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Frequency tunning of a singly-fed rectangular 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 rectangular dielectric resonator antenna (DRA) that is excited using an outer-fed square spiral strip has been studied theoretically and experimentally, where a circular polarization over a broad bandwidth of ~6.7% has been attained. Furthermore, it has been demonstrated that that the operating frequency can be tuned by shifting the spiral position along the DRA surface. The structure has been rigorously modeled using a method of moments (MoM) model.

Published in:

Antennas and Propagation Conference (LAPC), 2011 Loughborough

Date of Conference:

14-15 Nov. 2011