Single Feed Aperture-Coupled Wideband Dielectric Resonator Antenna with Circular Polarization for Ku-Band ApplicationsReport as inadecuate




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International Journal of Antennas and PropagationVolume 2012 2012, Article ID 378798, 8 pages

Research ArticleDepartment of Electrical and Computer Engineering, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182-1309, USA

Received 17 March 2012; Revised 29 April 2012; Accepted 1 May 2012

Academic Editor: Hon Tat Hui

Copyright © 2012 Joshua M. Patin and Satish K. Sharma. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A novel single feed aperture-coupled wideband dielectric resonator antenna DRA exhibiting righ-handed circular polarization RHCP operating in the Ku-band frequency range is presented. The aperture-coupled single feed design utilizes back-side microstrip excitation through a novel bow-tie-shaped cross-slots in the ground plane. Extensive simulation parametric studies resulted in a 3 dB axial ratio AR bandwidth of 17.24% at a center frequency of 13 GHz, where the dielectric resonator is excited in its HEM11δ resonant mode. A prototype DRA was fabricated with some limitations and experimentally verified for the impedance matching and radiation patterns showing circular polarization.





Author: Joshua M. Patin and Satish K. Sharma

Source: https://www.hindawi.com/



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