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A novel and simple expression to accurately calculate the resonant frequency of annular-ring microstrip antennas

Published online by Cambridge University Press:  07 July 2014

Abdurrahim Toktas Open the ORCID record for Abdurrahim Toktas [Opens in a new window] ,
Mustafa B. Bicer ,
Ahmet Kayabasi ,
Deniz Ustun ,
Ali Akdagli  and
Kasim Kurt
Abdurrahim Toktas
Affiliation:
Department of Information Technologies, Mersin University, Ciftlikkoy, Yenisehir 33343, Mersin, Turkey
Mustafa B. Bicer
Affiliation:
Department of Electrical – Electronics Engineering, Faculty of Engineering, Mersin University, Ciftlikkoy, Yenisehir 33343, Mersin, Turkey. Phone: +90 324 361 00 01-7056
Ahmet Kayabasi
Affiliation:
Department of Electronics and Automation, Silifke – Tasucu Vocational School of Selcuk University, Silifke 33900, Mersin, Turkey
Deniz Ustun
Affiliation:
Department of Software Engineering, Faculty of Tarsus Technology, Mersin University, Tarsus 33400, Mersin, Turkey
Ali Akdagli*
Affiliation:
Department of Electrical – Electronics Engineering, Faculty of Engineering, Mersin University, Ciftlikkoy, Yenisehir 33343, Mersin, Turkey. Phone: +90 324 361 00 01-7056
Kasim Kurt
Affiliation:
Department of Physics, Science and Letter Faculty, Mersin University, Ciflikkoy, Yenisehir 33343, Mersin, Turkey
*
Corresponding author: A. Akdagli Email: aliakdagli@gmail.com
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Abstract

This paper proposes a novel and simple expression for effective radius of annular-ring microstrip antennas (ARMAs) obtained using a recently emerged optimization algorithm of artificial bee colony (ABC) in calculating the resonant frequency at dominant mode (TM11). A total of 80 ARMAs having different parameters related to antenna dimensions and dielectric constants was simulated in terms of the resonant frequency with the help of an electromagnetic simulation software called IE3D™ based on method of moment. The effective radius expression was constructed and the unknown coefficients belonging to the expression were then optimally determined with the use of ABC algorithm. The proposed expression was verified through comparisons with the methods of resonant frequency calculation reported elsewhere. Also, it was further validated on an ARMA fabricated in this study. The superiority of the presented approach over the other methods proposed in the literature is that it does not need any sophisticated computations while achieving the most accurate results in the resonant frequency calculation of ARMAs.

Keywords

Antenna designModeling and measurementsModelingSimulation and characterizations of devices and circuitsAnnular-ring microstrip antennaResonant frequencyArtificial bee colony algorithm
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 7 , Issue 6 , December 2015 , pp. 727 - 733
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2014 

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References

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