Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 9, Issue -, Pages 615-618Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2010.2054060
Keywords
Circular polarization; dielectric resonator antennas (DRAs); moment method; spiral antennas
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A rectangular dielectric resonator antenna (DRA) that is excited using an outer-fed square spiral strip has been studied theoretically and experimentally. Utilizing such excitation has provided a circular polarization over a broad bandwidth of similar to 14% in conjunction with an impedance-matching bandwidth of similar to 11. The structure has been rigorously modeled using a method of moments (MoM) model. A good agreement has been attained between computed and measured results.
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