A Wide-Beam Metasurface Antenna Using Pattern Combination of Characteristic Modes

Authors

  • Shizhe Zhao State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Xiuping Li Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing 100816, China
  • Yongxin Chen Beijing Key Laboratory of Work Safety Intelligent Monitoring, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Wenyu Zhao School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Zihang Qi

DOI:

https://doi.org/10.13052/2022.ACES.J.370105

Keywords:

Beamwidth, Characteristic Modes, Wide-beam Antennas

Abstract

In this paper, a new method based on characteristic mode analysis for designing wide-beam antennas is proposed. According to theory of characteristic modes, the total radiation pattern is the linear combination of modal currents. The phase of the excitation coefficient is demonstrated to be the characteristic angle. To get a wide-beam pattern, a fundamental mode and an even mode are selected to be excited and combined. The method is verified by the proposed antenna. First, two modes are selected based on characteristic mode analysis. Then the modes are excited separately using different feeding networks. Lastly, a 1-to-3 power divider is proposed to combine the feeding networks. The proposed antenna has a 3-dB beamwidth of over 200∘ in both 45∘ and 135∘ planes. The results have shown that the proposed antenna is suitable for a wide range of detection applications.

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Author Biographies

Shizhe Zhao, State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China

Shizhe Zhao received the B.S. degree in communication engineering from the Beijing University of Posts and Telecommunications, Beijing, China, in 2019. He is currently working toward the M.S. degree in electronic engineering from the Beijing University of Posts and Telecommunications.

His research interests include but not limited to theory of characteristic modes and millimeter wave antennas.

Xiuping Li, Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing 100816, China

Xiuping Li received the B.S. degree from Shandong University, Jinan, China, in 1996 and the Ph.D. degree from the Beijing Institute of Technology, Beijing, China,in 2001.

From 2001 to 2003, she was with the Positioning and Wireless Technology Center, Nanyang Technological University, Singapore, where she was a Research Fellow and involved in the research and development of RFID system. In 2003, she was a Research Professor with Yonsei University, Seoul, South Korea. Since 2004, she has been with the Beijing University of Posts and Telecommunications, Beijing, China, as an Associate Professor and was promoted to Professorin 2009.

Dr. Li has been selected into the New Century Excellent Talents Support Plan in National Ministry of Education and the Beijing Science and Technology Nova Support Plan in 2007 and 2008, respectively. She won the second prize of the Progress in Science and Technology of China Institute of Communications and the Excellent Achievements in Scientific Research of Colleges and Universities in 2015 and 2018, respectively. She is the author of four books, over 100 journal and conference papers. She is also awarded more than 20 PRC patents. Her current research interests include millimeter-wave antennas, THz antennas, RFID systems, and MMIC design.

Yongxin Chen, Beijing Key Laboratory of Work Safety Intelligent Monitoring, Beijing University of Posts and Telecommunications, Beijing 100876, China

Yongxin Chen received the B.S. degree in electronic information science and technology from the Nanjing University of Aeronautics and Astronautics, Nanjing, China, in 2015. He is currently working toward the M.S. degree in electronic engineering with the Beijing University of Posts and Telecommunications, Beijing, China.

His current research interests include characteristic modes theory.

Wenyu Zhao , School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Wenyu Zhao received the B.S. degree from the Beijing University of Posts and Telecommunications, Beijing, China, in 2018. He is currently working toward the Ph.D. degree with the School of Electronic Engineering and the Beijing Key Laboratory of Work Safety Intelligent Monitoring, Beijing University of Posts and Telecommunications.

His current research interests include dual-polarized antennas, millimeter-wave antennas, and reflect array antennas.

Zihang Qi

Zihang Qi received the B.E. degree in electronic and information engineering from China Three Gorges University, Yichang, China, in 2013, and the Ph.D. degree in electronic science and technology from the Beijing University of Posts and Telecommunications, Beijing, China, in 2019.

He is currently an Associate Research Fellow with the Beijing University of Posts and Telecommunications. His current research interests include OAM antennas, millimeter-wave/THz antennas, and microwave filters.

Dr. Qi was a recipient of the 2018 National Scholarship of China for Doctoral Students.

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Published

2022-05-04

How to Cite

[1]
S. . Zhao, X. . Li, Y. . Chen, W. . Zhao, and Z. . Qi, “A Wide-Beam Metasurface Antenna Using Pattern Combination of Characteristic Modes”, ACES Journal, vol. 37, no. 1, pp. 41–49, May 2022.

Issue

2022: Vol 37 Iss 1

Section

Articles