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6GHz以下频段5G大规模多输入多输出（MIMO）天线系统的设计、挑战与发展：综述

Design, Challenges and Developments for 5G Massive MIMO Antenna Systems at Sub 6-GHz Band: A Review.

作者信息

Ibrahim Sura Khalil, Singh Mandeep Jit, Al-Bawri Samir Salem, Ibrahim Husam Hamid, Islam Mohammad Tariqul, Islam Md Shabiul, Alzamil Ahmed, Abdulkawi Wazie M

机构信息

Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM, Bangi 43600, Selangor, Malaysia.

Space Science Center, Institute of Climate Change, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia.

出版信息

Nanomaterials (Basel). 2023 Jan 28;13(3):520. doi: 10.3390/nano13030520.

DOI:10.3390/nano13030520
PMID:36770483
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9921339/
Abstract

Massive multiple-input multiple-output (mMIMO) is a wireless access technique that has been studied and investigated in response to the worldwide bandwidth demand in the wireless communication sector (MIMO). Massive MIMO, which brings together antennas at the transmitter and receiver to deliver excellent spectral and energy efficiency with comparatively simple processing, is one of the main enabling technologies for the upcoming generation of networks. To actualize diverse applications of the intelligent sensing system, it is essential for the successful deployment of 5G-and beyond-networks to gain a better understanding of the massive MIMO system and address its underlying problems. The recent huge MIMO systems are highlighted in this paper's thorough analysis of the essential enabling technologies needed for sub-6 GHz 5G networks. This article covers most of the critical issues with mMIMO antenna systems including pilot realized gain, isolation, ECC, efficiency, and bandwidth. In this study, two types of massive 5G MIMO antennas are presented. These types are used depending on the applications at sub-6 GHz bands. The first type of massive MIMO antennas is designed for base station applications, whereas the most recent structures of 5G base station antennas that support massive MIMO are introduced. The second type is constructed for smartphone applications, where several compact antennas designed in literature that can support massive MIMO technology are studied and summarized. As a result, mMIMO antennas are considered as good candidates for 5G systems.

摘要

大规模多输入多输出（mMIMO）是一种无线接入技术，为响应无线通信领域的全球带宽需求而得到研究和调查（多输入多输出）。大规模MIMO通过相对简单的处理将发射机和接收机处的天线结合在一起，以提供出色的频谱和能量效率，是下一代网络的主要使能技术之一。为了实现智能传感系统的各种应用，成功部署5G及以后的网络必须更好地理解大规模MIMO系统并解决其潜在问题。本文对低于6GHz的5G网络所需的基本使能技术进行了深入分析，重点介绍了近期的大规模MIMO系统。本文涵盖了mMIMO天线系统的大多数关键问题，包括导频实现增益、隔离、ECC、效率和带宽。在本研究中，提出了两种类型的大规模5G MIMO天线。这些类型根据低于6GHz频段的应用来使用。第一种类型的大规模MIMO天线是为基站应用设计的，同时还介绍了支持大规模MIMO的最新5G基站天线结构。第二种类型是为智能手机应用构建的，研究并总结了文献中设计的几种可支持大规模MIMO技术的紧凑型天线。因此，mMIMO天线被认为是5G系统的理想候选方案。

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