Wideband ±45° polarization reconfigurable aperture-fed patch antenna

Lin, W; Wong, H

Wideband ±45° polarization reconfigurable aperture-fed patch antenna

Lin, W

Wong, H

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Publication Type:: Conference Proceeding
Citation:: 2015 International Symposium on Antennas and Propagation, ISAP 2015, 2016
Issue Date:: 2016-04-04

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Field	Value	Language
dc.contributor.author	Lin, W https://orcid.org/0000-0003-0337-8554	en_US
dc.contributor.author	Wong, H	en_US
dc.date.issued	2016-04-04	en_US
dc.identifier.citation	2015 International Symposium on Antennas and Propagation, ISAP 2015, 2016	en_US
dc.identifier.isbn	9784885523038	en_US
dc.identifier.uri	http://hdl.handle.net/10453/122905
dc.description.abstract	© 2015 The Institute of Electronics, Information and Comm. This paper introduces a wideband aperture-fed patch antenna with ± 45° reconfigurable polarizations. A new method is proposed to achieve the switchable ± 45° polarizations by designing a reconfigurable feeding aperture for a square radiating patch. To realize this, we introduce four PIN diodes as RF switches connected between a cross feeding aperture such that the orthogonal directions of the rectangular aperture can be controllable. As the result, ± 45° polarizations can be reconfigured since the polarization is determined by the direction of the feeding aperture. In order to widen the bandwidth of a single patch antenna, we introduce a parasitic patch above the main radiating patch to bring an additional resonance. The bandwidth of the double-patch structure can reach 21% which is much wider than that of a single patch. In addition, the antenna has a stable gain across the operating bandwidth with the peak gain of 9.6 dBi. Good broadside radiation patterns are obtained with the 3-dB beamwidth of 56 degree. The antenna is suitable for applications requiring wideband and polarization reconfigurable characteristics.	en_US
dc.relation.ispartof	2015 International Symposium on Antennas and Propagation, ISAP 2015	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Wideband ±45° polarization reconfigurable aperture-fed patch antenna	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	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
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US

Abstract:

© 2015 The Institute of Electronics, Information and Comm. This paper introduces a wideband aperture-fed patch antenna with ± 45° reconfigurable polarizations. A new method is proposed to achieve the switchable ± 45° polarizations by designing a reconfigurable feeding aperture for a square radiating patch. To realize this, we introduce four PIN diodes as RF switches connected between a cross feeding aperture such that the orthogonal directions of the rectangular aperture can be controllable. As the result, ± 45° polarizations can be reconfigured since the polarization is determined by the direction of the feeding aperture. In order to widen the bandwidth of a single patch antenna, we introduce a parasitic patch above the main radiating patch to bring an additional resonance. The bandwidth of the double-patch structure can reach 21% which is much wider than that of a single patch. In addition, the antenna has a stable gain across the operating bandwidth with the peak gain of 9.6 dBi. Good broadside radiation patterns are obtained with the 3-dB beamwidth of 56 degree. The antenna is suitable for applications requiring wideband and polarization reconfigurable characteristics.

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http://hdl.handle.net/10453/122905