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Singly-fed dielectric resonator antenna with a wideband circular polarization

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2 Author(s)
Sulaiman, M.I. ; Dept. of Electron. & Electr. Eng., Univ. of Sheffield, Sheffield, UK ; Khamas, S.K.

A cylindrical dielectric resonator antenna (DRA) that is excited using a conformal square spiral strip has been studied theoretically and experimentally. The proposed excitation has provided a measured circular polarization over a bandwidth of ~4.2% in conjunction with an impedance-matching bandwidth of ~14.3% at the same frequency range. The structure has been rigorously modeled using a method of moments (MoM) model, where a good agreement has been achieved between computed and measured results.

Published in:

Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on

Date of Conference:

11-15 April 2011