A Broadband High-Efficiency Dipole Array Based on Frequency Selective Surface and Integrated Feeding Structure

In this paper, an ultra-wideband tightly couple antenna array based on a low-loss phase-modulated frequency selective surface and a microstrip-based feeding structure is reported. The proposed antenna array, which employs tightly coupled bow-tie elements, features a very low profile (1.08<inline-...

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Autores principales: Hong Tang, Bowen Zheng, Sensong An, Hang Li, Mohammad Haerinia, Clayton Fowler, Hualiang Zhang
Formato: article
Lenguaje:EN
Publicado: IEEE 2021
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Acceso en línea:https://doaj.org/article/9ac6074c4af744ada19472397bafbda2
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spelling oai:doaj.org-article:9ac6074c4af744ada19472397bafbda22021-11-25T00:01:09ZA Broadband High-Efficiency Dipole Array Based on Frequency Selective Surface and Integrated Feeding Structure2637-643110.1109/OJAP.2021.3127643https://doaj.org/article/9ac6074c4af744ada19472397bafbda22021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9612598/https://doaj.org/toc/2637-6431In this paper, an ultra-wideband tightly couple antenna array based on a low-loss phase-modulated frequency selective surface and a microstrip-based feeding structure is reported. The proposed antenna array, which employs tightly coupled bow-tie elements, features a very low profile (1.08<inline-formula> <tex-math notation="LaTeX">$\lambda _{high}$ </tex-math></inline-formula>). Specifically, a microstrip-to-parallel strip transition serves as an impedance transformer and a wideband balun to enable the array element to be excited with a 50 <inline-formula> <tex-math notation="LaTeX">$\Omega $ </tex-math></inline-formula> unbalanced feeding scheme. Additionally, one shorting sheet is employed to expand the bandwidth by shifting the common-mode to a higher frequency band. The presented design achieves a bandwidth of 13.66:1 (0.52 GHz &#x2013; 7.10 GHz) with VSWR &#x003C; 2.49 and simulated radiation efficiency greater than 96&#x0025; across the whole band. To validate the design concepts, an <inline-formula> <tex-math notation="LaTeX">$8\times8$ </tex-math></inline-formula> array prototype is fabricated and characterized experimentally. The measured results match well with the numerical analysis.Hong TangBowen ZhengSensong AnHang LiMohammad HaeriniaClayton FowlerHualiang ZhangIEEEarticleFrequency selective surface (FSS)tightly coupled arrays (TCAs)ultra-wideband antenna arrayswideband balunTelecommunicationTK5101-6720ENIEEE Open Journal of Antennas and Propagation, Vol 2, Pp 1087-1097 (2021)
institution DOAJ
collection DOAJ
language EN
topic Frequency selective surface (FSS)
tightly coupled arrays (TCAs)
ultra-wideband antenna arrays
wideband balun
Telecommunication
TK5101-6720
spellingShingle Frequency selective surface (FSS)
tightly coupled arrays (TCAs)
ultra-wideband antenna arrays
wideband balun
Telecommunication
TK5101-6720
Hong Tang
Bowen Zheng
Sensong An
Hang Li
Mohammad Haerinia
Clayton Fowler
Hualiang Zhang
A Broadband High-Efficiency Dipole Array Based on Frequency Selective Surface and Integrated Feeding Structure
description In this paper, an ultra-wideband tightly couple antenna array based on a low-loss phase-modulated frequency selective surface and a microstrip-based feeding structure is reported. The proposed antenna array, which employs tightly coupled bow-tie elements, features a very low profile (1.08<inline-formula> <tex-math notation="LaTeX">$\lambda _{high}$ </tex-math></inline-formula>). Specifically, a microstrip-to-parallel strip transition serves as an impedance transformer and a wideband balun to enable the array element to be excited with a 50 <inline-formula> <tex-math notation="LaTeX">$\Omega $ </tex-math></inline-formula> unbalanced feeding scheme. Additionally, one shorting sheet is employed to expand the bandwidth by shifting the common-mode to a higher frequency band. The presented design achieves a bandwidth of 13.66:1 (0.52 GHz &#x2013; 7.10 GHz) with VSWR &#x003C; 2.49 and simulated radiation efficiency greater than 96&#x0025; across the whole band. To validate the design concepts, an <inline-formula> <tex-math notation="LaTeX">$8\times8$ </tex-math></inline-formula> array prototype is fabricated and characterized experimentally. The measured results match well with the numerical analysis.
format article
author Hong Tang
Bowen Zheng
Sensong An
Hang Li
Mohammad Haerinia
Clayton Fowler
Hualiang Zhang
author_facet Hong Tang
Bowen Zheng
Sensong An
Hang Li
Mohammad Haerinia
Clayton Fowler
Hualiang Zhang
author_sort Hong Tang
title A Broadband High-Efficiency Dipole Array Based on Frequency Selective Surface and Integrated Feeding Structure
title_short A Broadband High-Efficiency Dipole Array Based on Frequency Selective Surface and Integrated Feeding Structure
title_full A Broadband High-Efficiency Dipole Array Based on Frequency Selective Surface and Integrated Feeding Structure
title_fullStr A Broadband High-Efficiency Dipole Array Based on Frequency Selective Surface and Integrated Feeding Structure
title_full_unstemmed A Broadband High-Efficiency Dipole Array Based on Frequency Selective Surface and Integrated Feeding Structure
title_sort broadband high-efficiency dipole array based on frequency selective surface and integrated feeding structure
publisher IEEE
publishDate 2021
url https://doaj.org/article/9ac6074c4af744ada19472397bafbda2
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