Single-dielectric wideband partially reflecting surface with variable reflection components for realization of a compact high-gain resonant cavity antenna

Lalbakhsh, A; Afzal, MU; Esselle, KP; Smith, SL; Zeb, BA

Single-dielectric wideband partially reflecting surface with variable reflection components for realization of a compact high-gain resonant cavity antenna

Lalbakhsh, A Afzal, MU Esselle, KP

Smith, SL Zeb, BA

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Publication Type:: Journal Article
Citation:: IEEE Transactions on Antennas and Propagation, 2019, 67 (3), pp. 1916 - 1921
Issue Date:: 2019-03-01

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Field	Value	Language
dc.contributor.author	Lalbakhsh, A	en_US
dc.contributor.author	Afzal, MU	en_US
dc.contributor.author	Esselle, KP https://orcid.org/0000-0002-3681-0086	en_US
dc.contributor.author	Smith, SL	en_US
dc.contributor.author	Zeb, BA	en_US
dc.date.accessioned	2020-04-03T04:40:04Z
dc.date.available	2020-04-03T04:40:04Z
dc.date.issued	2019-03-01	en_US
dc.identifier.citation	IEEE Transactions on Antennas and Propagation, 2019, 67 (3), pp. 1916 - 1921	en_US
dc.identifier.issn	0018-926X	en_US
dc.identifier.uri	http://hdl.handle.net/10453/139769
dc.description.abstract	© 1963-2012 IEEE. This communication presents a design methodology for a compact low-cost partially reflecting surface (PRS) for a wideband high-gain resonant cavity antenna (RCA) which requires only a single commercial dielectric slab. The PRS has one nonuniform double-sided printed dielectric, which exhibits a negative transverse-reflection magnitude gradient and, at the same time, a progressive reflection phase gradient over frequency. In addition, a partially shielded cavity is proposed as a method to optimize the directivity bandwidth and the peak directivity of RCAs. A prototype of the PRS was fabricated and tested with a partially shielded cavity, showing good agreement between the predicted and measured results. The measured peak directivity of the antenna is 16.2 dBi at 11.4 GHz with a 3 dB bandwidth of 22%. The measured peak gain and 3 dB gain bandwidth are 15.75 dBi and 21.5%, respectively. The PRS has a radius of 29.25 mm (1.1λ0 ) with a thickness of 1.52 mm ( 0.12λg ), and the overall height of the antenna is 0.6λ0, where λ0 and λg are the free-space and guided wavelengths at the center frequency of 11.4 GHz.	en_US
dc.relation.ispartof	IEEE Transactions on Antennas and Propagation	en_US
dc.relation.isbasedon	10.1109/TAP.2019.2891232	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	Networking & Telecommunications	en_US
dc.title	Single-dielectric wideband partially reflecting surface with variable reflection components for realization of a compact high-gain resonant cavity antenna	en_US
dc.type	Journal Article
utslib.citation.volume	3	en_US
utslib.citation.volume	67	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	1005 Communications Technologies	en_US
pubs.embargo.period	Not known	en_US
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	*
pubs.issue	3	en_US
pubs.publication-status	Published	en_US
pubs.volume	67	en_US

Abstract:

© 1963-2012 IEEE. This communication presents a design methodology for a compact low-cost partially reflecting surface (PRS) for a wideband high-gain resonant cavity antenna (RCA) which requires only a single commercial dielectric slab. The PRS has one nonuniform double-sided printed dielectric, which exhibits a negative transverse-reflection magnitude gradient and, at the same time, a progressive reflection phase gradient over frequency. In addition, a partially shielded cavity is proposed as a method to optimize the directivity bandwidth and the peak directivity of RCAs. A prototype of the PRS was fabricated and tested with a partially shielded cavity, showing good agreement between the predicted and measured results. The measured peak directivity of the antenna is 16.2 dBi at 11.4 GHz with a 3 dB bandwidth of 22%. The measured peak gain and 3 dB gain bandwidth are 15.75 dBi and 21.5%, respectively. The PRS has a radius of 29.25 mm (1.1λ0 ) with a thickness of 1.52 mm ( 0.12λg ), and the overall height of the antenna is 0.6λ0, where λ0 and λg are the free-space and guided wavelengths at the center frequency of 11.4 GHz.

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

http://hdl.handle.net/10453/139769