Polarization Selective Partial Reflective Decoupling Layers for Mutual Coupling Reduction of Two Closely Spaced Dual-Polarized Antennas

Zhao, G; Liu, T; Jiang, J; Zhao, L; Huang, GL; Lin, W

Polarization Selective Partial Reflective Decoupling Layers for Mutual Coupling Reduction of Two Closely Spaced Dual-Polarized Antennas

Zhao, G Liu, T Jiang, J Zhao, L Huang, GL Lin, W

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Publisher:: Institute of Electrical and Electronics Engineers (IEEE)
Publication Type:: Journal Article
Citation:: IEEE Transactions on Antennas and Propagation, 2022, 70, (11), pp. 11205-11210
Issue Date:: 2022-11-01

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Field	Value	Language
dc.contributor.author	Zhao, G
dc.contributor.author	Liu, T
dc.contributor.author	Jiang, J
dc.contributor.author	Zhao, L
dc.contributor.author	Huang, GL
dc.contributor.author	Lin, W https://orcid.org/0000-0003-0337-8554
dc.date.accessioned	2023-04-13T03:26:52Z
dc.date.available	2023-04-13T03:26:52Z
dc.date.issued	2022-11-01
dc.identifier.citation	IEEE Transactions on Antennas and Propagation, 2022, 70, (11), pp. 11205-11210
dc.identifier.issn	0018-926X
dc.identifier.issn	1558-2221
dc.identifier.uri	http://hdl.handle.net/10453/169734
dc.description.abstract	In this communication, two polarization selective partial reflective decoupling layers (PRDLs) are utilized to mitigate at least two kinds of mutual couplings between two closely spaced dual-polarized dipole antennas. The PRDL is a large-scale model of an actual dielectric board, obtained by arranging a large number of identical conducting obstacles in a regular two-dimensional pattern. The two PRDLs are designed at proper distances from the antenna aperture with well-engineered dielectric constants for two preset polarizations. Each layer is selective to only one polarization by appropriately designing the dimension of the unit cells. Consequently, the two dominant couplings between the two dual-polarized antennas are reduced significantly. The measured isolation between all ports of the two antennas are increased to more than 21 dB, while their reflection coefficients can still maintain in satisfactory status. The radiation patterns, total efficiencies, and envelop correlation coefficients of the proposed antenna, as well as its counterpart without any decoupling measures, are also obtained through measurement, showing significant and reasonable improvements, which further indicates that it has great potential to be extended and applied to 5G MIMO arrays in both base stations and wireless routers.
dc.language	en
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation.ispartof	IEEE Transactions on Antennas and Propagation
dc.relation.isbasedon	10.1109/TAP.2022.3191197
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering, 1005 Communications Technologies
dc.subject.classification	Networking & Telecommunications
dc.title	Polarization Selective Partial Reflective Decoupling Layers for Mutual Coupling Reduction of Two Closely Spaced Dual-Polarized Antennas
dc.type	Journal Article
utslib.citation.volume	70
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	closed_access	*
dc.date.updated	2023-04-13T03:26:48Z
pubs.issue	11
pubs.publication-status	Published
pubs.volume	70
utslib.citation.issue	11

Abstract:

In this communication, two polarization selective partial reflective decoupling layers (PRDLs) are utilized to mitigate at least two kinds of mutual couplings between two closely spaced dual-polarized dipole antennas. The PRDL is a large-scale model of an actual dielectric board, obtained by arranging a large number of identical conducting obstacles in a regular two-dimensional pattern. The two PRDLs are designed at proper distances from the antenna aperture with well-engineered dielectric constants for two preset polarizations. Each layer is selective to only one polarization by appropriately designing the dimension of the unit cells. Consequently, the two dominant couplings between the two dual-polarized antennas are reduced significantly. The measured isolation between all ports of the two antennas are increased to more than 21 dB, while their reflection coefficients can still maintain in satisfactory status. The radiation patterns, total efficiencies, and envelop correlation coefficients of the proposed antenna, as well as its counterpart without any decoupling measures, are also obtained through measurement, showing significant and reasonable improvements, which further indicates that it has great potential to be extended and applied to 5G MIMO arrays in both base stations and wireless routers.

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http://hdl.handle.net/10453/169734