Flexibly Extensible Planar Self-Isolated Wideband MIMO Antenna for 5G Communications

A planar flexibly extensible multiple-input−multiple-output (MIMO) antenna array with a self-isolation property is proposed. The main characteristics of the proposed array are: (i) no extra isolation structure is required to improve isolation between elements; (ii) elements are arranged wi...

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Main Authors:	Qian Li, Yanyu Wei, Mingtao Tan, Xia Lei, Gangxiong Wu, Minzhi Huang, Yubin Gong
Format:	Article
Language:	English
Published:	MDPI AG 2019-09-01
Series:	Electronics
Subjects:	MIMO antenna wideband extensible self-isolation
Online Access:	https://www.mdpi.com/2079-9292/8/9/994

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spelling	doaj-9ff7c15b23d2483db6e0422e7b7d11e02020-11-25T02:42:47ZengMDPI AGElectronics2079-92922019-09-018999410.3390/electronics8090994electronics8090994Flexibly Extensible Planar Self-Isolated Wideband MIMO Antenna for 5G CommunicationsQian Li0Yanyu Wei1Mingtao Tan2Xia Lei3Gangxiong Wu4Minzhi Huang5Yubin Gong6School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, ChinaSchool of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, ChinaSchool of Computer and Electrical Engineering, Hunan University of Arts and Science, Changde 415000, ChinaSchool of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, ChinaSchool of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, ChinaSchool of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, ChinaSchool of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, ChinaA planar flexibly extensible multiple-input−multiple-output (MIMO) antenna array with a self-isolation property is proposed. The main characteristics of the proposed array are: (i) no extra isolation structure is required to improve isolation between elements; (ii) elements are arranged with each other with a spacing of 0 mm, (iii) the configuration can be flexibly extended to a large antenna array according to actual requirements. For a test example, the practical processing and testing of an eight-element array is conducted. The tested results demonstrate that the proposed design possesses wide impedance bandwidth (IBW) of 65% and very good isolation (>18 dB) across the operating bandwidth, which match well with the simulated ones. Moreover, envelope correlation coefficient (ECC) is calculated to valuate MIMO performance; an acceptable ECC (lower than 0.05) suggests that the proposed configuration has good diversity performance and can be a potential candidate for MIMO communications.https://www.mdpi.com/2079-9292/8/9/994MIMO antennawidebandextensibleself-isolation
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Qian Li Yanyu Wei Mingtao Tan Xia Lei Gangxiong Wu Minzhi Huang Yubin Gong
spellingShingle	Qian Li Yanyu Wei Mingtao Tan Xia Lei Gangxiong Wu Minzhi Huang Yubin Gong Flexibly Extensible Planar Self-Isolated Wideband MIMO Antenna for 5G Communications Electronics MIMO antenna wideband extensible self-isolation
author_facet	Qian Li Yanyu Wei Mingtao Tan Xia Lei Gangxiong Wu Minzhi Huang Yubin Gong
author_sort	Qian Li
title	Flexibly Extensible Planar Self-Isolated Wideband MIMO Antenna for 5G Communications
title_short	Flexibly Extensible Planar Self-Isolated Wideband MIMO Antenna for 5G Communications
title_full	Flexibly Extensible Planar Self-Isolated Wideband MIMO Antenna for 5G Communications
title_fullStr	Flexibly Extensible Planar Self-Isolated Wideband MIMO Antenna for 5G Communications
title_full_unstemmed	Flexibly Extensible Planar Self-Isolated Wideband MIMO Antenna for 5G Communications
title_sort	flexibly extensible planar self-isolated wideband mimo antenna for 5g communications
publisher	MDPI AG
series	Electronics
issn	2079-9292
publishDate	2019-09-01
description	A planar flexibly extensible multiple-input−multiple-output (MIMO) antenna array with a self-isolation property is proposed. The main characteristics of the proposed array are: (i) no extra isolation structure is required to improve isolation between elements; (ii) elements are arranged with each other with a spacing of 0 mm, (iii) the configuration can be flexibly extended to a large antenna array according to actual requirements. For a test example, the practical processing and testing of an eight-element array is conducted. The tested results demonstrate that the proposed design possesses wide impedance bandwidth (IBW) of 65% and very good isolation (>18 dB) across the operating bandwidth, which match well with the simulated ones. Moreover, envelope correlation coefficient (ECC) is calculated to valuate MIMO performance; an acceptable ECC (lower than 0.05) suggests that the proposed configuration has good diversity performance and can be a potential candidate for MIMO communications.
topic	MIMO antenna wideband extensible self-isolation
url	https://www.mdpi.com/2079-9292/8/9/994
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Flexibly Extensible Planar Self-Isolated Wideband MIMO Antenna for 5G Communications

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