A wideband circularly polarized rectangular dielectric resonator antenna with monofilar-spiral-slot fed by microstrip line

A rectangular dielectric resonator antenna (DRA) with monofilar-spiral-slot is presented for wideband circular polarization(CP). A microstrip line composed of a strip and a half ring, as a broadband feeding structure, are used to feed the antenna. A prototype of the proposed antenna is designed, fab...

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Bibliographic Details
Published in2016 IEEE 5th Asia-Pacific Conference on Antennas and Propagation (APCAP) pp. 103 - 104
Main Authors Qi Li, Bin Li, Xuetian Wang
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2016
Subjects
Antenna measurements
Broadband antennas
Circular polarization(CP)
dielectric resonator antenna(DRA)
Dielectric resonator antennas
Dielectrics
Microstrip antennas
Wideband
wideband antenna
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Summary:A rectangular dielectric resonator antenna (DRA) with monofilar-spiral-slot is presented for wideband circular polarization(CP). A microstrip line composed of a strip and a half ring, as a broadband feeding structure, are used to feed the antenna. A prototype of the proposed antenna is designed, fabricated, and measured. The proposed DRA has a high radiation efficiency and a wide 3-dB AR beamwidth. Measured results show that it also obtains a global bandwidth of 30.7%(1.79-2.44 GHz) for |S 11 | <; -10dB, AR <; 3dB.
DOI:10.1109/APCAP.2016.7843120