DocumentCode
1144619
Title
L-Band Circularly Polarized Small Aperture Thin Textured Patch Antenna
Author
Koulouridis, Stavros ; Volakis, John L.
Author_Institution
ECE Dept., Ohio State Univ., Columbus, OH
Volume
7
fYear
2008
fDate
6/30/1905 12:00:00 AM
Firstpage
225
Lastpage
228
Abstract
An ultra thin L-band textured patch antenna is proposed with a 12.5% impedance bandwidth centered at 1.6 GHz. The antenna can cover several bands, including two satellite L bands at 1.525-1.560 GHz (uplink) and 1.625-1.660 GHz (downlink). It employs quadrature feeding for circular polarization and its textured design on the thin substrate (<lambda/40 at 1.6 GHz, epsivr=18) was generated via genetic algorithms optimization. The overall patch is less than lambda/3timeslambda/3 in aperture (including ground plane) and it delivers a remarkably constant simulated 4.2 dBi gain.
Keywords
UHF antennas; antenna feeds; electromagnetic wave polarisation; genetic algorithms; microstrip antennas; satellite antennas; bandwidth 1.6 GHz; circular polarization; frequency 1.525 GHz to 1.560 GHz; frequency 1.625 GHz to 1.660 GHz; genetic algorithms optimization; impedance bandwidth; quadrature feeding; ultra thin L-band textured patch antenna;
fLanguage
English
Journal_Title
Antennas and Wireless Propagation Letters, IEEE
Publisher
ieee
ISSN
1536-1225
Type
jour
DOI
10.1109/LAWP.2008.922312
Filename
4497917
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