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A New Four Ports Multiple Input Multiple Output Antenna with High Isolation for 5G Mobile Application

Lecture Notes in Networks and Systems, ISSN: 2367-3389, Vol: 669 LNNS, Page: 264-271
2023
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Conference Paper Description

This paper introduces a new 4-port multiple-input multiple-output (MIMO) antenna for future 5G applications. The proposed MIMO antenna is formed of 4 identical hexagonal patches, and each patch is hexagonally slotted to achieve the desired results. The ground plane of the antenna is made up of 4 similar rectangles, each with a size of 15 × 22 mm. The substrate of the antenna is made using FR4-epoxy which has a dielectric constant of 4.4 and a thickness of 1.08 mm. The proposed MIMO antenna has dimensions of 50× 55× 1.08 mm. The suggested antenna has been simulated and analyzed using the high-frequency structure simulator (HFSS). The suggested antenna resonates from 23.4 to 27.6 GHz with a wide bandwidth of 4.14 GHz and a return loss of about −43.50 dB. Furthermore, the antenna offers a high isolation which is largely sufficient for 5G future applications. The suggested MIMO antenna covers the European band (24.25–27.50 GHz) that has been widely used since 2020. All the captured results in terms of return loss, isolation, and other parameters and also the compact size of the antenna prove that the proposed MIMO antenna can be of a great use for 5G applications.

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