Simultaneous Suppression of Cross-Band Scattering and Coupling between Closely Spaced Dual-Band Dual-Polarized Antennas

Sun, SY; Ding, C; Jiang, W; Guo, YJ

Simultaneous Suppression of Cross-Band Scattering and Coupling between Closely Spaced Dual-Band Dual-Polarized Antennas

Sun, SY Ding, C

Jiang, W Guo, YJ

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Antennas and Propagation, 2023, 71, (8), pp. 6423-6434
Issue Date:: 2023-08-01

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Field	Value	Language
dc.contributor.author	Sun, SY
dc.contributor.author	Ding, C https://orcid.org/0000-0002-2629-1657
dc.contributor.author	Jiang, W
dc.contributor.author	Guo, YJ
dc.date.accessioned	2024-02-29T06:21:04Z
dc.date.available	2024-02-29T06:21:04Z
dc.date.issued	2023-08-01
dc.identifier.citation	IEEE Transactions on Antennas and Propagation, 2023, 71, (8), pp. 6423-6434
dc.identifier.issn	0018-926X
dc.identifier.issn	1558-2221
dc.identifier.uri	http://hdl.handle.net/10453/175980
dc.description.abstract	When two antennas working in different frequency bands are placed in proximity, they suffer from strong cross-band interactions that degrade their radiation performance and reduce the isolation between them. This article presents holistic methods to simultaneously suppress cross-band scattering and coupling. Specifically, we develop a systematic solution to suppress the scattering of low-band (LB) antennas to high-band (HB) radiation as well as the scattering of HB antennas to LB radiation using three new techniques. This leads to much reduced cross-band coupling between the LB and HB antennas. The proposed methods are applied to a 'one LB + one HB' dual-band array configuration with only one LB cross dipole and one HB cross dipole placed side-by-side to exclude the effects of the array topology. The robustness of the proposed methods is comprehensively verified for different scenarios by simulations and experiments. Furthermore, the methods are evaluated in a 'one LB + four HB' array configuration. In addition to effectively suppressing cross-band scattering and coupling, the proposed methods also demonstrated a significant reduction in in-band coupling between adjacent HB antennas.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation	http://purl.org/au-research/grants/arc/DE200101347
dc.relation.ispartof	IEEE Transactions on Antennas and Propagation
dc.relation.isbasedon	10.1109/TAP.2023.3284136
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.subject.classification	4008 Electrical engineering
dc.subject.classification	4009 Electronics, sensors and digital hardware
dc.title	Simultaneous Suppression of Cross-Band Scattering and Coupling between Closely Spaced Dual-Band Dual-Polarized Antennas
dc.type	Journal Article
utslib.citation.volume	71
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	2025-06-13T00:00:00+1000Z
dc.date.updated	2024-02-29T06:21:03Z
pubs.issue	8
pubs.publication-status	Published
pubs.volume	71
utslib.citation.issue	8

Abstract:

When two antennas working in different frequency bands are placed in proximity, they suffer from strong cross-band interactions that degrade their radiation performance and reduce the isolation between them. This article presents holistic methods to simultaneously suppress cross-band scattering and coupling. Specifically, we develop a systematic solution to suppress the scattering of low-band (LB) antennas to high-band (HB) radiation as well as the scattering of HB antennas to LB radiation using three new techniques. This leads to much reduced cross-band coupling between the LB and HB antennas. The proposed methods are applied to a 'one LB + one HB' dual-band array configuration with only one LB cross dipole and one HB cross dipole placed side-by-side to exclude the effects of the array topology. The robustness of the proposed methods is comprehensively verified for different scenarios by simulations and experiments. Furthermore, the methods are evaluated in a 'one LB + four HB' array configuration. In addition to effectively suppressing cross-band scattering and coupling, the proposed methods also demonstrated a significant reduction in in-band coupling between adjacent HB antennas.

Please use this identifier to cite or link to this item:

http://hdl.handle.net/10453/175980