Design of a Compact, Low-Profile, Differentially-Fed, Filtering Antenna for Diplexer Applications

Li, D; Tang, MC; Guo, P; Qi, ZY; Ziolkowski, RW

Design of a Compact, Low-Profile, Differentially-Fed, Filtering Antenna for Diplexer Applications

Li, D Tang, MC Guo, P Qi, ZY Ziolkowski, RW

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Publisher:: IEEE
Publication Type:: Conference Proceeding
Citation:: IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, iWEM 2021 - Proceedings, 2022, volume1, pp. 1-3
Issue Date:: 2022-01-01

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Field	Value	Language
dc.contributor.author	Li, D
dc.contributor.author	Tang, MC
dc.contributor.author	Guo, P
dc.contributor.author	Qi, ZY
dc.contributor.author	Ziolkowski, RW
dc.date	2021-11-28
dc.date.accessioned	2023-04-11T03:08:45Z
dc.date.available	2023-04-11T03:08:45Z
dc.date.issued	2022-01-01
dc.identifier.citation	IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, iWEM 2021 - Proceedings, 2022, volume1, pp. 1-3
dc.identifier.isbn	9781665418287
dc.identifier.uri	http://hdl.handle.net/10453/169527
dc.description.abstract	The prototype of differentially-fed filtering antenna (DFFA) with compact size and low profile for diplexer applications is studied and reported. Two split ring resonators (SRRs) with half-wavelength are served as the first order resonator to introduce the two operating frequency bands. A dual-mode radiation patch working in both its fundamental mode and a radiation-pattern-engineered third-order mode is utilized as the second order resonator to enhance those two passbands and, meanwhile, decreases the overall antenna size. Then, a second-order Chebyshev filtering response with two passbands is obtained. Importantly, an excitation with differential mode (DM) is exploited to reach the minimization of noise levels of both the harmonic and common mode (CM). The optimized simulation prototype of DFFA was manufactured and experimented. The values, in good accordance with the simulated ones, reveal the fractional bandwidths of 2.4% and 5.2%, and highest radiation gains of 5.45 and 8.5 dBi, respectively, corresponding to its lower and upper bands. Moreover, a flat gain with good stop-band skit was realized in two bands, while even the developed DFFA reaches an ultra-low profile, 0.017 ?0, and a small physical volume, $0.003 \lambda_{0}{}^{3}$.
dc.language	en
dc.publisher	IEEE
dc.relation.ispartof	IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, iWEM 2021 - Proceedings
dc.relation.ispartof	IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition
dc.relation.isbasedon	10.1109/iWEM53379.2021.9790654
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Design of a Compact, Low-Profile, Differentially-Fed, Filtering Antenna for Diplexer Applications
dc.type	Conference Proceeding
utslib.citation.volume	volume1
utslib.location.activity	Guangzhou, China
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/Strength - GBDTC - Global Big Data Technologies
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.consider-herdc	false
dc.date.updated	2023-04-11T03:08:43Z
pubs.finish-date	2021-11-30
pubs.place-of-publication	Piscataway, USA
pubs.publication-status	Published
pubs.start-date	2021-11-28
pubs.volume	volume1
dc.location	Piscataway, USA

Abstract:

The prototype of differentially-fed filtering antenna (DFFA) with compact size and low profile for diplexer applications is studied and reported. Two split ring resonators (SRRs) with half-wavelength are served as the first order resonator to introduce the two operating frequency bands. A dual-mode radiation patch working in both its fundamental mode and a radiation-pattern-engineered third-order mode is utilized as the second order resonator to enhance those two passbands and, meanwhile, decreases the overall antenna size. Then, a second-order Chebyshev filtering response with two passbands is obtained. Importantly, an excitation with differential mode (DM) is exploited to reach the minimization of noise levels of both the harmonic and common mode (CM). The optimized simulation prototype of DFFA was manufactured and experimented. The values, in good accordance with the simulated ones, reveal the fractional bandwidths of 2.4% and 5.2%, and highest radiation gains of 5.45 and 8.5 dBi, respectively, corresponding to its lower and upper bands. Moreover, a flat gain with good stop-band skit was realized in two bands, while even the developed DFFA reaches an ultra-low profile, 0.017 ?0, and a small physical volume, $0.003 \lambda_{0}{}^{3}$.

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http://hdl.handle.net/10453/169527