Performance enhancement of a circularly polarized printed monopole for wireless system application

Biplab Bag; Sushanta Biswas; Sushanta Sarkar; Partha Pratim Sarkar

doi:10.1515/freq-2021-0230

Article

Performance enhancement of a circularly polarized printed monopole for wireless system application

Biplab Bag , Sushanta Biswas , Sushanta Sarkar and Partha Pratim Sarkar

Published/Copyright: March 7, 2022

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From the journal Frequenz Volume 76 Issue 9-10

Abstract

The most important characterizing parameters which determine the antenna performance are axial ratio bandwidth, impedance bandwidth and gain of wireless systems. The improvement of these parameters are presented in the proposed antenna. Basically, the proposed design consists of an inverted L-shaped microstrip feed line and modified ground plane. The size of the antenna is 0.4 × 0.28 × 0.0128 λ₀ (where λ₀ be the free space wavelength at f_r of 2.4 GHz). The designed antenna has been fabricated and the measured results of fabricated antenna are compared with the simulated results. It is found that the results are very good in agreement. Novelty of the research work is the improvement of axial ratio (less than 3 dB) bandwidth. As a result, the antenna is circularly polarized for a good amount of bandwidth which is desired in the modern communication system. Circularly polarized antenna is able to transmit and receive both vertically and horizontally polarized electromagnetic waves.

Keywords: axial ratio; flat gain; impedance bandwidth; modified ground plane; monopole

Corresponding author: Biplab Bag, Department of Electrical Engineering, Murshidabad College of Engineering and Technology, Berhampore, West Bengal, India, E-mail: bbagateie@gmail.com

Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2021-10-05

Accepted: 2022-02-07

Published Online: 2022-03-07

Published in Print: 2022-10-26

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Articles in the same Issue

https://doi.org/10.1515/freq-2021-0230

Keywords for this article

axial ratio; flat gain; impedance bandwidth; modified ground plane; monopole