Research on low-complexity XL-MIMO wireless transmission design

Ruirui SUN; Yu HAN; Shi JIN; Jue WANG

doi:10.11959/j.issn.1000-0801.2023170

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Research on low-complexity XL-MIMO wireless transmission design

Research and Development | 更新时间：2024-06-05

- Research on low-complexity XL-MIMO wireless transmission design
- Telecommunications Science Vol. 39, Issue 9, Pages: 87-96(2023)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2023170
  CLC： TN929.5
- Published Online：2023-08，
  
  Published：25 August 2023
- 稿件说明：
移动端阅览
Ruirui SUN, Yu HAN, Shi JIN, et al. Research on low-complexity XL-MIMO wireless transmission design[J]. Telecommunications science, 2023, 39(9): 87-96.
DOI：

Ruirui SUN, Yu HAN, Shi JIN, et al. Research on low-complexity XL-MIMO wireless transmission design[J]. Telecommunications science, 2023, 39(9): 87-96. DOI： 10.11959/j.issn.1000-0801.2023170.

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。

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.

关键词

Keywords

references

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