低复杂度超大规模MIMO无线传输设计研究

doi:10.11959/j.issn.1000-0801.2023170

电信科学 ›› 2023, Vol. 39 ›› Issue (9): 87-96.doi: 10.11959/j.issn.1000-0801.2023170

• 研究与开发 • 上一篇

低复杂度超大规模MIMO无线传输设计研究

孙蕊蕊¹, 韩瑜¹, 金石¹, 王珏²

¹ 东南大学移动通信国家重点实验室，江苏南京 210096
² 南通大学信息科学技术学院，江苏南通 226019

修回日期:2023-08-30 出版日期:2023-08-01 发布日期:2023-08-01
作者简介:孙蕊蕊（2002- ），女，东南大学移动通信国家重点实验室博士生，主要研究方向为超大规模MIMO无线传输理论与关键技术
韩瑜（1991- ），女，博士，东南大学移动通信国家重点实验室副研究员，主要研究方向为面向 5G/6G 的物理层传输，包括大规模MIMO、智能超表面无线传输理论与关键技术
金石（1974- ），男，博士，东南大学移动通信国家重点实验室教授、博士生导师，主要研究方向为5G/B5G移动通信理论与关键技术研究、物联网理论与关键技术研究和机器学习与大数据处理在移动通信中的应用等
王珏（1985- ），男，博士，南通大学信息科学技术学院副教授，主要研究方向为无线通信物理层，具体包括MIMO系统及超大规模MIMO系统、智能反射面、无人机辅助通信及机器学习技术在通信中的应用
基金资助:
国家自然科学基金资助项目(62171240);国家自然科学基金资助项目(62301148)

Research on low-complexity XL-MIMO wireless transmission design

Ruirui SUN¹, Yu HAN¹, Shi JIN¹, Jue WANG²

¹ National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China
² School of Information Science and Technology, Nantong University, Nantong 226019, China

Revised:2023-08-30 Online:2023-08-01 Published:2023-08-01
Supported by:
The National Natural Science Foundation of China(62171240);The National Natural Science Foundation of China(62301148)

摘要/Abstract

摘要：

超大规模MIMO（extra-large scale MIMO，XL-MIMO）技术有望满足6G对高频谱效率的要求，同时也面临计算复杂度提升带来的挑战。研究发现，XL-MIMO信道独特的空间非平稳特性为低复杂度无线传输设计带来新的可能。首先从近场传播效应出发，梳理 XL-MIMO 信道特性及信道建模研究成果，深入探讨空间非平稳性出现的原因；由此引出XL-MIMO中阵列可见区域（visibility region，VR）的概念，并对结合VR信息的低复杂度无线传输设计展开讨论；接着，从子阵列划分与分布式信号处理的角度，介绍 XL-MIMO 低复杂度系统架构的实现，并总结相应的设计方案；最后，对未来研究方向进行展望。

关键词: 超大规模MIMO, 空间非平稳性, 近场效应, 可见区域, 6G

Abstract:

Extra-large scale MIMO (XL-MIMO) can meet the requirement of high spectral efficiency in 6G communication, but also faces the challenge caused by the increase in computational complexity.It is found that the unique spatial non-stationary characteristics of XL-MIMO channel brings new possibilities for low-complexity wireless transmission design.Firstly, starting from the near-field propagation effect, the research results of XL-MIMO channel characteristics analysis and channel modeling were combed, and the causes of spatial non-stationarity were deeply discussed.Furthermore, the concept of array visibility region (VR) in XL-MIMO was introduced, and the low-complexity wireless transmission design combined with VR information was discussed.Then, from the perspective of sub-array partition and distributed signal processing, the implementation of XL-MIMO low-complexity system architecture was introduced, and the corresponding design schemes were summarized.Finally, the future research direction was prospected.

Key words: XL-MIMO, spatial non-stationarity characteristics, near field effect, visibility region, 6G, The National Natural Science Foundation of China

中图分类号:

TN929.5

孙蕊蕊, 韩瑜, 金石, 王珏. 低复杂度超大规模MIMO无线传输设计研究[J]. 电信科学, 2023, 39(9): 87-96.

Ruirui SUN, Yu HAN, Shi JIN, Jue WANG. Research on low-complexity XL-MIMO wireless transmission design[J]. Telecommunications Science, 2023, 39(9): 87-96.

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低复杂度超大规模MIMO无线传输设计研究

Research on low-complexity XL-MIMO wireless transmission design

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