Coupling reduction using a novel circular ripple-shaped decoupling mechanism in a four-element UWB MIMO antenna design

Aicha Mchbal, Naima Amar Touhami, Hanae Elftouh and Aziz Dkiouak

Journal of Electromagnetic Waves and Applications, 2020, vol. 34, issue 12, 1647-1666

Abstract: A 4*4 multiple-input multiple-output (MIMO) antenna with compact size and good isolation is presented for UWB applications. The concept of polarization diversity is here discussed and employed to satisfy contemporary wireless communication systems requirements. In the proposed antenna, the utilization of a novel circular ripple-shaped decoupling structure and a matching structure are presented to minimize mutual coupling of the inter-elements and enhance adaptation. Experimental results show a bandwidth range from 2.96 to 11.4 GHz with a good reflection coefficient which is S11

Date: 2020
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DOI: 10.1080/09205071.2020.1780160

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