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A singly fed wideband circularly polarized dielectric resonator antenna using concentric open half-loops

Sulaiman, M.I. and Khamas, S.K. (2011) A singly fed wideband circularly polarized dielectric resonator antenna using concentric open half-loops. IEEE Antennas and Wireless Propagation Letters, 10. pp. 1305-1308. ISSN 1536-1225

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Abstract

A rectangular dielectric resonator antenna (DRA) with a broadband circular polarization (CP) radiation is presented using a single feed excitation. A simple feed method is proposed using an open half-loop antenna that consists of three metallic strips. Utilizing such an excitation has provided a circular polarization over a bandwidth of 7% that has been increased further to 13% by adding a concentric parasitic open half-loop in the structure. This has been achieved in conjunction with a 20% impedance matching bandwidth over the same frequency range. The configuration has been rigorously modeled using a method of moments (MoM) model. The computed and measured results are in good agreement.

Item Type: Article
Keywords: Circular polarization (CP) , dielectric resonator antennas (DRAs) , moment method , open-loop antennas
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield)
Depositing User: Miss Anthea Tucker
Date Deposited: 14 Dec 2011 09:18
Last Modified: 14 Dec 2011 09:18
Published Version: http://dx.doi.org/10.1109/LAWP.2011.2176905
Status: Published
Publisher: Institute of Electrical and Electronics Engineers
Identification Number: 10.1109/LAWP.2011.2176905
URI: http://eprints.whiterose.ac.uk/id/eprint/43510

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