Folded Transmitarray Antenna via Independent Amplitude/Phase Control With Low Side-Lobe for Millimeter-Wave Communication

Sun, M; Xu, K; Yang, Y; Chen, S; Wang, T; Yu, D; Yu, X; Wang, G

Folded Transmitarray Antenna via Independent Amplitude/Phase Control With Low Side-Lobe for Millimeter-Wave Communication

Sun, M Xu, K Yang, Y

Chen, S Wang, T Yu, D Yu, X Wang, G

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Circuits and Systems II: Express Briefs, 2024, 71, (4), pp. 2004-2008
Issue Date:: 2024-04-01

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Field	Value	Language
dc.contributor.author	Sun, M
dc.contributor.author	Xu, K
dc.contributor.author	Yang, Y https://orcid.org/0000-0001-7439-2156
dc.contributor.author	Chen, S
dc.contributor.author	Wang, T
dc.contributor.author	Yu, D
dc.contributor.author	Yu, X
dc.contributor.author	Wang, G
dc.date.accessioned	2024-08-07T04:29:58Z
dc.date.available	2024-08-07T04:29:58Z
dc.date.issued	2024-04-01
dc.identifier.citation	IEEE Transactions on Circuits and Systems II: Express Briefs, 2024, 71, (4), pp. 2004-2008
dc.identifier.issn	1549-7747
dc.identifier.issn	1558-3791
dc.identifier.uri	http://hdl.handle.net/10453/180195
dc.description.abstract	A low-profile folded transmitarray antenna (FTA) with independent amplitude and phase control is proposed for the applications of millimeter-wave (mm-wave) communication. The proposed FTA is composed of three functional parts, i.e., an independent amplitude-phase controlling metasurface (MS) on the top, a polarization-converter on the bottom, and a feeding antenna. Particularly, by using spatially designed amplitude on the aperture of the top MS with the specification of the Taylor distribution, much lower side-lobe levels (SLLs) could be effectively realized. The ray-tracing method is used to reduce the profile height and integrate both the feeding antenna and the polarization converter. The proposed FTA, which is fully integrated and fabricated using low-cost printed circuit board (PCB) technology, is verified by the theoretical analysis, full-wave simulation and experimental measurements of a prototype covering the entire 5G mm-wave n257 bands (26.5 to 29.5 GHz). The measured results show that the proposed FTA has a 3 dB gain bandwidth of 19% from 24.8 to 30 GHz and a peak gain of 21.08 dBi with an aperture efficiency of 18.3%. Especially, compared to traditional FTAs with phase modulations only, the proposed FTA performs an average SLLs reduction of more than 5.0 dB. The simulated and measured results coincide to confirm the feature and effectiveness of the FTA with the excellent performance.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Transactions on Circuits and Systems II: Express Briefs
dc.relation.isbasedon	10.1109/TCSII.2023.3338372
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering
dc.subject.classification	Electrical & Electronic Engineering
dc.subject.classification	4006 Communications engineering
dc.subject.classification	4009 Electronics, sensors and digital hardware
dc.title	Folded Transmitarray Antenna via Independent Amplitude/Phase Control With Low Side-Lobe for Millimeter-Wave Communication
dc.type	Journal Article
utslib.citation.volume	71
utslib.for	0906 Electrical and Electronic Engineering
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/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2024-08-07T04:29:55Z
pubs.issue	4
pubs.publication-status	Published
pubs.volume	71
utslib.citation.issue	4

Abstract:

A low-profile folded transmitarray antenna (FTA) with independent amplitude and phase control is proposed for the applications of millimeter-wave (mm-wave) communication. The proposed FTA is composed of three functional parts, i.e., an independent amplitude-phase controlling metasurface (MS) on the top, a polarization-converter on the bottom, and a feeding antenna. Particularly, by using spatially designed amplitude on the aperture of the top MS with the specification of the Taylor distribution, much lower side-lobe levels (SLLs) could be effectively realized. The ray-tracing method is used to reduce the profile height and integrate both the feeding antenna and the polarization converter. The proposed FTA, which is fully integrated and fabricated using low-cost printed circuit board (PCB) technology, is verified by the theoretical analysis, full-wave simulation and experimental measurements of a prototype covering the entire 5G mm-wave n257 bands (26.5 to 29.5 GHz). The measured results show that the proposed FTA has a 3 dB gain bandwidth of 19% from 24.8 to 30 GHz and a peak gain of 21.08 dBi with an aperture efficiency of 18.3%. Especially, compared to traditional FTAs with phase modulations only, the proposed FTA performs an average SLLs reduction of more than 5.0 dB. The simulated and measured results coincide to confirm the feature and effectiveness of the FTA with the excellent performance.

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http://hdl.handle.net/10453/180195