JZUS - Journal of Zhejiang University SCIENCE

Frontiers of Information Technology & Electronic Engineering

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A parasitic coupling network concept for mutual coupling utilization in wideband multielement antenna arrays^*#

Author(s): Xiaojun ZOU, Guangming WANG, Yawei WANG, Wei SONG, Hang ZHU, Ming TAN, Xuguang XU, Guoqin KANG, Binfeng ZONG
Affiliation(s): College of Information and Communication, National University of Defense Technology, Wuhan 430035, China; more
Corresponding email(s): zouxj0606@163.com, zongbinfeng@163.com
Key Words: Active reflection coefficient (ARC); Antenna array; Parasitic coupling network (PCN); Scanning array; Wideband

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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,in press.https://doi.org/10.1631/FITEE.2300742

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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",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/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
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%@ 2095-9184
%D in press
%I Zhejiang University Press & Springer
doi="https://doi.org/10.1631/FITEE.2300742"

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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
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EP -
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Y1 - in press
PB - Zhejiang University Press & Springer
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doi="https://doi.org/10.1631/FITEE.2300742"

Abstract
Chinese Summary
Academic Network
Reviewer Comment

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 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 a network analysis, the mutual coupling utilization condition for an (M×N)-element antenna array is initially deduced, and the PCN is implemented. Then, the PCN is realized by introducing a parasitic element and a coupling network between both 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 PCN is further expanded to multielement antenna arrays, including three- and five-element one-dimensional and 8×2 two-dimensional arrays, all exhibiting ~40% overlapped ARC bandwidths with normal radiation patterns, steady gains, and applicable scanning characteristics. The results indicate its potential application in wideband large-scale arrays.

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