NDLI: Gain and bandwidth improvement of an aperture coupled cylindrical dielectric resonator antenna using an EBG structure

Content Provider	IEEE Xplore Digital Library
Author	Coulibaly, Y. Denidni, T.A.
Copyright Year	2009
Description	Author affiliation: Université de Québec, INRS, Place Bonaventure, 800 de la Gauchetière Ouest, bureau 6900, Montréal (Québe), H5A 1K6, Canada (Coulibaly, Y.; Denidni, T.A.)
Abstract	In this paper, a new technique for the bandwidth and gain enhancement of dielectric resonator antennas using a cylindrical Electromagnetic Band Gap (EBG) structure has been proposed and demonstrated numerically. An aperture coupling scheme has been used to enable the isolation of the microstrip feed and the antenna. The EBG structure is based on the mushroom-like structure with a circular symmetry. It is composed of a periodic structure of metallic rings and of a periodic structure of vias. The periods of these two structures have been optimized using a full wave method to maximize the antenna gain. Numerical results have been presented showing that a gain enhancement of 6dB and an impedance bandwidth of 24 % are achieved with the new substrate. Experimental results will be presented during the conference.
Starting Page	1
Ending Page	4
File Size	577558
Page Count	4
File Format	PDF
ISBN	9781424436477
ISSN	15223965
DOI	10.1109/APS.2009.5171985
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dielectric resonator antennas Bandwidth Aperture coupled antennas Aperture antennas Periodic structures Metamaterials Microstrip antennas Antenna feeds Optimization methods Impedance
Content Type	Text
Resource Type	Article

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