A Single-Layer, Differentially Fed Triband Filtenna With Uniform Polarization and Similar Broadside Radiation Characteristics

Li, D; Tang, MC; Hu, KZ; Wang, Y; Ziolkowski, RW

A Single-Layer, Differentially Fed Triband Filtenna With Uniform Polarization and Similar Broadside Radiation Characteristics

Li, D Tang, MC Hu, KZ Wang, Y Ziolkowski, RW

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Antennas and Propagation, 2023, 71, (11), pp. 8628-8638
Issue Date:: 2023-11-01

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Field	Value	Language
dc.contributor.author	Li, D
dc.contributor.author	Tang, MC
dc.contributor.author	Hu, KZ
dc.contributor.author	Wang, Y
dc.contributor.author	Ziolkowski, RW
dc.date.accessioned	2024-03-24T03:05:16Z
dc.date.available	2024-03-24T03:05:16Z
dc.date.issued	2023-11-01
dc.identifier.citation	IEEE Transactions on Antennas and Propagation, 2023, 71, (11), pp. 8628-8638
dc.identifier.issn	0018-926X
dc.identifier.issn	1558-2221
dc.identifier.uri	http://hdl.handle.net/10453/177040
dc.description.abstract	An innovative single-layer, differentially fed triband filtenna is presented. It is formed with a main patch, which consists of two interdigitated-coupled driven patches that are approximately mirror-symmetric and four parasitic patches. The strong coupling between the two driven patches facilitates the excitation of the TM 1,0, TM 1,2, TM 1,4, and antiphase TM 2,0 modes of the entire main patch and the consequent very small electrical size of the filtenna. Two pairs of open-ended branches are loaded on the main patch to improve the selectivity of the middle band. A pair of split-ring slots are etched on the main patch and four parasitic shorted patches are loaded near it to introduce additional in-band resonances and out-of-band radiation nulls simultaneously, which improve the bandwidth and selectivity of the lower and higher bands, respectively. A prototype was fabricated, assembled, and tested. Its electrical size is 0.31λL × 0.28λL × 0.031 λL, λL being the free-space wavelength corresponding to the lower band's center frequency. The experimental results, in agreement with their simulated values, demonstrate operation in three bands: 2.4-2.487, 3.72-3.93, and 5.57-5.88 GHz, with uniform polarization and similar broadside radiation performance. They also show excellent low cross-polarization levels, high common-mode noise immunity, and good filter properties over all three bands.
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.2023.3314137
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 Single-Layer, Differentially Fed Triband Filtenna With Uniform Polarization and Similar Broadside Radiation Characteristics
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/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	*
dc.date.updated	2024-03-24T03:05:14Z
pubs.issue	11
pubs.publication-status	Published
pubs.volume	71
utslib.citation.issue	11

Abstract:

An innovative single-layer, differentially fed triband filtenna is presented. It is formed with a main patch, which consists of two interdigitated-coupled driven patches that are approximately mirror-symmetric and four parasitic patches. The strong coupling between the two driven patches facilitates the excitation of the TM 1,0, TM 1,2, TM 1,4, and antiphase TM 2,0 modes of the entire main patch and the consequent very small electrical size of the filtenna. Two pairs of open-ended branches are loaded on the main patch to improve the selectivity of the middle band. A pair of split-ring slots are etched on the main patch and four parasitic shorted patches are loaded near it to introduce additional in-band resonances and out-of-band radiation nulls simultaneously, which improve the bandwidth and selectivity of the lower and higher bands, respectively. A prototype was fabricated, assembled, and tested. Its electrical size is 0.31λL × 0.28λL × 0.031 λL, λL being the free-space wavelength corresponding to the lower band's center frequency. The experimental results, in agreement with their simulated values, demonstrate operation in three bands: 2.4-2.487, 3.72-3.93, and 5.57-5.88 GHz, with uniform polarization and similar broadside radiation performance. They also show excellent low cross-polarization levels, high common-mode noise immunity, and good filter properties over all three bands.

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http://hdl.handle.net/10453/177040