JZUS - Journal of Zhejiang University SCIENCE

Frontiers of Information Technology & Electronic Engineering

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Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-band satellite communications

Author(s): Yuqi XIA^1-4, Xiupig LI^1-4, Genqiang KOU^1-4, Wenyu ZHAO^1-4, Jie ZHANG^1-4, Muhammad ISHFAQ^1-4, Zihang QI^†^‡^1-4
Affiliation(s): ¹State Key Laboratory of Information Photonics and Optical Communications, Beijing 100876, China; more
Corresponding email(s): qizihang@bupt.edu.cn
Key Words: High-ciency; Low-sidelobe; Slot antenna array; Tapered feeding network; Satellite communication; GWG antenna.

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Yuqi XIA^1-4, Xiupig LI^1-4, Genqiang KOU^1-4, Wenyu ZHAO^1-4, Jie ZHANG^1-4, Muhammad ISHFAQ^1-4, Zihang QI^†^‡^1-4. Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-band satellite communications[J]. Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/FITEE.2400709

@article{title="Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-band satellite communications",
author="Yuqi XIA^1-4, Xiupig LI^1-4, Genqiang KOU^1-4, Wenyu ZHAO^1-4, Jie ZHANG^1-4, Muhammad ISHFAQ^1-4, Zihang QI^†^‡^1-4",
journal="Frontiers of Information Technology & Electronic Engineering",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/10.1631/FITEE.2400709"
}

%0 Journal Article
%T Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-band satellite communications
%A Yuqi XIA^1-4
%A Xiupig LI^1-4
%A Genqiang KOU^1-4
%A Wenyu ZHAO^1-4
%A Jie ZHANG^1-4
%A Muhammad ISHFAQ^1-4
%A Zihang QI^†^‡^1-4
%J Frontiers of Information Technology & Electronic Engineering
%P
%@ 2095-9184
%D in press
%I Zhejiang University Press & Springer
doi="https://doi.org/10.1631/FITEE.2400709"

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T1 - Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-band satellite communications
A1 - Yuqi XIA^1-4
A1 - Xiupig LI^1-4
A1 - Genqiang KOU^1-4
A1 - Wenyu ZHAO^1-4
A1 - Jie ZHANG^1-4
A1 - Muhammad ISHFAQ^1-4
A1 - Zihang QI^†^‡^1-4
J0 - Frontiers of Information Technology & Electronic Engineering
SP -
EP -
%@ 2095-9184
Y1 - in press
PB - Zhejiang University Press & Springer
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doi="https://doi.org/10.1631/FITEE.2400709"

Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: A 3D-printed dual-band dual-polarization gap waveguide (GWG) slot antenna array for Ku-band satellite communications (SATCOMs) is presented in this paper. Two stacked GWGs excite the quasi-TE₄₂₀ and quasi-TE₂₄₀ modes in the cavity respectively through orthogonal slots. An unequal power divider with a large power division ratio is proposed based on a ridge gap waveguide(RGW). Two power tapering distribution networks are realized for dual polarizations, and the sidelobe level ( SLL ) is suppressed. The antenna is fabricated in parts by direct metal laser sintering (DMLS), and the whole antenna is obtained by screw assembly. The measured impedance bandwidth well covers both the transmitting band (Tx, from 14 GHz to 14.5 GHz ) and the receiving band ( Rx, from 12.25 GHz to 12.75 GHz ) required for Ku-band SATCOMs. Measurement results show that the maximum gain reaches 25.6 dBi, and the radiation effciency of the dual-band is ≥ 72%.

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