A Beam-Steering Broadband Microstrip Antenna with High Isolation

JIANG Zhaoneng; SHA Yongxin; NIE Liying; XUAN Xiaofeng

doi:10.23919/cje.2021.00.452

Volume 32 Issue 2

Mar. 2023

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Article Navigation > Chinese Journal of Electronics > 2023 > 32(2): 325-333

JIANG Zhaoneng, SHA Yongxin, NIE Liying, et al., “A Beam-Steering Broadband Microstrip Antenna with High Isolation,” Chinese Journal of Electronics, vol. 32, no. 2, pp. 325-333, 2023, doi: 10.23919/cje.2021.00.452

Citation:

JIANG Zhaoneng, SHA Yongxin, NIE Liying, et al., “A Beam-Steering Broadband Microstrip Antenna with High Isolation,” Chinese Journal of Electronics, vol. 32, no. 2, pp. 325-333, 2023, doi: 10.23919/cje.2021.00.452

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A Beam-Steering Broadband Microstrip Antenna with High Isolation

doi: 10.23919/cje.2021.00.452

1.
School of Computer and Information, Hefei University of Technology, Hefei 230031, China
2.
School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei 230031, China

Funds: This work was supported by the Enterprise Entrusted Project (W2021JSKF0153, W2020JSFW0112) and the Hefei University of Technology Teacher Program, China (JZ2019HGTB0093).

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Author Bio:
Zhaoneng JIANG was born in Xuancheng, China. He received the Ph.D. degree from Nangjing University of Science and Technology, Nanjing, China, in 2012. Since 2013, he has worked on the numerical method of computational electromagnetism. He is currently a Professor with the Hefei University of Technology, Hefei, China. He has authored or coauthored more than 90 papers in refereed international conferences and journals and has served as Program Committee Member in several international conferences. Currently, he is focusing on antenna and microwave device. (Email: jiangzhaoneng@hfut.edu.cn)

Yongxin SHA was born in Anhui Province, China, in 1996. He received the B.S. degree from Guangdong University of Technology, Guangzhou, China, in 2020. He is currently working towards the M.E. degree in electronic science and applied physics from Hefei University of Technology, Hefei, China. He is currently focusing on antenna and microwave device design. (Email: sha921937992@163.com)

Liying NIE (corresponding author) was born in Shandong Province, China, in 1990. She received the Ph.D. degree from University of Electronic Science and Technology of China. She is focusing on theory and design of the microwave and millimeter wave antenna. (Email: liyingnie@sina.com)

Xiaofeng XUAN was born in Anhui Province, China, in 1975. He received the M.S. degree from Nanjing University, China. He is focusing on numerical method of computational electromagnetism. (Email: 941067868@qq.com)
Received Date: 2021-12-26
Accepted Date: 2022-05-27

Available Online: 2022-07-11

Publish Date: 2023-03-05

Abstract

Abstract

In this paper, a 4.2–7.2 GHz (52.6%) beam-steering microstrip antenna was proposed. The proposed antenna consists of three tapered slots and feeds. The three radiation directions of the antenna on the plane are independent of each other, and the three feeds correspond to the three radiation structures. Symmetry isolation trenches are introduced to improve isolation between different ports. Radiation pattern simulation and measurement show horizontal beam steering at the sampled frequencies of 4.2, 5, 6, and 7.2 GHz. The results shows that the overlapped beam of the three ports in the E-plane and H-plane can cover more than 200 degrees and 60 degrees, respectively. Apart from the capability of beam-steering, high isolation (more than 28 dB) of the proposed antenna in the operating band is obtained.
- Wideband,
- Beam-steering,
- Tapered slot,
- Isolation,
- Multi-feed

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References(24)

References

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