IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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Wideband MIMO antenna with enhanced isolation for wireless communication application
Xinyu LiuMuhammad AminJiajun Liang
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2018 Volume 15 Issue 22 Pages 20180948

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Abstract

A wideband multiple input multiple output (MIMO) antenna with enhanced isolation for wireless communication application is presented in this article. The proposed antenna operates in a wide frequency range of 1.92–6.1 GHz, and is suitable for WiMAX, IEEE 802.11a/b/n/g, UMTS, LTE-2300 and LTE-2500 wireless communications. The MIMO antenna structure of the proposed antenna consists of two identical radiators with a small size of 35 × 36 mm2 and a novel H-shaped parasitic element, which is connected to the ground plane of the proposed antenna. The H-shaped parasitic element helps in enhancing antenna isolation performance between the two antenna ports. The overall performance of the proposed antenna in terms of S-parameters, radiation pattern, gain, and envelope correlation coefficient is investigated and verified through the measurements. The measured results show that the proposed antenna has attractive properties such as compact size, the low mutual coupling of less than −15.4 dB, and a low envelope correlation coefficient of less than 0.14 across the whole operating frequency band. These attractive properties make the proposed antenna a good candidate for wireless communication application.

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© 2018 by The Institute of Electronics, Information and Communication Engineers
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