by millimeterwave massive MIMO systems.Therefore,integrating RIS with millimeter-wave massive MIMO systems is expected to achieve high data rates and low power consumption in communications.Considering the latest developments both domestically and internationally,this paper discusses the fundamental concepts of RIS-aided millimeterwave massive MIMO systems,analyzes the challenges in key areas such as joint beamforming and RIS deployment strategies,and explores future research directions.

关 键 词：毫米波大规模MIMO RIS 联合波束赋形 RIS部署策略 

分 类 号：TN929.5[电子电信—通信与信息系统]