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A compact ultra-wideband square and circular slot ground plane planar antenna with a modified circular patch

Published online by Cambridge University Press:  25 August 2021

Manohar Golait Open the ORCID record for Manohar Golait [Opens in a new window] ,
Manish Varun Yadav ,
Balasaheb H. Patil ,
Sudeep Baudha Open the ORCID record for Sudeep Baudha [Opens in a new window]  and
Lokesh Kumar Bramhane
Manohar Golait*
Affiliation:
Department of Electronics Engineering, School of Engineering and Technology, G H Raisoni University, Saikheda, Madhya Pradesh, India
Manish Varun Yadav
Affiliation:
Electrical & Electronics Engineering Department, BITS Pilani, K K Birla Goa Campus, Goa, India
Balasaheb H. Patil
Affiliation:
Vidya Pratishthan's Kamalnayan Bajaj of Institute of Engineering & Technology, MIDC Baramati, Pune, Maharashtra, India
Sudeep Baudha
Affiliation:
Electrical & Electronics Engineering Department, BITS Pilani, K K Birla Goa Campus, Goa, India
Lokesh Kumar Bramhane
Affiliation:
Department of Electronics and Telecommunication Engineering, G H Raisoni College of Engineering, Nagpur, Maharashtra, India
*
Author for correspondence: Manohar Golait, E-mail: manohar.golait@ghru.edu.in
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Abstract

A compact ultra-wideband (UWB) square and circular slot ground plane planar antenna with a modified circular patch for UWB communication is presented. This antenna has a low reflection coefficient and high gain in the range of 8.94 GHz, starting from 2.85 to 11.79 GHz. The proposed antenna demonstrates UWB behavior with electrically small dimensions of 0.18 λ0×0.14 λ0×0.015 λ0 (λ0 is the free-space wavelength at 2.85 GHz). The fractional bandwidth of the antenna is 122.1%, with stable radiations. The antenna's maximum gain stands at 2.79 dBi, and the antenna's peak efficiency stands at 72%, respectively. It is lightweight, compact, and easy to manufacture. Hence, it can be used for the complete range of UWB applications and covers Wi-Max/WLAN/ X-Band and Ku-Band.

Keywords

Planar antennaultra-widebandfractional bandwidthmodified circular patchcircular slot
Type
Antenna Design, Modelling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 14 , Issue 8 , October 2022 , pp. 989 - 994
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press in association with the European Microwave Association

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