Wideband Iris-Fed Patch Antenna Under Operation of Dual-Resonance for X-band Applications: MOM-GEC Approach

Authors

  • M. Abdi Sys’Com Laboratory National Engineering School of Tunis, Tunis El Manar University, BP 37, le Belvédère, Tunisia
  • T. Aguili Sys’Com Laboratory National Engineering School of Tunis, Tunis El Manar University, BP 37, le Belvédère, Tunisia

DOI:

https://doi.org/10.13052/2023.ACES.J.380208

Keywords:

bandwidth, dual-resonance, iris-fed patch antenna, MOM-GEC analysis, wideband, X-band

Abstract

In this paper, a microstrip patch antenna fed by a waveguide using an end-wall iris through ground plane has been modelled. The iris feed technique was proposed to overcome the narrow bandwidth problem of microstrip patch antenna. The iris is sized so that it is resonant and subsequently the antenna operates under the fusion of two modes relating to the iris and the patch, resulting in a wideband radiation characteristic with dual resonance. Measurement demonstrates the single bandwidth dual resonance type and the radiation bandwidth of (8 GHz-10.6 GHz). In order to show the impact of the iris feed technique on microstrip patch antenna’s bandwidth, a comparison with some state-of-the-art works proposing various bandwidth enhancement techniques in the X-band is made. The proposed prototype, with a size of 1.76λ0 X 1.65λ0 X 1.29λ0 , is more compact than several designs. It has a fractional bandwidth of 27.9%, thus it presents the prototype with the widest bandwidth with the simplest design fabrication. With regard to the electromagnetic modelling, this work is oriented towards the use of the hybrid MOM-GEC method in order to be able to perform a rigorous electromagnetic. It has been found that the MOM-GEC model is more efficient in terms of memory requirements and approximately four times faster than HFSS simulator software.

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Author Biographies

M. Abdi, Sys’Com Laboratory National Engineering School of Tunis, Tunis El Manar University, BP 37, le Belvédère, Tunisia

Mariem Abdi is an electronical engineer and obtained a master’s degree in Communication Systems from the National School of Engineering of Tunis (ENIT). She is currently a PhD student in Telecommunications at the National Engineering School of Tunis (ENIT). Her research interests are in full-wave numerical methods in electromagnetics and high frequency electronics.

T. Aguili, Sys’Com Laboratory National Engineering School of Tunis, Tunis El Manar University, BP 37, le Belvédère, Tunisia

Taoufik Aguili is currently Professor at the National Engineering School of Tunis (ENIT), Tunis El Manar University, and the Director of the Communications Systems Laboratory (Sys’Com). He is also responsible for research and master’s degree in the Communications and Information’s Technology Department. His research interests include modeling of microwave systems and nano-devices, full-wave numerical methods in electromagnetics, electromagnetic wave phenomena in multi-layered media, integrated transmission lines, and leaky wave phenomena, waveguides, and antennas.

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Published

2023-07-06

How to Cite

[1]
M. . Abdi and T. . Aguili, “Wideband Iris-Fed Patch Antenna Under Operation of Dual-Resonance for X-band Applications: MOM-GEC Approach”, ACES Journal, vol. 38, no. 2, pp. 137–147, Jul. 2023.

Issue

2023: Vol 38 Iss 2

Section

Articles