An empirical relationship for multiband compact geometrically deformed parasitic coupled MPA

Ghosh, Swarnadipto, Saha, Dipankar, Chakraborty, Ayona, Chakraborty, Samik, Ekpo, Sunday Cookey ORCID: https://orcid.org/0000-0001-9219-3759 and Elias, Fanuel (2023) An empirical relationship for multiband compact geometrically deformed parasitic coupled MPA. In: 2023 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC), 05 November 2023 - 09 November 2023, Castelldefels-Barcelona, Spain. (In Press)

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Abstract

This paper proposes a compact wideband and multiband geometrically deformed parasitically coupled microstrip patch antenna (MPA). A consecutive stage analysis is presented to demonstrate an improvement of the return loss bandwidth (RLBW) of four stages. The proposed MPA exhibits a tri-band operation over the 5.82 GHz, 8.10 GHz, 9.23 GHz, and 12.49 GHz resonant frequencies corresponding to 8.6%, 24.6%, 21.7% and 6.8% RLBW respectively. There is no significant distortion of the radiation pattern at the operating frequencies. A customized empirical relationship has been derived to estimate the S11(dB) based on the resonance frequency and the effective electrical length.