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Design of Miniature UWB-Based Antenna by Employing a Tri-Sectional SIR Feeder

Ehab Dh. Hussein1,*, Yaqeen S. Mezaal2, Oguz Bayat1

1 Electrical and Computer Engineering Department, Altinbas University, Istanbul, Turkey
2 Medical Instrumentation Engineering Department, Al-Esraa University College, Baghdad, Iraq

* Corresponding Author: Ehab Dh. Hussein. Email: email

(This article belongs to this Special Issue: Emergent Topics in Intelligent Computing and Communication Engineering)

Computer Systems Science and Engineering 2022, 41(3), 1157-1172. https://doi.org/10.32604/csse.2022.021205

Abstract

A novel ultra-wideband (UWB)-based microstrip antenna is presented in this work by using a slotted patch resonator, a tri-sectional stepped impedance resonator (SIR) feeder, as well as a reduced ground plane. The whole structure was realized on an FR4 substrate. The impact of incorporating several cases of ground planes on the input reflection has been thoroughly investigated under the same tri-sectional SIR feeder and by employing a slotted patch radiator. Since the complete ground plane presents an inadequate frequency response, by reducing the ground plane, the induced UWB responses are apparent while the antenna exhibits higher impedance bandwidth. The impact of both the uniform impedance resonator (UIR) as well as the SIR feeder on the input reflection has also been examined by following the same adopted reduced ground technique and using a slotted patch radiator. As a result, the UIR feeder exhibits a dual-band frequency response, when a wide notched band is incorporated in the range from 4.5–6.5 GHz. The dual-band response of the bi-sectional SIR feeder is still apparent with a narrower notched band in the frequency range from 4–5 GHz. As far as the tri-sectional SIR feeder is concerned, the UWB response is discernible without recording the existence of a notched band. Additionally, the antenna displays a higher impedance bandwidth compared with the previously reported steps. Our proposed antenna configuration is designed with highly compact dimensions and an overall size of 14 × 27.2 mm2. Moreover, it operates under the impedance bandwidth of 2.86–10.31 GHz that can be leveraged for numerous applications where wireless systems are used. Our approach presents several advantages compared with the other reported UWB-based antennas in the literature, whereas the measured S11 pattern is in good agreement with the simulated one.

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Cite This Article

E. Dh. Hussein, Y. S. Mezaal and O. Bayat, "Design of miniature uwb-based antenna by employing a tri-sectional sir feeder," Computer Systems Science and Engineering, vol. 41, no.3, pp. 1157–1172, 2022.



cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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