Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias

In this paper, a new technique for circular polarization in a slot coupled dielectric resonator antenna is proposed. The circular polarization is generated by inserting the two annular vias into dielectric resonator slightly off the diagonal position. In addition to the circular polarization, the pr...

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Main Authors: Manzoor Elahi, Amir Altaf, Youngoo Yang, Kang-Yoon Lee, Keum Cheol Hwang
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9370132/
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author Manzoor Elahi
Amir Altaf
Youngoo Yang
Kang-Yoon Lee
Keum Cheol Hwang
author_facet Manzoor Elahi
Amir Altaf
Youngoo Yang
Kang-Yoon Lee
Keum Cheol Hwang
author_sort Manzoor Elahi
collection DOAJ
description In this paper, a new technique for circular polarization in a slot coupled dielectric resonator antenna is proposed. The circular polarization is generated by inserting the two annular vias into dielectric resonator slightly off the diagonal position. In addition to the circular polarization, the proposed technique increases the total realized gain by 1.62 dB as compared to the via-less case on the account of increased directivity while maintaining the same aspect ratio of the DR. To validate the design, a prototype is fabricated and measured. The measured results show that the proposed circularly polarized dielectric resonator antenna has a &#x2212;10 dB reflection bandwidth of 7.29&#x0025; (3.3&#x2013;3.55 GHz) and a 3 dB axial ratio bandwidth of 5.5&#x0025; (3.28&#x2013;3.465 GHz) with a measured RHCP gain of 6&#x2013;7.1 dBic. The measured curves of the S<sub>11</sub>, axial ratio, and the RHCP gain results are in good agreement with the simulated results.
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spelling doaj.art-1754e17cec40455ca72301a151751d3b2022-12-21T22:48:39ZengIEEEIEEE Access2169-35362021-01-019411234112810.1109/ACCESS.2021.30640269370132Circularly Polarized Dielectric Resonator Antenna With Two Annular ViasManzoor Elahi0https://orcid.org/0000-0002-1049-2606Amir Altaf1https://orcid.org/0000-0001-5009-9043Youngoo Yang2https://orcid.org/0000-0003-3463-0687Kang-Yoon Lee3https://orcid.org/0000-0001-9777-6953Keum Cheol Hwang4https://orcid.org/0000-0002-8074-1137Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, South KoreaDepartment of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, South KoreaDepartment of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, South KoreaDepartment of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, South KoreaDepartment of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, South KoreaIn this paper, a new technique for circular polarization in a slot coupled dielectric resonator antenna is proposed. The circular polarization is generated by inserting the two annular vias into dielectric resonator slightly off the diagonal position. In addition to the circular polarization, the proposed technique increases the total realized gain by 1.62 dB as compared to the via-less case on the account of increased directivity while maintaining the same aspect ratio of the DR. To validate the design, a prototype is fabricated and measured. The measured results show that the proposed circularly polarized dielectric resonator antenna has a &#x2212;10 dB reflection bandwidth of 7.29&#x0025; (3.3&#x2013;3.55 GHz) and a 3 dB axial ratio bandwidth of 5.5&#x0025; (3.28&#x2013;3.465 GHz) with a measured RHCP gain of 6&#x2013;7.1 dBic. The measured curves of the S<sub>11</sub>, axial ratio, and the RHCP gain results are in good agreement with the simulated results.https://ieeexplore.ieee.org/document/9370132/Axial ratiocircular polarizationrectangular dielectric resonator antennaright-handed circular polarization
spellingShingle Manzoor Elahi
Amir Altaf
Youngoo Yang
Kang-Yoon Lee
Keum Cheol Hwang
Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias
IEEE Access
Axial ratio
circular polarization
rectangular dielectric resonator antenna
right-handed circular polarization
title Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias
title_full Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias
title_fullStr Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias
title_full_unstemmed Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias
title_short Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias
title_sort circularly polarized dielectric resonator antenna with two annular vias
topic Axial ratio
circular polarization
rectangular dielectric resonator antenna
right-handed circular polarization
url https://ieeexplore.ieee.org/document/9370132/
work_keys_str_mv AT manzoorelahi circularlypolarizeddielectricresonatorantennawithtwoannularvias
AT amiraltaf circularlypolarizeddielectricresonatorantennawithtwoannularvias
AT youngooyang circularlypolarizeddielectricresonatorantennawithtwoannularvias
AT kangyoonlee circularlypolarizeddielectricresonatorantennawithtwoannularvias
AT keumcheolhwang circularlypolarizeddielectricresonatorantennawithtwoannularvias