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Low-profile U-shaped DRA for ultra-wideband applications

Published online by Cambridge University Press:  18 February 2016

Idris Messaoudene ,
Tayeb A. Denidni  and
Abdelmadjid Benghalia
Idris Messaoudene*
Affiliation:
INRS-EMT, University of Quebec, Montreal, QC H5A 1K6, Canada Laboratoire Hyperfréquences et Semiconducteurs, Université des Frères Mentouri Constantine, Algérie
Tayeb A. Denidni
Affiliation:
INRS-EMT, University of Quebec, Montreal, QC H5A 1K6, Canada
Abdelmadjid Benghalia
Affiliation:
Laboratoire Hyperfréquences et Semiconducteurs, Université des Frères Mentouri Constantine, Algérie
*
Corresponding author: I. Messaoudene Email: messaoudene@emt.inrs.ca
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Abstract

In this paper, a microstrip-fed U-shaped dielectric resonator antenna (DRA) is simulated, designed, and fabricated. This antenna, in its simple configuration, operates from 5.45 to 10.8 GHz. To enhance its impedance bandwidth, the ground plane is first modified, which leads to an extended bandwidth from 4 to 10.8 GHz. Then by inserting a rectangular metallic patch inside the U-shaped DRA, the bandwidth is increased more to achieve an operating band from 2.65 to 10.9 GHz. To validate these results, an experimental antenna prototype is fabricated and measured. The obtained measurement results show that the proposed antenna can provide an ultra-wide bandwidth and a symmetric bidirectional radiation patterns. With these features, the proposed antenna is suitable for ultra-wideband applications.

Keywords

Ultra-wideband applicationsDielectric resonator antennaLow-profile antennaMeasurements
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 3 , April 2017 , pp. 621 - 627
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2016 

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