Metamaterial Based Design of Compact UWB/MIMO Monopoles Antenna with Characteristic Mode Analysis

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dc.contributor.authorJabire, Adamu Halilu
dc.contributor.authorAdnan, Ghaffar
dc.contributor.authorXue, Jun Li
dc.contributor.authorAbdu, Anas
dc.contributor.authorSaminu, Sani
dc.contributor.authorAlibakhshikenari, Mohammad
dc.contributor.authorFalcone, Francisco
dc.contributor.authorLimiti, Ernesto
dc.date.accessioned2022-01-10T11:19:17Z
dc.date.available2022-01-10T11:19:17Z
dc.date.issued2021-02-08
dc.description.abstractIn this article, a novel metamaterial inspired UWB/multiple-input-multiple-output (MIMO) antenna is presented. The proposed antenna consists of a circular metallic part which formed the patch and a partial ground plane. Metamaterial structure is loaded at the top side of the patches for bandwidth improvement and mutual coupling reduction. The proposed antenna provides UWB mode of operation from 2.6–12 GHz. The characteristic mode theory is applied to examine each physical mode of the antenna aperture and access its many physical parameters without exciting the antenna. Mode 2 was the dominant mode among the three modes used. Considering the almost inevitable presence of mutual coupling effects within compact multiport antennas, we developed an additional decoupling technique in the form of perturbed stubs, which leads to a mutual coupling reduction of less than 20 dB. Finally, different performance parameters of the system, such as envelope correlation coefficient (ECC), channel capacity loss (CCL), diversity gain, total active reflection coefficient (TARC), mean effective gain (MEG), surface current, and radiation pattern, are presented. A prototype antenna is fabricated and measured for validation.en_US
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/7302
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.subjectmetamaterialsen_US
dc.subjectmutual couplingen_US
dc.subjectmultiple input multiple outputen_US
dc.subjectcharacteristic modesen_US
dc.titleMetamaterial Based Design of Compact UWB/MIMO Monopoles Antenna with Characteristic Mode Analysisen_US
dc.typeArticleen_US

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