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Design of low profile high gain antenna using loop-based wideband artificial magnetic conductor for UWB applications

Published online by Cambridge University Press:  28 March 2022

Ravi Prakash Dwivedi Open the ORCID record for Ravi Prakash Dwivedi [Opens in a new window] ,
Usha Kiran Kommuri ,
Sudipta Das Open the ORCID record for Sudipta Das [Opens in a new window] ,
Soufian Lakrit Open the ORCID record for Soufian Lakrit [Opens in a new window]  and
Vishal Goyal
Ravi Prakash Dwivedi
Affiliation:
SENSE, Vellore Institute of Technology Chennai, Chennai, Tamil Nadu, India
Usha Kiran Kommuri
Affiliation:
SENSE, Vellore Institute of Technology Chennai, Chennai, Tamil Nadu, India
Sudipta Das*
Affiliation:
Electronics and Communication Engineering, IMPS College of Engineering & Technology, Malda, West Bengal, India
Soufian Lakrit
Affiliation:
Applied Mathematics and Information Systems Laboratory, EST of Nador, Mohammed First University, Oujda, Morocco
Vishal Goyal
Affiliation:
Electronics and Communication, GLA University Mathura, Mathura, Uttar Pradesh, India
*
Author for correspondence: Sudipta Das, E-mail: sudipta.das1985@gmail.com
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Abstract

In this work, a low profile ultra-wideband (UWB) antenna is designed and investigated using a novel loop-based wideband artificial magnetic conductor (WB-AMC) for gain enhancement. Initially, a compact loop antenna is designed using stub loading and further optimized for the UWB range by applying curve ground methodology. The average gain of the proposed antenna without WB-AMC is 2.7 dBi. To enhance the gain of the entire UWB range, loop-based WB-AMC in [2 × 2] forms is integrated. WB-AMC is used as a ground plane beneath the antenna. To validate the performance, the UWB antenna and WB-AMC are fabricated and tested. The measured results confirm the entire UWB range. Proposed antenna provides a peak gain of 9.4 dBi and an average gain of 5.8 dBi. Vertical profile reduction of 50% is achieved compared to perfect electric conductor ground. The proposed UWB antenna is a potential candidate for UWB wireless applications due to its attractive features such as low profile, wide bandwidth coverage, omnidirectional pattern, constant high gain, and group delay.

Keywords

High gainlow profilestub loadingUWBwideband artificial magnetic conductor (WB-AMC)
Type
Antenna Design, Modeling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 15 , Issue 3 , April 2023 , pp. 502 - 512
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Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press in association with the European Microwave Association

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