Frequency-agile, efficient, near-field resonant parasitic monopole antenna

Tang, MC; Ziolkowski, RW; Xiao, S; Li, M; Zhang, J

Frequency-agile, efficient, near-field resonant parasitic monopole antenna

Tang, MC Ziolkowski, RW

Xiao, S Li, M Zhang, J

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Publication Type:: Journal Article
Citation:: IEEE Transactions on Antennas and Propagation, 2014, 62 (3), pp. 1479 - 1483
Issue Date:: 2014-01-01

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Field	Value	Language
dc.contributor.author	Tang, MC	en_US
dc.contributor.author	Ziolkowski, RW https://orcid.org/0000-0003-4256-6902	en_US
dc.contributor.author	Xiao, S	en_US
dc.contributor.author	Li, M	en_US
dc.contributor.author	Zhang, J	en_US
dc.date.issued	2014-01-01	en_US
dc.identifier.citation	IEEE Transactions on Antennas and Propagation, 2014, 62 (3), pp. 1479 - 1483	en_US
dc.identifier.issn	0018-926X	en_US
dc.identifier.uri	http://hdl.handle.net/10453/118671
dc.description.abstract	A simple, frequency-agile, efficient, near-field resonant parasitic (NFRP) monopole antenna is presented. The NFRP element is a capacitively-loaded loop (CLL) augmented with a varactor diode to achieve the frequency tunability. The numerical and experimental studies agree reasonably well. The experimental results demonstrate that this frequency-agile antenna exhibits a 5.56% 10-dB fractional impedance bandwidth, which is more than four times larger than the 1.33% value of the original fixed-capacitor passive system. Good impedance matching (${\vert{\rm S}-{11}\vert}-{\min}\leq-$ 20 dB), relatively high radiation efficiency ($ RE>$76%), stable and uniform radiation patterns, and peak gain values between 3.57-4.05 dBi were measured over this frequency-agile range. © 1963-2012 IEEE.	en_US
dc.relation.ispartof	IEEE Transactions on Antennas and Propagation	en_US
dc.relation.isbasedon	10.1109/TAP.2013.2295228	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	Networking & Telecommunications	en_US
dc.title	Frequency-agile, efficient, near-field resonant parasitic monopole antenna	en_US
dc.type	Journal Article
utslib.citation.volume	3	en_US
utslib.citation.volume	62	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
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
utslib.copyright.status	closed_access	*
pubs.issue	3	en_US
pubs.publication-status	Published	en_US
pubs.volume	62	en_US

Abstract:

A simple, frequency-agile, efficient, near-field resonant parasitic (NFRP) monopole antenna is presented. The NFRP element is a capacitively-loaded loop (CLL) augmented with a varactor diode to achieve the frequency tunability. The numerical and experimental studies agree reasonably well. The experimental results demonstrate that this frequency-agile antenna exhibits a 5.56% 10-dB fractional impedance bandwidth, which is more than four times larger than the 1.33% value of the original fixed-capacitor passive system. Good impedance matching (${\vert{\rm S}-{11}\vert}-{\min}\leq-$ 20 dB), relatively high radiation efficiency ($ RE>$76%), stable and uniform radiation patterns, and peak gain values between 3.57-4.05 dBi were measured over this frequency-agile range. © 1963-2012 IEEE.

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http://hdl.handle.net/10453/118671