A Dual-Band Circularly Polarized Antenna with Shared Aperture for Satellite-Assisted Internet of Things Communications

Sun, Z; Lv, X; Zhu, X; Liang, Z; Yang, Y

A Dual-Band Circularly Polarized Antenna with Shared Aperture for Satellite-Assisted Internet of Things Communications

Sun, Z Lv, X Zhu, X Liang, Z Yang, Y

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Publisher:: Institute of Electrical and Electronics Engineers (IEEE)
Publication Type:: Journal Article
Citation:: IEEE Internet of Things Journal, 2024, PP, (99), pp. 1-1
Issue Date:: 2024-01-01

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Field	Value	Language
dc.contributor.author	Sun, Z
dc.contributor.author	Lv, X
dc.contributor.author	Zhu, X
dc.contributor.author	Liang, Z
dc.contributor.author	Yang, Y https://orcid.org/0000-0001-7439-2156
dc.date.accessioned	2025-01-03T02:33:21Z
dc.date.available	2025-01-03T02:33:21Z
dc.date.issued	2024-01-01
dc.identifier.citation	IEEE Internet of Things Journal, 2024, PP, (99), pp. 1-1
dc.identifier.issn	2327-4662
dc.identifier.issn	2327-4662
dc.identifier.uri	http://hdl.handle.net/10453/182937
dc.description.abstract	A low-profile and dual-wideband circularly polarized shared aperture antenna is demonstrated for Satellite-Assisted Internet of Things (SATA-IoT) communications. It comprises an X-band antenna and a 4×4 Ka-band antenna array, both Magnetoelectric (ME) dipole structures with complementary structures, and only have 0.08λlow thickness. Four mesh-structure dipole arms are utilized for the X-band antenna to integrate the X/Ka band antenna into the limited aperture while maintaining good isolation. Meanwhile, stubs and a Sequential Rotation Feeding (SRF) network are adopted to improve the Axial Ratio (AR) performance of the two antennas, respectively. The measured results indicate that the antenna achieves an overlapped bandwidth (\|S11\|< -10 dB, AR < 3) of 10.8% (8.7-9.7 GHz) and 29.32% (25.73-34.57 GHz), with isolations greater than 20 dB in both bands. The measured peak realized gains are 8.9 dBi and 15 dBi, respectively. The proposed antenna realized exceptional low-profile and dual-wideband CP performance, making it a promising candidate for SATA-IoT communications.
dc.language	en
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation.ispartof	IEEE Internet of Things Journal
dc.relation.isbasedon	10.1109/JIOT.2024.3500365
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0805 Distributed Computing, 1005 Communications Technologies
dc.subject.classification	40 Engineering
dc.subject.classification	46 Information and computing sciences
dc.title	A Dual-Band Circularly Polarized Antenna with Shared Aperture for Satellite-Assisted Internet of Things Communications
dc.type	Journal Article
utslib.citation.volume	PP
utslib.for	0805 Distributed Computing
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/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2025-01-03T02:33:18Z
pubs.issue	99
pubs.publication-status	Published
pubs.volume	PP
utslib.citation.issue	99

Abstract:

A low-profile and dual-wideband circularly polarized shared aperture antenna is demonstrated for Satellite-Assisted Internet of Things (SATA-IoT) communications. It comprises an X-band antenna and a 4×4 Ka-band antenna array, both Magnetoelectric (ME) dipole structures with complementary structures, and only have 0.08λlow thickness. Four mesh-structure dipole arms are utilized for the X-band antenna to integrate the X/Ka band antenna into the limited aperture while maintaining good isolation. Meanwhile, stubs and a Sequential Rotation Feeding (SRF) network are adopted to improve the Axial Ratio (AR) performance of the two antennas, respectively. The measured results indicate that the antenna achieves an overlapped bandwidth (|S11|< -10 dB, AR < 3) of 10.8% (8.7-9.7 GHz) and 29.32% (25.73-34.57 GHz), with isolations greater than 20 dB in both bands. The measured peak realized gains are 8.9 dBi and 15 dBi, respectively. The proposed antenna realized exceptional low-profile and dual-wideband CP performance, making it a promising candidate for SATA-IoT communications.

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http://hdl.handle.net/10453/182937