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Graphene-based wide band semi-flexible array antenna with parasitic patch for smart wireless devices

Published online by Cambridge University Press:  12 March 2021

Ronak Vashi*
Affiliation:
Department of Electronics and Communication Engineering (CSPIT), Charotar University of Science and Technology, Changa, Gujarat388450, India
Trushit Upadhyaya
Affiliation:
Department of Electronics and Communication Engineering (CSPIT), Charotar University of Science and Technology, Changa, Gujarat388450, India
Arpan Desai
Affiliation:
Department of Electronics and Communication Engineering (CSPIT), Charotar University of Science and Technology, Changa, Gujarat388450, India
*
Author for correspondence: Ronak Vashi, E-mail: ronak.vashi@bvmengineering.ac.in

Abstract

In this paper, a semi-flexible 2 × 1 array antenna is proposed with epoxy glass fiber and graphene as patch and ground, respectively. Microstrip patch antenna with a center parasitic patch of half-wavelength and slot in the radiating patch have been incorporated for the bandwidth enhancement in order of 79.56% (2.21–5.13 GHz). The antenna has an overall size of 0.30λ × 0.24λ at a lower frequency of operation (2.45 GHz). The incorporation of slotted Graphene in radiating element leads to a wideband regime with satisfactory gain values of 2.73 and 3.744 dBi at 2.40 and 4.0 GHz, respectively. Antenna radiation efficiency in the range of 78% with linear polarization makes the antenna appropriate for WLAN band and smart wireless devices application.

Type
Antenna Design, Modelling and Measurements
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press in association with the European Microwave Association

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