A V-Band Magnetoelectric Dipole Filtering Antenna Based on Rectangular Micro-Coaxial Lines

作者

  • Nan Wang Power Research Institute of State Grid Shaanxi Electric Power Corporation Limited Xi’an 710100, China
  • Ying Zhu School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China
  • Jing Wang State Grid Shaanxi Electric Power Corporation Limited Xi’an 710048, China
  • Xinjiang Liu State Grid Shaanxi Electric Power Corporation Limited Xi’an 710048, China
  • Chaoyu Feng State Grid Shaanxi Electric Power Co. Ltd. Ultra High Voltage Company Xi’an 710000, China
  • Xinzhan Cai Power Research Institute of State Grid Shaanxi Electric Power Corporation Limited Xi’an 710100, China
  • Xiaolan Zhang Power Research Institute of State Grid Shaanxi Electric Power Corporation Limited Xi’an 710100, China
  • Xuefeng Zhao Power Research Institute of State Grid Shaanxi Electric Power Corporation Limited Xi’an 710100, China
  • Wensen Wang Power Research Institute of State Grid Shaanxi Electric Power Corporation Limited Xi’an 710100, China
  • Guang Dai State Grid Shaanxi Electric Power Corporation Limited Xi’an 710048, China
  • Jiawei Yang State Grid Shaanxi Electric Power Co. Ltd. Information and Communication Company Xi’an 710000, China

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https://doi.org/10.13052/2026.ACES.J.410208

关键词:

Filter antenna, low-earth-orbit (LEO) satellite, magnetoelectric (ME) dipole antenna, V-band

摘要

A high-selectivity filtering magnetoelectric (ME) dipole antenna based on rectangular micro-coaxial lines (RMCLs) is presented, fabricated using micro-metal additive manufacturing (M-MAM) for V-band operation. The structure integrates two λ/4 resonators, one λ/2 resonator, and an ME dipole antenna, coupled through J/K-inverters realized as RMCL gaps and short-circuited stubs. Notably, while a standalone ME dipole inherently supports an impedance bandwidth over 30%, this design achieves a 5.04% operating bandwidth centered at 59.5 GHz after integrating filtering functionality. Simulations confirm a peak gain of 4.53 dBi within the passband, with cross-polarization consistently below −20 dB. A sharp gain roll-off to −10 dBi at 1.048f0 and 40 dB out-of-band suppression demonstrates exceptional frequency selectivity. Owing to inherent miniaturization, lightweight construction, and low-loss characteristics, the antenna exhibits significant potential for low-earth-orbit (LEO) satellite internet systems.

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Nan Wang received his M.Sc. degree in electromagnetic and microwave technology from Xidian University, Xi’an, China, in 2010. His current research interests include the research of operation and maintenance technology of power transmission and transformation equipment.

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Ying Zhu was born in Xi’an, China, in 1999. She received the B.Eng. degree in information engineering from Xi’an Jiaotong University, Xi’an, in 2021, where she is currently pursuing the master’s degree in electromagnetic field and microwave technology. Her research interests include the design of microwave passive components.

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Jing Wang received her master’s degree in software engineering from Xi’an Jiaotong University, Xi’an, China, in 2012. Her research interests include digital technology management and application.

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Xinjiang Liu obtained a master’s degree in electronic and communication engineering from the University of Chinese Academy of Sciences, China, in 2020. His current research interests include trustworthy artificial intelligence and advanced communication technologies.

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Chaoyu Feng graduated with a bachelor’s degree from Huazhong University of Science and Technology, China, in 2014, majoring in electrical engineering and its automation. He obtained his master’s degree from North China Electric Power University in 2020,majoring in control engineering. His current research interests include the maintenance and overhaul of transmission lines.

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Xinzhan Cai obtained a master’s degree in Electronic Science and Technology Engineering from Nankai University, China, in 2022. His current research interests include the application technology of power communication and artificial intelligence in the power grid field.

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Xiaolan Zhang received her M.Eng. degree in electrical machines and apparatuses from Xi’an Jiaotong University, Xi’an, China, in 2014. Her main research directions include the detection and analysis of switchgear equipment, and the research on auxiliary monitoring systems for smart substations.

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Xuefeng Zhao received her Ph.D. degree in electrical engineering from Xi’an Jiaotong University, Xi’an, China, in 2011. Her current research interests include the research of power cable test technology and fault diagnosis.

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Wensen Wang received his MSc degree in electrical engineering from Xi’an Jiaotong University, Xi’an, China, in 2016. His current research interests include the research of intelligent operation inspection of power equipment and high voltage engineering.

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Guang Dai received his B.Eng. degree in mechanical engineering from Dalian University of Technology, China, and M.Phil. degree in computer science from the Zhejiang University and the Hong Kong University of Science and Technology. He is currently a senior research scientist at State Grid Corporation of China, and also the founder of SGIT AI Lab, State Grid Corporation of China. His main research interests include Bayesian statistics, deep learning, reinforcement learning, optimization computation, and related applications.

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Jiawei Yang graduated from the department of electronics and communications engineering of North China Electric Power University, BaoDing, China, in 2023. He is currently involved in the research of new communication technology applications and Beidou communications.

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已出版

2026-02-20

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[1]
N. . Wang, 《A V-Band Magnetoelectric Dipole Filtering Antenna Based on Rectangular Micro-Coaxial Lines》, ACES Journal, 卷 41, 期 02, 页 170–179, 2月 2026.

期

2026: Vol 41 Iss 2

栏目

Advances in Next-Generation Antenna Systems and Their Testing Methodologies

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