NDLI: Miniaturization of microstrip patch antenna for wireless applications by use of multilayered electromagnetic band gap substrate

Content Provider	IEEE Xplore Digital Library
Author	Korkontzila, E.G. Papafilippou, D.B. Chrissoulidis, D.P.
Copyright Year	2006
Description	Author affiliation: Aristotle University of Thessaloniki, Faculty of Engineering, School of Electrical & Computer Engineering, Telecommunications Laboratory, Radar & Microwaves Unit, PO Box 1562, GR-54124, Greece (Korkontzila, E.G.; Papafilippou, D.B.; Chrissoulidis, D.P.)
Abstract	The effect of a two-layer, periodic, electromagnetic bandgap (EBG) substrate on the performance of a dual-polarization, square, patch antenna is investigated in this paper. The antenna is printed in a gap area of the uppermost surface of the EBG substrate, disturbing by its presence the periodicity and the symmetry of that surface. Finite difference, time domain methods have been used for the simulations and a prototype of the proposed structure has been made in our laboratory in order to verify the simulated results. The proposed antenna resonates at 2415MHz and it is 24% smaller in area than a square patch with the same type of feedlines and the very same resonance frequency, which is printed on an ordinary, reference substrate. By ¿ordinary¿ it is implied that the reference substrate is a stack of two layers having the same dielectric constant and thickness as those of the proposed two-layer, EBG substrate. The decrease in frequency is 45.2% with respect to a square patch of the same size on the reference substrate. Still, the bandwidth of the proposed antenna increases by 12%, despite the narrowband nature of the quarter-wavelength matching circuits at both inputs, and it presents higher isolation between the two ports.
Starting Page	1
Ending Page	6
File Size	267148
Page Count	6
File Format	PDF
ISBN	9789290929376
DOI	10.1109/EUCAP.2006.4584994
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-06
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	ESA
Subject Keyword	Patch antennas Dielectric substrates Laboratories Microstrip antennas Antenna feeds Metamaterials Resonance Virtual prototyping Periodic structures Finite difference methods
Content Type	Text
Resource Type	Article

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