Tachism: Tri-Port Antenna with Triple Notching Characteristic and High Isolation System for MIMO Application

Shahid Basir, Tahir Khurshaid, Khurram Saleem Alimgeer, Madiha Akbar and Ali Nauman ()
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Shahid Basir: School of Engineering & Applied Sciences, ISRA University, Islamabad 44000, Pakistan
Tahir Khurshaid: Department of Electrical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
Khurram Saleem Alimgeer: Department of Electrical and Computer Engineering, Islamabad Campus, COMSATS University Islamabad, Islamabad 45550, Pakistan
Madiha Akbar: School of Engineering & Applied Sciences, ISRA University, Islamabad 44000, Pakistan
Ali Nauman: Department of Information and Communication Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea

Mathematics, 2022, vol. 10, issue 23, 1-14

Abstract: A novel ultra-wideband (UWB) KAYI-shaped and common KITE-shaped ground plane tri-port antenna is proposed. The proposed research work has a small size of (30 × 30 × 1.6 mm 3 ). The MIMO antenna elements are placed in a KAYI-shaped (Y-shaped) with a symmetric phase shift of 120 ∘ between the nearby MIMO antennas element improving the isolation. The antenna’s gain is more than 5 dBi for the entire bands of WiMax, WLAN, and X-band satellite communication. The suggested work includes notches at 3.2 GHz, 5.2 GHz, and 8.9 GHz, respectively. The notching characteristics are made possible by L-shaped slits for the WiMax band, the inverted U-shaped slot for WLAN, while the third is created by the interaction between the L-shaped and U-shaped notching elements. Results were measured after making the prototype antenna on the FR-4 substrate. The proposed antenna has good impedance matching for 2–20 GHz and three notching characteristics with high isolation among the MIMO elements. Mean effective gain (MEG), envelope correlation coefficient (ECC), and total active reflection coefficient (TARC) are the diversity metrics of MIMO antennas which are in good comparison to the proposed antenna. The antenna is a good candidate for deployment in wireless communication and MIMO applications.

Keywords: MIMO; UWB; high isolation; triple notches; compact size; mutual interaction; KAYI shaped; Tachism (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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