Flat-topped Beams using Phase Compensation based on Low-profile Transmitarray

Authors

  • Hui Zhang The State Key Laboratory of Media Convergence and Communication, School of Information and Communication Engineering, Communication University of China, Beijing 100024 China
  • Tianhang Lan The State Key Laboratory of Media Convergence and Communication, School of Information and Communication Engineering, Communication University of China, Beijing 100024 China
  • Shan Zhao Beijing Institute of Graphic Communication, Beijing 102600, China
  • Qingqi He School of Electronic Engineering, Guangxi University of Science and Liuzhou 545006, China
  • Zengrui Li The State Key Laboratory of Media Convergence and Communication, School of Information and Communication Engineering, Communication University of China, Beijing 100024 China

DOI:

https://doi.org/10.13052/2023.ACES.J.380605

Keywords:

beam forming, flat-topped beams, horn antenna, low-profile, meta-surface, transmitarray

Abstract

This paper proposes a method to add an additional phase compensation to conventional phased arrays to achieve flat-topped beam forming, which can convert the spherical waves emitted by common conical horn antennas into cylindrical flat-topped beams, at the same time, there is also a certain power enhancement. A centrosymmetric unit composed of four layers of F4B and metal patches is designed. By changing the value of the parameters, a 360∘ phase change can be achieved, and it has the advantages of small size and low-profile. To validate the design concept, a prototype of the transmitarray (TA) was designed, fabricated, and measured by calculating the phase distribution of the front. The measurement results show that the designed TA can achieve flat-topped beams at 5.2GHz, the maximum gain is 1.15dB higher than that of the horn antenna, and the flat-topped range is about ±10∘. The results are in good agreement with the simulation within the test range.

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Author Biographies

Hui Zhang, The State Key Laboratory of Media Convergence and Communication, School of Information and Communication Engineering, Communication University of China, Beijing 100024 China

Hui Zhang received the Ph.D. degree in Communication and Information System from Beijing Jiaotong University, Beijing, China, in 2009. She is currently a Professor with the Communication University of China, Beijing. Her research interests include the areas of finite-difference time-domain (FDTD) methods, electromagnetic scattering, and microstrip antenna arrays.

Tianhang Lan, The State Key Laboratory of Media Convergence and Communication, School of Information and Communication Engineering, Communication University of China, Beijing 100024 China

Tianhang Lann received the B.Eng. degree in Communication Engineering from the Communication University of China, Beijing, China, in 2021. His current research interests include analysis and design of transmitarray antennas.

Shan Zhao, Beijing Institute of Graphic Communication, Beijing 102600, China

Shan Zhao received the Ph.D degree from the School of Communication and Information System, Communication University of China, Beijing, China, in 2013. She is currently a lecturer at Beijing Institute of Graphic Communication, China. Her research interests include integral equation and frequency selective surface.

Qingqi He, School of Electronic Engineering, Guangxi University of Science and Liuzhou 545006, China

Qingqi He received the bachelor’s degree in Electrical Engineering from Henan Polytechnic University, Jiaozuo, China in 2020. His current research interests include metasurfaces and their antenna applications.

Zengrui Li, The State Key Laboratory of Media Convergence and Communication, School of Information and Communication Engineering, Communication University of China, Beijing 100024 China

Zengri Lib received the B.S. degree in Communication and Information System from Beijing Jiaotong University, Beijing, China, in 1984, the M.S. degree in Electrical Engineering from the Beijing Broadcast Institute, Beijing, in 1987, and the Ph.D. degree in Electrical Engineering from Beijing Jiaotong University in 2009. He is currently a Professor with the Communication University of China, Beijing. He studied at Yokohama National University, Yokohama, Japan, from 2004 to 2005. His research interests include the areas of finite-difference time-domain (FDTD) methods, electromagnetic scattering, metamaterials, and antennas.

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Published

2023-06-30

How to Cite

[1]
H. . Zhang, T. . Lan, S. . Zhao, Q. . He, and Z. . Li, “Flat-topped Beams using Phase Compensation based on Low-profile Transmitarray”, ACES Journal, vol. 38, no. 06, pp. 409–415, Jun. 2023.

Issue

2023: Vol 38 Iss 6

Section

General Submission

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