Defected Ground Structure Based High Gain, Wideband and High Diversity Performance Quad-Element MIMO Antenna Array for 5G Millimeter-Wave Communication

被引：0

作者：

Kumar A. ^{[1
,2
]}

机构：

[1] School of Engineering and Applied Sciences, Bennett University, Uttar Pradesh, Greater Noida

[2] Department of Electronics and Communication Engineering, Government Mahila Engineering College, Rajasthan, Ajmer

来源：

Progress In Electromagnetics Research B | 2023年 / 101卷

关键词：

5G mobile communication systems - Antenna arrays - Antenna feeders - Antenna grounds - Bandwidth - Coplanar waveguides - Defects - Equivalent circuits - Microstrip antennas - Microwave antennas - Millimeter waves - MIMO systems - Slot antennas - Structure (composition);

D O I：

10.2528/PIERB23030601

中图分类号：

学科分类号：

摘要：

In this article, a planar compact grounded coplanar waveguide (GCPW)-fed 4-element multiple-input multiple-output (MIMO) antenna array with a defected ground structure (DGS) is demonstrated for the fifth generation (5G) millimeter-wave (mmWave) communication. Each element of the GCPW-fed mmWave MIMO antenna array contains a deformed pentagon-shaped radiating patch etched with a pair of identical circular slots in top surface and a DGS in bottom surface. To maintain low design complexity and compactness, a DGS is introduced and formed by embedding dual asymmetrical inverted T-shaped slots in the partial ground plane which enhance the gain and bandwidth of the antenna. The equivalent circuit model of the proposed DGS loaded GCPW-fed antenna is realized and presented. The proposed 4-element mmWave MIMO antenna array is realized by arranging the 4 identical antenna elements horizontally in a row with a distinct gap without any decoupling structure. It has the size of 1:02λX3:86λX0:021λ (at 25.66 GHz) and exhibits the measured bandwidth of 49.62% (25.30-42.0 GHz) with a peak gain of 12.02 dBi. Furthermore, the envelope correlation coefficient (ECC) < 0:0014, isolation > 24 dB between antenna elements, and channel capacity loss (CCL) < 0:29 bits/sec/Hz of the mmWave MIMO antenna array are attained over the entire mmWave frequency band. © 2023, Progress In Electromagnetics Research B. All Rights Reserved.

引用

页码：1 / 16

页数：15

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