Wideband Center-fed Stacked Patch Circularly Polarized Antenna used in Phased Array

Authors

  • Jiaxin Wang 1) Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China 2) School of Electronic, Electrical and Communication Engineering University of Chinese Academy of Sciences, Beijing, 100190, China
  • Xiao Liu Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China
  • Pengfei Zhang Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China
  • Zheng Xu Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China
  • Anqi Li Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China
  • Zhengtian Chen Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China
  • Jin Fan Beijing Institute of Control and Electronic Technology Beijing, 100074, China

DOI:

https://doi.org/10.13052/2023.ACES.J.381004

Keywords:

center-fed, stacked patch, unit in phased array, wideband circularly polarized antenna

Abstract

A center-fed circularly polarized stacked patch antenna (CF-CPSPA) with enhanced axial-ratio (AR) bandwidth is proposed in this paper. The antenna is composed of two microstrip patches, the lower patch consists of a circular pad, an elliptical-ring, and two branch lines connecting them, which is used to realize the center-fed condition, and the upper patch is an elliptical patch to achieve the wide band performance. Firstly, two center-fed linearly polarized stacked patch antennas with wide band are designed, one mode radiated with x polarization, and the other generates y polarized radiation. Next, the orthogonal modes of two linearly polarized antennas are combined together by a specific design. Finally, the approximate equal amplitude and quadrature phase difference of the introduced modes are achieved in the operating frequency band with proper parameters analysis. And the impedance bandwidth and 3dB AR bandwidth is improved to 30.4% and 16.5%.

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Author Biographies

Jiaxin Wang, 1) Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China 2) School of Electronic, Electrical and Communication Engineering University of Chinese Academy of Sciences, Beijing, 100190, China

Jiaxin Wang was born in Benxi, Liaoning. He received the B.S. degree in electronical information science and technology from Tsinghua University, Beijing, China, in 2021. He is currently working toward the M.S. degree in electromagnetic field and microwave technology with the School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China.

His research interests include antenna theory and design, especially in circularly polarized antennas.

Xiao Liu, Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China

Xiao Liu received the M.S. degree from Beijing Institute of Technology, Beijing, China, in 2009 and the Ph.D. degree from the University of Chinese Academy of Sciences, Beijing, China, in 2023. Xiao Liu has been involved in the research and engineering implementation of active phased array antennas and integrated process technology.

Pengfei Zhang, Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China

Pengfei Zhang received the B.Eng. degree and Ph.D. degree from the University of Electronic Science and Technology of China, Chengdu, China, in 2015 and 2021. Since 2022, he has been a postdoctoral and research assistant in Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China. His research interests include planer leaky-wave antennas and active phased array antennas.

Zheng Xu, Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China

Zheng Xu received the B.S. degree and M.S. degree from Beijing Institute of Technology, Beijing, China, in 2006 and 2008. He received the Ph.D. degree from University of Chinese Academy of Sciences, Beijing, China. His research interests focus on digital phased array antenna technology, intelligent integrated microsystems, and multi-functional radar systems.

Anqi Li, Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China

Anqi Li was born in Hunan, China, in 1994. He received the M.S. degree from the school of Electronics and Imformation Engineering, Beihang University, Beijing, China, in 2019. His current research interests include phased arrays design and measurement.

Zhengtian Chen, Aerospace Information Research Institute Chinese Academy of Sciences, Beijing, 100190, China

Zhengtian Chen received the M.S. degree from University of Electronic Science and Technology of China, Chengdu, China, in 2020. Zhengtian Chen has extensively participated in the research and engineering applications of active phased array antennas and T/R modules.

Jin Fan, Beijing Institute of Control and Electronic Technology Beijing, 100074, China

Fan Jin was born in Lichuan, Hubei. He received the Ph.D. degree in communication and information systems from the Graduate School of China Academy of Sciences, Beijing, China, in 2010. At present, he is the senior engineer in Beijing Institute of Control and Electronic Technology of CASIC, mainly engaged in communication system design. His research interests include communication system engineering and antenna array signal processing.

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Published

2023-10-31

How to Cite

[1]
J. Wang, “Wideband Center-fed Stacked Patch Circularly Polarized Antenna used in Phased Array”, ACES Journal, vol. 38, no. 10, pp. 774–782, Oct. 2023.

Issue

2023: Vol 38 Iss 10

Section

Mode-inspired antennas/circuits for 5G/6G applications

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