Low-complexity channel estimation for wideband mmWave massive MIMO systems with uniform planar arrays

doi:10.19682/j.cnki.1005-8885.2025.0005

中国邮电高校学报(英文) ›› 2025, Vol. 32 ›› Issue (1): 1-10.doi: 10.19682/j.cnki.1005-8885.2025.0005

• Wireless • 下一篇

Low-complexity channel estimation for wideband mmWave massive MIMO systems with uniform planar arrays

王昊天¹,刘立洲¹, 邱玲¹ ，张磊²

1. 中国科学技术大学
2.

收稿日期:2024-03-11 修回日期:2024-09-16 出版日期:2025-02-28 发布日期:2025-02-28
通讯作者: 邱玲 E-mail:lqiu@ustc.edu.cn
基金资助:
面向“双碳”战略的超低能耗移动通信理论与方法

Low-complexity channel estimation for wideband mmWave massive MIMO systems with uniform planar arrays

School of Electronic and Information Engineering, University of Science and Technology of China, Hefei 230022, China

Received:2024-03-11 Revised:2024-09-16 Online:2025-02-28 Published:2025-02-28
Contact: Ling QIU E-mail:lqiu@ustc.edu.cn

摘要/Abstract

摘要：

Millimeter-wave ( mmWave) and massive multiple-input multiple-output ( MIMO) are broadly recognized as key enabling technologies for the fifth generation (5G) communication systems. In this paper, a low-complexity angle- delay parameters estimation ( ADPE) algorithm was put forward for wideband mmWave systems with uniform planar arrays ( UPAs). In particular, the ADPE algorithm effectively decouples the angle-delay parameters and converts the angle-delay estimation problem into three independent subproblems. Accordingly, the ability to devise an off- grid method based on discrete Fourier transform ( DFT) with a closed-form solution for angle-delay estimation and potential path number acquisition can be realized. In actuality, only a limited number of potential paths are close to the true paths influenced by noise. Consequently, the removal of noise paths to acquire the corresponding true path gains through a sparsity adaptive path gains estimation ( APGE) algorithm is postulated. Finally, the simulation results substantiate the effectiveness of ADPE and APGE algorithms.

关键词:

wideband millimeter-wave ( mmWave), massive multiple-input multiple-out ( MIMO), low-complexity, uniform planar array ( UPA), channel estimation

Abstract:

Key words:

wideband millimeter-wave ( mmWave), massive multiple-input multiple-out ( MIMO), low-complexity, uniform planar array ( UPA), channel estimation

王昊天刘立洲邱玲张磊 . Low-complexity channel estimation for wideband mmWave massive MIMO systems with uniform planar arrays [J]. The Journal of China Universities of Posts and Telecommunications, 2025, 32(1): 1-10.

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Low-complexity channel estimation for wideband mmWave massive MIMO systems with uniform planar arrays

Low-complexity channel estimation for wideband mmWave massive MIMO systems with uniform planar arrays

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