移动通信2025，Vol.49Issue(9)：31-38,8.DOI:10.3969/j.issn.1006-1010.20250723-0001
大规模MIMO使能高可靠低时延通信:关键技术分析与发展
Massive MIMO-Enabled High-Reliability Low-Latency Communication:Key Technology Analysis and Development
摘要
Abstract
As a core technology of sixth-generation mobile communications,massive multiple-input multiple-output(MIMO)shows significant advantages in supporting high-reliability low-latency communication(HRLLC)due to its large spatial degrees of freedom and strong beamforming capability.This paper systematically elaborates the enabling mechanisms of massive MIMO for HRLLC key performance indicators,including spatial diversity,spatial multiplexing,beamforming,and space-time exchange.Based on this foundation,several technical solutions for realizing HRLLC with massive MIMO are explored.Two-dimensional space-time channel coding leverages spatial degrees of freedom to replace temporal redundancy,achieving joint optimization of reliability improvement and latency reduction.Cell-free massive MIMO,through distributed deployment and a large number of antennas,significantly enhances channel reliability.The integration of massive MIMO with multi-connectivity architecture further shortens transmission latency or enhances link reliability through multipath transmission.Finally,based on current research progress of massive MIMO in supporting HRLLC,future directions are discussed,including deep integration with cell-free massive MIMO,space-time two-dimensional channel coding,and multi-connectivity architectures.关键词
大规模MIMO/HRLLC/空时对换/多连接Key words
massive MIMO/HRLLC/space-time exchange/multi-connectivity分类
信息技术与安全科学引用本文复制引用
赵晗珂,罗海瑞,刘博,朱鹏程..大规模MIMO使能高可靠低时延通信:关键技术分析与发展[J].移动通信,2025,49(9):31-38,8.基金项目
国家自然科学基金"毫米波分布式大规模MIMO通信关键技术研究"(62171126) （62171126）
