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On-line Access: 2025-06-04
Received: 2024-08-13
Revision Accepted: 2024-12-22
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Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-bandsatellite communications
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Yuqi XIA, Xiuping LI, Genqiang KOU, Wenyu ZHAO, Jie ZHANG, Muhammad ISHFAQ, Zihang QI. Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-bandsatellite communications[J]. Frontiers of Information Technology & Electronic Engineering, 2025, 26(8): 1501-1508.
@article{title="Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-bandsatellite communications",
author="Yuqi XIA, Xiuping LI, Genqiang KOU, Wenyu ZHAO, Jie ZHANG, Muhammad ISHFAQ, Zihang QI",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="26",
number="8",
pages="1501-1508",
year="2025",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2400709"
}
%0 Journal Article
%T Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-bandsatellite communications
%A Yuqi XIA
%A Xiuping LI
%A Genqiang KOU
%A Wenyu ZHAO
%A Jie ZHANG
%A Muhammad ISHFAQ
%A Zihang QI
%J Frontiers of Information Technology & Electronic Engineering
%V 26
%N 8
%P 1501-1508
%@ 2095-9184
%D 2025
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2400709
TY - JOUR
T1 - Three-dimensional-printed low-sidelobe dual-band dual-polarized antenna array for Ku-bandsatellite communications
A1 - Yuqi XIA
A1 - Xiuping LI
A1 - Genqiang KOU
A1 - Wenyu ZHAO
A1 - Jie ZHANG
A1 - Muhammad ISHFAQ
A1 - Zihang QI
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 26
IS - 8
SP - 1501
EP - 1508
%@ 2095-9184
Y1 - 2025
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.2400709
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 efficiency of the dual-band is >72%.
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