Multi-polarized Reconfigurable Antenna with Ground Plane Slot and Capacitance Feeding for UAV-to-everything Communications

Authors

  • Seong-Hyeop Ahn Department of Electrical Engineering, Gyeongsang National University (GNU), B405-401501, Jinju-daero, Jinju-si Gyeongnam, 52828, Republic of Korea
  • Yu-Seong Choi Korea Aerospace Industries (KAI), Ltd, 78, Gongdan 1-ro, Sanam-myeon, Sacheon-si, Gyeongnam, 52529, Republic of Korea
  • Mohamed Elhefnawy 1) Department of Electrical Engineering, Gyeongsang National University (GNU), B405-401501, Jinju-daero, Jinju-si Gyeongnam, 52828, Republic of Korea 3) Department of Electrical Engineering, Faculty of Engineering, October 6 University, Egypt
  • Wang-Sang Lee Department of Electrical Engineering, Gyeongsang National University (GNU), B405-401501, Jinju-daero, Jinju-si Gyeongnam, 52828, Republic of Korea

DOI:

https://doi.org/10.13052/2023.ACES.J.381210

Keywords:

Capacitance feed, ground surface slot, polarization-reconfigurable antenna, UAV-to-Everything communications

Abstract

This paper proposes a polarized reconfigurable antenna for unmanned aerial vehicles (UAVs) with flexible UAV-to-Everything (U2X) communications through a reduction of polarization loss. It operates at 2.45 GHz and consists of a square patch antenna, a capacitance feed, a ground surface slot, and a reconfigurable feeding network. The reconfigurable feeding network has dual polarization (linear, circular) depending on the configuration of the feeding network. The dual linear polarization reconfigurable feeding network configuration consists of a single-pole double-throw (SPDT) switch, a 50-ohm microstrip line, and a low-temperature co-fired ceramic (LTCC) 90-degree hybrid coupler. This was added to the circuit to form a double circular polarization reconfigurable feeding network. The proposed antenna has a miniaturized size (0.389λo×0.389λo×0.005λo), and is lightweight (12.2 g), making it suitable for low-height flight. Furthermore, it has maximum gains of 6.6 dBi and 7.2 dBi, in addition to an efficiency of 82%, and a 10 dB bandwidth of 4.5% (2.38-2.49 GHz). Therefore, the proposed antenna covers all UAV control links, video, and telemetry frequency bands (2.38-2.485 GHz).

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Author Biographies

Seong-Hyeop Ahn, Department of Electrical Engineering, Gyeongsang National University (GNU), B405-401501, Jinju-daero, Jinju-si Gyeongnam, 52828, Republic of Korea

Seong-Hyeop Ahn received the B.S. and M.S. degrees in electronic engineering from Gyeongsang National University (GNU), Jinju, South Korea, in 2018 and 2020, respectively. Since 2022, he has been working toward the Ph.D. degree in electronic engineering from GNU. His research interests are high-power microwave systems, near-field wireless power transfer and communications systems, RFID/IoT sensors, and RF/microwave circuit and antenna designs.

Yu-Seong Choi, Korea Aerospace Industries (KAI), Ltd, 78, Gongdan 1-ro, Sanam-myeon, Sacheon-si, Gyeongnam, 52529, Republic of Korea

Yu-Seong Choi received the B.S. and M.S. degrees in electronic engineering from Gyeongsang National University (GNU), Jinju, South Korea, in 2019 and 2021, respectively. Since 2022, he has been working in Korea Aerospace Industries.

His research interests include reconfigurable antenna design & analysis, RF/Microwave circuits and systems, and RFID/IoT sensors.

Mohamed Elhefnawy, 1) Department of Electrical Engineering, Gyeongsang National University (GNU), B405-401501, Jinju-daero, Jinju-si Gyeongnam, 52828, Republic of Korea 3) Department of Electrical Engineering, Faculty of Engineering, October 6 University, Egypt

Mohamed Elhefnawy received the B.S. and M.S. degrees in electronics and communications engineering from Tanta University and Arab Academy for Science & Technology, Egypt, in 1999 and 2005, respectively. He received a Ph.D. degree in communications engineering from USM University, Malaysia, in 2010. Since 2023, he has been working as a senior researcher in the Department of Electronic Engineering, Gyeongsang National University (GNU), Jinju, South Korea. From 2012 to 2023, he worked as a lecturer in the Department of Electrical Engineering at the Faculty of Engineering, October 6 University, Egypt.

He has a strong academic background that includes RF/microwave engineering, electromagnetic theory, and antenna theory. His research interests include antennas, wave propagation, RF and microwave, and communications.

Wang-Sang Lee, Department of Electrical Engineering, Gyeongsang National University (GNU), B405-401501, Jinju-daero, Jinju-si Gyeongnam, 52828, Republic of Korea

Wang-Sang Lee received the B.S. degree from Soongsil University, Seoul, South Korea, in 2004, and the M.S. and Ph.D. degrees in electrical engineering from the Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea, in 2006 and 2013, respectively.

From 2006 to 2010, he was with the Electromagnetic Compatibility Technology Center, Digital Industry Division, Korea Testing Laboratory (KTL), Ansan-si, South Korea, where he was involved in the international standardization for radio frequency identification (RFID) and photovoltaic systems as well as electromagnetic interference (EMI)/EMC analysis, modeling, and measurements for information technology devices. In 2013, he joined the Korea Railroad Research Institute (KRRI), Uiwang-si, South Korea, as a Senior Researcher, where he was involved in the position detection for high-speed railroad systems and microwave heating for low-vibration rapid tunnel excavation systems. Since 2014, he has been an Associate Professor with the Department of Electronic Engineering, Gyeongsang National University (GNU), Jinju, South Korea. From 2018 to 2019, he was a Visiting Scholar with the ATHENA Group, Georgia Institute of Technology, Atlanta, GA, USA. His current research interests include near- and far-field wireless power and data communications systems, RF/microwave antenna, circuit, and system design, RFID/Internet of Things (IoT) sensors, and EMI/EMC.

Dr. Lee is a member of IEEE, IEC/ISO JTC1/SC31, KIEES, IEIE, and KSR. He was a recipient of the Best Paper Award at IEEE RFID in 2013, the Kim Choong-Ki Award Electrical Engineering Top Research Achievement Award at the Department of Electrical Engineering, KAIST, in 2013, the Best Ph.D. Dissertation Award at the Department of Electrical Engineering, KAIST, in 2014, the Young Researcher Award at KIEES in 2017, and the Best Paper Awards at IEIE in 2018 and KICS in 2019.

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Published

2023-12-30

How to Cite

[1]
S.-H. Ahn, Y.-S. Choi, M. Elhefnawy, and W.-S. Lee, “Multi-polarized Reconfigurable Antenna with Ground Plane Slot and Capacitance Feeding for UAV-to-everything Communications”, ACES Journal, vol. 38, no. 12, pp. 998–1004, Dec. 2023.

Issue

2023: Vol 38 Iss 12

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Articles

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