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A wide-band frequency-selective surface for enhancing the performance of microstrip antenna

Published online by Cambridge University Press:  03 March 2025

Akhilesh Kumar Tiwari
Affiliation:
Department of Electronics and Communication Engineering, National Institute of Technology Delhi, New Delhi, India
Aijaz Ahmed
Affiliation:
Electromgnetic Metrology, CSIR-National Physical Laboratory, New Delhi, India
Manisha Bharti
Affiliation:
Department of ECE, National Institute of Technology, Delhi, India
Gyanendra Sheoran*
Affiliation:
Department of Applied Sciences (Physics), National Institute of Technology Delhi, Delhi, India
*
Corresponding author: Gyanendra Sheoran; Email: [email protected]

Abstract

This work presents the design of a wide-band frequency-selective surface (FSS) with its analysis for the performance enhancement of a microstrip antenna. To demonstrate the concept, a dual-band microstrip antenna is also designed and combined with the proposed FSS to investigate its advantages and performance enhancement capabilities. The proposed FSS is designed for a frequency range of 3.5–6.5 GHz, whereas the designed antenna operates in dual frequency bands of 3.5 and 5 GHz. The combined effect of the antenna and FSS is investigated at 5 GHz for improving the gain of the antenna from 2.8 to 3.2 dBi. The outcome of the measured performance validates that the proposed surface has potential capability for enhancing the gain of an antenna for 5G, WLAN, and Wi-Fi communication.

Type
Research Paper
Copyright
© The Author(s), 2025. Published by Cambridge University Press in association with The European Microwave Association.

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