Miniaturized Wideband Circularly Polarized Triangular Patch Antennas based on Characteristic Mode Analysis

Authors

  • Tian-Long Yang College of Electronics and Information Engineering Shenzhen University, Shenzhen, 518060, China
  • Xiao Zhang College of Electronics and Information Engineering Shenzhen University, Shenzhen, 518060, China
  • Qiong-Sen Wu School of Integrated Circuits Guangdong University of Technology, Guangzhou, 510006, China
  • Tao Yuan College of Electronics and Information Engineering Shenzhen University, Shenzhen, 518060, China

DOI:

https://doi.org/10.13052/2023.ACES.J.381005

Keywords:

Antenna miniaturization, characteristic mode analysis, circularly polarized patch antennas, triangular patches, wideband patch antennas

Abstract

A miniaturized, wideband circularly polarized (CP) antenna based on coupled triangular patches is presented. Initially, two identical triangular patches with shorting pins are placed close to each other in a perpendicular orientation. Hence, a pair of orthogonal modes can be produced based on the coupled resonators. Under the characteristic mode analysis (CMA), it can be found that the 90∘ phase difference is achieved by modulating gap distance and shorting pins numbers. Both the shape of triangle patches and shorting pins contribute to the miniaturization. To further improve the AR bandwidth, a third patch is added to form a new mode. Thanks to the triple modes produced by the three patch elements, two AR minima are constructed to broaden the AR bandwidth. With this compact arrangement and shorting pins, a miniaturized wideband CP patch antenna with a 5.2% AR bandwidth is successfully implemented. The overall size of the antenna is merely 0.34λ0×0.33λ0×0.046λ0.

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Author Biographies

Tian-Long Yang, College of Electronics and Information Engineering Shenzhen University, Shenzhen, 518060, China

Tian-Long Yang was born in Zhanjiang, Guangdong, China. He received the B.Eng. degree in electronic and information engineering from Shenzhen University, Shenzhen, China, in 2021. He is currently pursuing the M.Eng. degree in communication engineering with Shenzhen University, Shenzhen, China.

His current research interests include circularly polarized antennas and terminal antennas.

Xiao Zhang, College of Electronics and Information Engineering Shenzhen University, Shenzhen, 518060, China

Xiao Zhang (S’15-M’18) was born in Gaozhou, Guangdong, China. He received the B.Eng. degree in information engineering and the M.Eng. degree in communication and information systems from the South China University of Technology, Guangzhou, China, in 2011 and 2014, respectively, and the Ph.D. degree in electrical and computer engineering from University of Macau, Macau, SAR, China, in 2017.

From September 2012 to August 2014, he was a research assistant with Comba Telecom Systems Limited, Guangzhou, China. From January 2018 to March 2018, he was a research fellow with the Antenna and Electromagnetic-Wave Laboratory in University of Macau, Macau, SAR, China. In 2018, he joined the College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China, where he is currently an associate professor. His research interests include high-gain antennas, wideband antennas, circularly-polarized antennas, terminal antennas, filtering antennas, reflectarray, and characteristic mode analysis.

Dr. Zhang was the recipient of the Scientific and Technological R&D Award for Postgraduates of Macau in 2018. He was recognized as the Shenzhen Overseas High Caliber Personnel Level C in 2018. He was recognized as a Top 2% Scientist in 2019 and 2022 by Elsevier. He also serves as a reviewer for several journals, including the IEEE Transactions on Antennas and Propagation and the IEEE Antennas and Wireless PropagationLetters.

Qiong-Sen Wu, School of Integrated Circuits Guangdong University of Technology, Guangzhou, 510006, China

Qiong-Sen Wu received the B.Eng. degree in information engineering and the M.Eng. degree in electromagnetism and microwave engineering from South China University of Technology, Guangzhou, China, in 2011 and 2014, respectively, and the Ph.D. degree in electrical and computer engineering from the University of Macau, Macau, SAR, China, in 2018.

He joined the Antenna and Electromagnetic-Wave Laboratory in University of Macau, Macau, SAR, China, as a research fellow in May 2018. He is currently an associate professor with the School of Integrated Circuits, Guangdong University of Technology. His current research interests include microwave circuits and planar antennas with improved functionalities. He also serves as a reviewer for several journals, including the IEEE Transactions on Antennas and Propagation and the IEEE Transactions on Microwave Theory and Techniques.

Tao Yuan, College of Electronics and Information Engineering Shenzhen University, Shenzhen, 518060, China

Tao Yuan (M’19) received the B.E. degree in electronic engineering and the M.E. degree in signal and information processing at Xidian University, Xi’an, Shaanxi, China, in 1999 and 2003, respectively, and the Ph.D. degree in electrical and computer engineering at National University of Singapore, Singapore, in 2009.

He was a visiting scholar at University of Houston (2007-2008). He is now a distinguished professor (2016-till now) with the College of Electronics and Information Engineering at Shenzhen University, Shenzhen, Guangdong, China. He is the director of the Guangdong Provincial Mobile Terminal Microwave and Millimeter-Wave Antenna Engineering Research Center and the deputy director of the Guangdong-Hong Kong Joint Laboratory for Big Data Imaging and Communication. He is a visiting professor (2021–till now) at Chongqing University, China, and an adjunct professor (2021–till now) at Fudan University, China. He is leading a group of over 70 members performing fundamental and application studies in the areas of RF/microwave/millimeter-wave frontend devices, antennas, ICs, and advanced manufacturing techniques for microwaves and microelectronics. He has PIed/co-PIed over 20 governmental and entrepreneurial research projects on 5G MIMO antennas (arrays), transmission lines, and packaged antennas for smart IoT/mobile terminals. His current research interests include design and implementation of novel RF frontend chips/modules and integrated devices/antennas/circuits for 5G/6G applications. He has advised over 40 graduate students and has authored/co-authored over 150 international journal and conference publications. He holds over 100 licensed CN patents. He has co-authored 2 books: Antenna Design for 5G Mobile Terminals (Posts & Telecom Press, 2021) and Practical Design and Development of FPGA—Based on Xilinx and Verilog HDL (Publishing House of Electronics Industry, 2023).

Dr. Yuan is a member of the IEEE Antennas and Propagation Society, IEEE Microwave Theory and Techniques Society, and the China Communications Standards Association. He is a senior member of the Chinese Institute of Electronics (CIE) and the China Institute of Communications (CIC). He serves as a reviewer for several international journals and conferences and serves as a guest editor for Coatings. He is the organizing committee member of APMC2020, Mar-For (2021, 2022) (TPC Member), and CSRSWTC2021 (General Chair). He serves as a consultant for several research institutions and ICT companies in China. He received numerous teaching, entrepreneurial, and talent awards in China. He is the recipient of the Outstanding Individual Award (2018), the Outstanding Graduate Student Advisor (2021), the Excellent Undergraduate Thesis Instructor (2022), and the Undergraduate Teaching Outstanding Contribution Award (2022) from Shenzhen University and the co-recipient of the CIC Science and Technology Second Place Award (2020) and the Excellent Teaching Management Team of Tencent Team Award (2022). His students and group members have received over 150 scholarships/awards in China and international conferences, including the CSRSWTC2021 Best Paper Award and the IEEE RWW2022 student paper competition finalist.

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Published

2023-10-31

How to Cite

[1]
T.-L. Yang, X. Zhang, Q.-S. Wu, and T. Yuan, “Miniaturized Wideband Circularly Polarized Triangular Patch Antennas based on Characteristic Mode Analysis”, ACES Journal, vol. 38, no. 10, pp. 783–791, Oct. 2023.

Issue

2023: Vol 38 Iss 10

Section

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