Design of wide-scanning array with reactive splitter network and metasurface

doi:10.23919/JSEE.2024.000005

Journal of Systems Engineering and Electronics ›› 2025, Vol. 36 ›› Issue (2): 323-332.doi: 10.23919/JSEE.2024.000005

• ELECTRONICS TECHNOLOGY • Previous Articles

Design of wide-scanning array with reactive splitter network and metasurface

Haiying LUO(), Fulong JIN(), Xiao DING(), Wei SHAO()

School of Physics, University of Electronic Science and Technology of China, Chengdu 611731, China

Received:2023-05-31 Accepted:2024-01-16 Online:2025-04-18 Published:2025-05-20
Contact: Wei SHAO E-mail:hyluo@std.uestc.edu.cn;jinfulong_uestc@163.com;xding@uestc.edu.cn;weishao@uestc.edu.cn
About author:
LUO Haiying was born in 1994. He received his B.S. degree from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2017. He is currently pursuing his Ph.D. degree in radio physics in UESTC. His current research interests are antenna design and computational electromagnetics. E-mail: hyluo@std.uestc.edu.cn

JIN Fulong was born in 1992. He received his B.E. degree in electronic information science and technology from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2016. He is currently pursuing his Ph.D. degree in UESTC. His current research interests include antenna theory and engineering and phased arrays. E-mail: jinfulong_uestc@163.com

DING Xiao was born in 1982. He received his Ph.D. degree in radio physics from University of Electronic Sience and Technology of China (UESTC), Chengdu, China, in 2013. In 2013, he was a research assistant with the Department of Electrical and Computer Engineering, South Dakota School of Mines and Technology, SD, USA. From June 2016 to June 2017, he was a visiting scholar with the Applied Electromagnetics Laboratory, University of Houston, TX, USA. He is currently a full professor at the Institute of Applied Physics, UESTC, Chengdu, China. His research interests include phased array antenna, frequency selective surface radomes, and neural networks for electromagnetic device design. E-mail: xding@uestc.edu.cn

SHAO Wei was born in 1975. He received his B.E. degree in electrical engineering from University Electronic Svience and Technology of China (UESTC) in 1998, and M.S. and Ph.D. degrees in radio physics from UESTC in 2004 and 2006, respectively. He joined UESTC in 2007 and is now a professor there. From 2010 to 2011, he was a visiting scholar in the Electromagnetic Communication Laboratory, Pennsylvania State University, State College, PA. From 2012 to 2013, he was a visiting scholar in the Department of Electrical and Electronic Engineering, University of Hong Kong. His research interests include computational electromagnetics and antenna design. E-mail: weishao@uestc.edu.cn
Supported by:
This work was supported by Sichuan Science and Technology Programs (2022NSFSC0547; 2022ZYD0109) and the 2020 Open Foundation of Key Laboratory of Cognitive Radio and Information Processing, Ministry of Education (Guilin University of Electronic Technology) (CRKL200201).

Abstract

Abstract:

In this paper, the reactive splitter network and metasurface are proposed to radiate the wide-beam isolated element pattern and suppress mutual coupling (MC) of the low-profile phased array with the triangular lattice, respectively. Thus, broadband wide-angle impedance matching (WAIM) is implemented to promote two-dimensional (2D) wide scanning. For the isolated element, to radiate the wide-beam patterns approximating to the cosine form, two identical slots backed on one substrate integrated cavity are excited by the feeding network consisting of a reactive splitter and two striplines connected with splitter output paths. For adjacent elements staggered with each other, with the metasurface superstrate, the even-mode coupling voltages on the reactive splitter are cancelled out, yielding reduced MC. With the suppression of MC and the compensation of isolated element patterns, WAIM is realized to achieve 2D wide-angle beam steering up to ± 65° in E-plane, ± 45° in H-plane and ± 60° in D-plane from 4.9 GHz to 5.85 GHz.

Key words: metasurface, phased array, reactive splitter, wide-angle impedance matching (WAIM)

Haiying LUO, Fulong JIN, Xiao DING, Wei SHAO. Design of wide-scanning array with reactive splitter network and metasurface[J]. Journal of Systems Engineering and Electronics, 2025, 36(2): 323-332.

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Design	Scanning range	\|Γ_active\|	Gain variation/dB
[3]	± 60° in azimuth planes	< 0.5	< 5
[8]	± 60° in E-plane and ± 55° in H-plane	< 0.33	< 4
[32]	± 40° in E-, H-, and D-plane	< 0.3	< 3
[14]	linear array, ± 60° in E-plane	< 0.33	< 3.5
[33]	linear array, ± 69° in H-plane	< 0.33	< 3
This work	± 65° in E-plane, ± 45° in H-plane, and ± 60° in D-plane	< 0.33	< 4

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Design of wide-scanning array with reactive splitter network and metasurface

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