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CLC number: TN823
On-line Access: 2025-05-06
Received: 2023-10-31
Revision Accepted: 2024-03-20
Crosschecked: 2025-05-06
Cited: 0
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Citations: Bibtex RefMan EndNote GB/T7714
A parasitic coupling network concept for mutual coupling utilization in wideband multielement antenna arrays
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Xiaojun ZOU, Guangming WANG, Yawei WANG, Wei SONG, Hang ZHU, Ming TAN, Xuguang XU, Guoqin KANG, Binfeng ZONG. A parasitic coupling network concept for mutual coupling utilization in wideband multielement antenna arrays[J]. Frontiers of Information Technology & Electronic Engineering, 2025, 26(4): 652-670.
@article{title="A parasitic coupling network concept for mutual coupling utilization in wideband multielement antenna arrays",
author="Xiaojun ZOU, Guangming WANG, Yawei WANG, Wei SONG, Hang ZHU, Ming TAN, Xuguang XU, Guoqin KANG, Binfeng ZONG",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="26",
number="4",
pages="652-670",
year="2025",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2300742"
}
%0 Journal Article
%T A parasitic coupling network concept for mutual coupling utilization in wideband multielement antenna arrays
%A Xiaojun ZOU
%A Guangming WANG
%A Yawei WANG
%A Wei SONG
%A Hang ZHU
%A Ming TAN
%A Xuguang XU
%A Guoqin KANG
%A Binfeng ZONG
%J Frontiers of Information Technology & Electronic Engineering
%V 26
%N 4
%P 652-670
%@ 2095-9184
%D 2025
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2300742
TY - JOUR
T1 - A parasitic coupling network concept for mutual coupling utilization in wideband multielement antenna arrays
A1 - Xiaojun ZOU
A1 - Guangming WANG
A1 - Yawei WANG
A1 - Wei SONG
A1 - Hang ZHU
A1 - Ming TAN
A1 - Xuguang XU
A1 - Guoqin KANG
A1 - Binfeng ZONG
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 26
IS - 4
SP - 652
EP - 670
%@ 2095-9184
Y1 - 2025
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.2300742
Abstract: A novel approach to widening the active reflection coefficient (ARC) bandwidth of an antenna array, employing a parasitic coupling network (PCN), is investigated in this article. Different from traditional tightly coupled arrays adopting space structures for enhancing the coupling in balanced-excitation antennas, a PCN derived from rigorous formulas is employed in the feeding lines of unbalanced-excitation ones. Based on network analysis, the mutual coupling utilization condition for an (M×N)-element antenna array is initially deduced, and the PCN is implemented. Then, the PCNs are realized by introducing a parasitic element and a coupling network between the two-element H-plane and E-plane dual-layer coupled microstrip antenna arrays, resulting in 10.9% and 30.8% bandwidth enhancements compared with the original arrays, respectively. Moreover, the PCNs are further expanded to multielement antenna arrays, including three- and five-element one-dimensional and 8×2 two-dimensional arrays, exhibiting approximately 40% overlapped ARC bandwidths with normal radiation patterns, steady gains, and applicable scanning characteristics. The results indicate its potential application in large-scale wideband arrays.
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