Wideband Simultaneous Dual Circularly Polarized Phased Array Subarray with Scalable Characteristics for Satellite Communications

Authors

  • Yunqi Zhang School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Jiateng Chen School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Xuping Li School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Rui Yang School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Qizheng Zhao School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Xueyan Song School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Wenjia Zhou School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China

DOI:

https://doi.org/10.13052/2024.ACES.J.390310

Keywords:

Modular, phased array, simultaneous dual circular polarization, wideband

Abstract

This paper proposes a budget-friendly, highly integrated, and low-profile wideband simultaneous dual circularly polarized phased array subarray with scalable characteristics for satellite communications. In order to achieve wideband, the antenna unit is not only fed by double-fed point probe contact, but also by electromagnetic coupling. Moreover, the dual circularly polarized radiation of the antenna unit is realized by a miniaturized 3 dB bridge-type phase-shift network. In addition, the phased array subarray uses metalized vias to reduce inter-element crosstalk, which effectively improves the active voltage standing wave ratio (VSWR) and beam steering characteristics. Also, the subarray has interchangeability and versatility, enabling convenient two-dimensional expansion to form a tile-type phased array antenna. Besides, the phased array subarray can be used to achieve two-dimensional ±40∘ beam scanning in both the azimuth and elevation planes. Within ±40∘ beam scanning, the active VSWR of the subarray is less than 2.5 in 9.55 - 14.35 GHz (40.17%). At 12.1 GHz, the two-dimensional gain decreases by less than 2.1 dB and 1.95 dB, respectively. The proposed antenna exhibits good performance in terms of matching and beam steering characteristics, which make it suitable for use in future 5G/6G phased array antenna systems.

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Author Biographies

Yunqi Zhang, School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China

Yunqi Zhang was born in BaoTou, Inner Mongolia, China. He received the master’s degree and the Ph.D. degree in micro-electronics from Xidian University in 2012 and 2015, respectively. He is currently working in the Xi’an University of Posts & Telecommunications. His research interests include CP antennas, OAM, omnidirectional antennas, and phase array antennas.

Jiateng Chen, School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China

Jiateng Chen is with the School of Electronic Engineering, Xi’an University of Posts & Telecommunications, Xi’an 710121, China. His main research interests include phased array antennas and CP antennas.

Xuping Li, School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China

Xuping Li was born in Xi’an, Shanxi, China in 1981. He received the Ph.D. degree in electromagnetic fields and microwave technology from Xidian University, Xi’an, China, in 2015. His research interests are antenna theory and engineering.

Rui Yang, School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China

Rui Yang is with the School of Electronic Engineering, Xi’an University of Posts & Telecommunications, Xi’an 710121, China. Her main research interests are array antennas and vortex electromagnetic waves.

Qizheng Zhao, School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China

Qizheng Zhao is with the School of Electronic Engineering, Xi’an University of Posts & Telecommunications, Xi’an 710121, China. His current research interests are signal processing and CP antennas.

Xueyan Song, School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China

Xueyan Song was born in Henan Province, China, 1989. She received the Ph.D. degree from Xidian University in 2018. Her research interests include artificial magnetic conductors, low RCS antennas, low-profile antennas, frequency selective surfaces, and reflector antennas.

Wenjia Zhou, School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China

Wenjia Zhou was born in Xi’an, Shanxi, China in 1986. She received the Ph.D. degree in control science and engineering from Northwestern Polytechnical University, Xi’an, China, in 2017. Her main research interests are antenna theory and engineering, and microwave signal delay and simulation.

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Published

2024-03-31

How to Cite

[1]
Y. Zhang, “Wideband Simultaneous Dual Circularly Polarized Phased Array Subarray with Scalable Characteristics for Satellite Communications”, ACES Journal, vol. 39, no. 03, pp. 246–253, Mar. 2024.

Issue

2024: Vol 39 Iss 3

Section

General Submission

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