A Compact, Low-Profile, Broadside Radiating Two-Element Huygens Dipole Array Facilitated by a Custom-Designed Decoupling Element

Tang, MC; Chen, X; Shi, T; Tu, H; Wu, Z; Ziolkowski, RW

A Compact, Low-Profile, Broadside Radiating Two-Element Huygens Dipole Array Facilitated by a Custom-Designed Decoupling Element

Tang, MC Chen, X Shi, T Tu, H Wu, Z Ziolkowski, RW

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Publisher:: Institute of Electrical and Electronics Engineers (IEEE)
Publication Type:: Journal Article
Citation:: IEEE Transactions on Antennas and Propagation, 2021, pp. 1-1
Issue Date:: 2021-01-01

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Field	Value	Language
dc.contributor.author	Tang, MC
dc.contributor.author	Chen, X
dc.contributor.author	Shi, T
dc.contributor.author	Tu, H
dc.contributor.author	Wu, Z
dc.contributor.author	Ziolkowski, RW
dc.date.accessioned	2021-02-18T22:22:34Z
dc.date.available	2021-02-18T22:22:34Z
dc.date.issued	2021-01-01
dc.identifier.citation	IEEE Transactions on Antennas and Propagation, 2021, pp. 1-1
dc.identifier.issn	0018-926X
dc.identifier.issn	1558-2221
dc.identifier.uri	http://hdl.handle.net/10453/146216
dc.description.abstract	IEEE A compact, low-profile, broadside radiating, two-element Huygens dipole array is developed for in-band full-duplex (IBFD) applications. Each radiating element is a multi-layer near-field resonant parasitic (NFRP) design that is electrically small with ka= 0.76 at its resonance frequency, f0= 1.511 GHz. The center-to-center distance between the elements is only 0.3λ0. The array’s outstanding performance is facilitated by a custom-designed decoupling element. This specially engineered scatterer is printed on an additional layer and consists of a pair of meander-line resonators connected by a metallic strip. The overall height of the entire system is only λ0/20.3. The passive decoupling element operates as several electrically small electric dipoles whose scattered fields mitigate the interactions between the two radiators. It provides very high isolation levels between them and improves the overall directivity of the array. The optimized array was fabricated, assembled and tested. The measured results, in good agreement with their simulated values, confirm that the developed decoupling structure not only increases the peak isolation level from 14.4 to 50.4 dB; but it also improves the peak realized gain in the broadside direction by 0.5 dB and the corresponding front-to-back ratio (FTBR) value by 14.4 dB.
dc.language	en
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation	http://purl.org/au-research/grants/arc/DP160102219
dc.relation	University of Technology Sydney
dc.relation	http://purl.org/au-research/grants/arc/DP200100908
dc.relation.ispartof	IEEE Transactions on Antennas and Propagation
dc.relation.isbasedon	10.1109/TAP.2020.3048579
dc.rights	© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.	en_US
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	0906 Electrical and Electronic Engineering, 1005 Communications Technologies
dc.subject.classification	Networking & Telecommunications
dc.title	A Compact, Low-Profile, Broadside Radiating Two-Element Huygens Dipole Array Facilitated by a Custom-Designed Decoupling Element
dc.type	Journal Article
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	1005 Communications Technologies
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney
utslib.copyright.status	open_access	*
dc.date.updated	2021-02-18T22:19:12Z
pubs.publication-status	Published

Abstract:

IEEE A compact, low-profile, broadside radiating, two-element Huygens dipole array is developed for in-band full-duplex (IBFD) applications. Each radiating element is a multi-layer near-field resonant parasitic (NFRP) design that is electrically small with ka= 0.76 at its resonance frequency, f0= 1.511 GHz. The center-to-center distance between the elements is only 0.3λ0. The array’s outstanding performance is facilitated by a custom-designed decoupling element. This specially engineered scatterer is printed on an additional layer and consists of a pair of meander-line resonators connected by a metallic strip. The overall height of the entire system is only λ0/20.3. The passive decoupling element operates as several electrically small electric dipoles whose scattered fields mitigate the interactions between the two radiators. It provides very high isolation levels between them and improves the overall directivity of the array. The optimized array was fabricated, assembled and tested. The measured results, in good agreement with their simulated values, confirm that the developed decoupling structure not only increases the peak isolation level from 14.4 to 50.4 dB; but it also improves the peak realized gain in the broadside direction by 0.5 dB and the corresponding front-to-back ratio (FTBR) value by 14.4 dB.

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http://hdl.handle.net/10453/146216