A super wideband MIMO antenna with metamaterial superstrate for gain enhancement at WLAN frequency band

Ishita Aggarwal (), Sujata Pandey (), Malay Ranjan Tripathy () and Ashok Mittal ()
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Ishita Aggarwal: Amity School of Engineering and Technology
Sujata Pandey: Amity School of Engineering and Technology
Malay Ranjan Tripathy: Amity School of Engineering and Technology
Ashok Mittal: Ambedkar Institute of Advanced Communication Technology and Research

International Journal of System Assurance Engineering and Management, 2023, vol. 14, issue 2, No 7, 643-658

Abstract: Abstract A novel broadband and high gain multi-input multi-output antenna with metamaterial superstrate is reported in this paper. The operating frequency band is 3.6–18 GHz with inter element isolation of more than 15 dB. To improve the gain, an array of metamaterial unit cells is designed and used as a superstrate at a distance of λ/2 for the WLAN frequency spectrum. As a result, the peak gain is increased by 1.2 dB at 5.2 GHz. The antenna is 52 × 52 × 1.6 mm3 in size. The simulated and measured outcomes are very similar.

Keywords: Metamaterial; Isolation; SWB antenna; Orthogonal; MIMO; CPW feed; Gain enhancement; Superstrate; Band rejection (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s13198-022-01675-5

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