Differential and Symmetrical Decoupling Network for Differentially Fed Antennas

Wang, X; Ding, C; Zhao, G; Li, S; Chen, Y; Sun, H

Differential and Symmetrical Decoupling Network for Differentially Fed Antennas

Wang, X Ding, C

Zhao, G Li, S Chen, Y

Sun, H

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Antennas and Wireless Propagation Letters, 2024, 23, (3), pp. 1129-1133
Issue Date:: 2024-03-01

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Field	Value	Language
dc.contributor.author	Wang, X
dc.contributor.author	Ding, C https://orcid.org/0000-0002-2629-1657
dc.contributor.author	Zhao, G
dc.contributor.author	Li, S
dc.contributor.author	Chen, Y https://orcid.org/0000-0002-1441-1017
dc.contributor.author	Sun, H
dc.date.accessioned	2024-05-03T04:13:00Z
dc.date.available	2024-05-03T04:13:00Z
dc.date.issued	2024-03-01
dc.identifier.citation	IEEE Antennas and Wireless Propagation Letters, 2024, 23, (3), pp. 1129-1133
dc.identifier.issn	1536-1225
dc.identifier.issn	1548-5757
dc.identifier.uri	http://hdl.handle.net/10453/178605
dc.description.abstract	This letter proposes the differential and symmetrical decoupling network (DSDN), a novel method specifically designed to decouple differentially fed antennas (DFAs) while preserving their structural symmetry. DFAs offer several advantages over single-fed antennas (SFAs) due to their symmetrical design, but the presence of multiple antenna ports and coupling paths poses challenges for decoupling. Existing methods for SFAs disrupt the structural symmetry of DFAs. The DSDN significantly enhances the isolation between DFAs, and its effectiveness is validated through theoretical derivations, simulations, and experimental measurements on a 1 × 2 DFA array and a 1 × 4 DFA array. The results demonstrate isolation improvements of 53 and 40 dB at the center frequency for the 1 × 2 and the 1 × 4 DFA array, respectively, compared with the coupled array. The DSDN offers a promising solution for decoupling DFAs, allowing for significantly improved performance while maintaining structural symmetry.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Antennas and Wireless Propagation Letters
dc.relation.isbasedon	10.1109/LAWP.2023.3346374
dc.rights	info:eu-repo/semantics/embargoedAccess
dc.subject	0906 Electrical and Electronic Engineering, 1005 Communications Technologies
dc.subject.classification	Networking & Telecommunications
dc.subject.classification	4006 Communications engineering
dc.title	Differential and Symmetrical Decoupling Network for Differentially Fed Antennas
dc.type	Journal Article
utslib.citation.volume	23
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	1005 Communications Technologies
pubs.organisational-group	University of Technology Sydney
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
utslib.copyright.status	embargoed	*
utslib.copyright.embargo	2026-03-01T00:00:00+1000Z
dc.date.updated	2024-05-03T04:12:58Z
pubs.issue	3
pubs.publication-status	Published
pubs.volume	23
utslib.citation.issue	3

Abstract:

This letter proposes the differential and symmetrical decoupling network (DSDN), a novel method specifically designed to decouple differentially fed antennas (DFAs) while preserving their structural symmetry. DFAs offer several advantages over single-fed antennas (SFAs) due to their symmetrical design, but the presence of multiple antenna ports and coupling paths poses challenges for decoupling. Existing methods for SFAs disrupt the structural symmetry of DFAs. The DSDN significantly enhances the isolation between DFAs, and its effectiveness is validated through theoretical derivations, simulations, and experimental measurements on a 1 × 2 DFA array and a 1 × 4 DFA array. The results demonstrate isolation improvements of 53 and 40 dB at the center frequency for the 1 × 2 and the 1 × 4 DFA array, respectively, compared with the coupled array. The DSDN offers a promising solution for decoupling DFAs, allowing for significantly improved performance while maintaining structural symmetry.

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http://hdl.handle.net/10453/178605