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      Development of 60-GHz millimeter wave, electromagnetic bandgap ground planes for multiple-input multiple-output antenna applications

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          Abstract

          For 60-GHz band communications, both the mutual coupling and transmission distance restrict the performance of a multiple-input multiple-output (MIMO) antenna array. Several studies presented different types of meta-materials and electromagnetic bandgap (EBG) structures to improve the performance of a MIMO antenna array at the 60-GHz band. In this paper, we presented the four-element MIMO patch antenna with different types of EBG structures for the millimeter wave (mmW)communications at the 60-GHz unlicensed industrial, scientific, and medical band. The single element of the MIMO antenna array covered the mmW band from 57 GHz to 63 GHz having the dimensions of 1.3 mm × 1.8 mm × 0.1 mm. We developed a set of square-shaped, cross-shaped, and complex-slotted EBG ground planes between the antenna elements for the performance improvement. All the three EBG ground planes provided significant coupling reduction between the mmW MIMO antenna elements. The proposed EBG structures exhibited wide bandgap characteristics and improved scattering parameters in the desired frequency band. In contrast with the cross- and complex-slotted, the square-shaped EBG structure substantially improved the overall gain of MIMO antenna array. In addition, the square-shaped EBG reformed the maximum beam and enhanced the far-field gain pattern in the desired direction. Experimental results conducted with the fabricated prototypes showed a good agreement with the simulation results and adequately covered the 60-GHz band. The low-profile and salient features of the proposed MIMO antenna array shows the potential for on-chip applications at 60 GHz.

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          Most cited references26

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          High-impedance electromagnetic surfaces with a forbidden frequency band

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            A Decoupling Technique for Increasing the Port Isolation Between Two Strongly Coupled Antennas

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              Compact and Low-Profile Textile EBG-Based Antenna for Wearable Medical Applications

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                Author and article information

                Contributors
                hsyoo@hanyang.ac.kr
                Journal
                Sci Rep
                Sci Rep
                Scientific Reports
                Nature Publishing Group UK (London )
                2045-2322
                22 May 2020
                22 May 2020
                2020
                : 10
                : 8541
                Affiliations
                [1 ]ISNI 0000 0001 1364 9317, GRID grid.49606.3d, Department of Biomedical Engineering, , Hanyang University, ; Seoul, 04763 Republic of Korea
                [2 ]ISNI 0000 0001 2097 4943, GRID grid.213917.f, George W. Woodruff School of Mechanical Engineering and Wallace H. Coulter Department of BiomedicalEngineering, Georgia Institute of Technology, ; Atlanta, GA 30332 USA
                [3 ]ISNI 0000 0001 0661 1556, GRID grid.258803.4, Department of Electrical Engineering, , Kyungpook National University, ; Daegu, 41566 Republic of Korea
                Article
                65622
                10.1038/s41598-020-65622-9
                7244720
                32444643
                8b191768-8c30-4705-b7cd-c88db0186937
                © The Author(s) 2020

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

                History
                : 30 July 2019
                : 6 April 2020
                Categories
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                © The Author(s) 2020

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                electrical and electronic engineering,metamaterials
                Uncategorized
                electrical and electronic engineering, metamaterials

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