A High-Gain and Wideband Filtering Millimeter-Wave Fabry-Pérot Cavity Antenna Enabled by High-Pass Source and Low-Pass Surface

Guo, QY; Xu, JX; He, W; Wong, H

A High-Gain and Wideband Filtering Millimeter-Wave Fabry-Pérot Cavity Antenna Enabled by High-Pass Source and Low-Pass Surface

Guo, QY Xu, JX He, W Wong, H

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Antennas and Propagation, 2023, 71, (7), pp. 5684-5694
Issue Date:: 2023-07-01

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Field	Value	Language
dc.contributor.author	Guo, QY
dc.contributor.author	Xu, JX
dc.contributor.author	He, W
dc.contributor.author	Wong, H
dc.date.accessioned	2024-03-17T20:51:02Z
dc.date.available	2024-03-17T20:51:02Z
dc.date.issued	2023-07-01
dc.identifier.citation	IEEE Transactions on Antennas and Propagation, 2023, 71, (7), pp. 5684-5694
dc.identifier.issn	0018-926X
dc.identifier.issn	1558-2221
dc.identifier.uri	http://hdl.handle.net/10453/176811
dc.description.abstract	This article introduces a filtering technique applied to the design of a wideband and high-gain Fabry-Pérot cavity (FPC) antenna for millimeter-wave (mm-wave) applications. The suggested method is to insert a low-pass frequency selective surface (FSS) into an FPC with intrinsic high-pass feeding source. By a combination of the two components (FSS and source), bandpass response can be generated effectively while maintaining high-gain performances realized by the proposed FPC. Both the proposed high-pass source and low-pass FSS exhibit wideband characteristics with tunable radiation nulls. Combined with a multimode resonant cavity structure, wideband performances can be achieved for the total antenna. For demonstration, a filtering FPC antenna operating at 30 GHz is designed, fabricated, and measured. The antenna consists of a low-pass feeding source, a modified ground, a partially reflective surface (PRS), and a low-pass FSS. Measured results show that the operating bandwidth of the antenna is from 22 to 30.5 GHz for the refection coefficient ≤ -10 dB. It realizes a flat in- band gain with a peak gain of 19.5 dBi. The in- band radiation patterns are stable, whereas the out-of-band radiation suppression level is around 14 dB.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Transactions on Antennas and Propagation
dc.relation.isbasedon	10.1109/TAP.2023.3270705
dc.rights	info:eu-repo/semantics/closedAccess
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	A High-Gain and Wideband Filtering Millimeter-Wave Fabry-Pérot Cavity Antenna Enabled by High-Pass Source and Low-Pass Surface
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/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2024-03-17T20:50:55Z
pubs.issue	7
pubs.publication-status	Published
pubs.volume	71
utslib.citation.issue	7

Abstract:

This article introduces a filtering technique applied to the design of a wideband and high-gain Fabry-Pérot cavity (FPC) antenna for millimeter-wave (mm-wave) applications. The suggested method is to insert a low-pass frequency selective surface (FSS) into an FPC with intrinsic high-pass feeding source. By a combination of the two components (FSS and source), bandpass response can be generated effectively while maintaining high-gain performances realized by the proposed FPC. Both the proposed high-pass source and low-pass FSS exhibit wideband characteristics with tunable radiation nulls. Combined with a multimode resonant cavity structure, wideband performances can be achieved for the total antenna. For demonstration, a filtering FPC antenna operating at 30 GHz is designed, fabricated, and measured. The antenna consists of a low-pass feeding source, a modified ground, a partially reflective surface (PRS), and a low-pass FSS. Measured results show that the operating bandwidth of the antenna is from 22 to 30.5 GHz for the refection coefficient ≤ -10 dB. It realizes a flat in- band gain with a peak gain of 19.5 dBi. The in- band radiation patterns are stable, whereas the out-of-band radiation suppression level is around 14 dB.

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http://hdl.handle.net/10453/176811