Researchers

Jaehoon Kim

Ph.D. Candidate

Department of Electrical and Computer Engineering Seoul National University 1 Gwanak-ro, Gwanak-gu, Seoul, Korea

Building 132 Room 311

jaehoonkim@snu.ac.kr

Research Interest

Next-Gen. Reconfigurable Antenna/Metasurface Systems, Electromagnetic Periodic Arrays

Research Experiences

  • 6G 기지국용 홀로그래픽 안테나에 대한 연구 – Samsung Research (2023-Present)
  • 6G 이동통신을 위한 고차 함수 기반 공간 필터 연구 – Samsung Research (2022-2023)
  • 6G 통신을 위한 가변 소자를 이용한 D-Band 투과형 RIS 연구 – Samsung Research (2021-2022)
  • 6G 이동통신을 위한 밀리미터파 고이득 빔포밍 능동형 메타표면 개발 – Samsung Research (2020-2021)
  • 차세대 단말기용 고효율 6G 통신 기술 연구 – Samsung Research (2018-2019)

Publication

International Journals

  • J. Kim, S. Bang, J. Jeong, S. Wi and J. Oh, "Enhancing Selectivity in 5G/6G Ultra-Narrowband Applications: Plug-and-Play Frequency Selective Surfaces with Field-Manipulating Vias," IEEE Trans. Antennas Propag., Apr. 2024.
  • J. Kim, J. Oh, S. Wi and J. Oh, "Asymmetrically Layered Unit Cell Topology to Reduce Cell Gap of Liquid Crystals for 5G Millimeter-Wave Transmissive Reconfigurable Intelligent Surface Applications," IEEE Trans. Antennas Propag., Mar. 2024.
  • J. Kim, W. Lee, and J. Oh, "Liquid-Crystal-Tuned Resonant Series Patch Array with Unique Element Spacing Emulating Simplified Operating Construe of Traveling-wave Antenna," IEEE Antennas Wireless Propag. Lett., Dec. 2023.
  • J. Kim, J. Kim, J. Oh, S. Wi, and J. Oh, "Rotated Feed-Combined Reconfigurable Transmit RIS With Disparate Deployment of 1-bit Hybrid Units for B5G/6G," IEEE Trans. Antennas Propag., Jun. 2023.
  • J. Kim, and J. Oh, "Liquid-Crystal-Embedded Aperture-Coupled Microstrip Antenna for 5G Applications," IEEE Antennas Wireless Propag. Lett., Nov. 2020.

International Conferences

  • J. Kim and J. Oh, "Slimmed 6G Transmit Reconfigurable Intelligent Surface (RIS) Unit Cells Electromagnetically Tailoring Effective Cell Gap of Liquid Crystal," in Proc. 17th Eur. Conf. Antennas Propag. (EuCAP), 2023.
  • J. Kim, J. Lee, H. Lee, and J. Oh, "Liquid Crystal Based Aperture Coupled Series Patch Antenna with Enhanced Beam Coverage for B5G Smartphone," in Proc. IEEE Int. Symp. Antennas Propag. USNC-URSI Radio Sci. Meeting (AP-S/URSI), 2020.

Domestic Conferences

  • J. Kim, and J. Oh, “Beamforming Optimization of Dynamically Reconfigurable Antenna with Constrained Phase Ellipse for B5G/6G Communication,” KIEES Winter Conference, Feb. 2023.
  • J. Kim, and J. Oh, “Design Methodology of Reconfigurable Transmit Unit Cell Retaining Operable Cell Gap of Liquid Crystal,” KIEES Summer Conference, Aug. 2022.
  • J. Kim, and J. Oh, “Coupled-Resonator-Loaded B5G Transmit Unit Cell Employing Tunable Complementary Topology,” KIEES Winter Conference, Feb. 2022.
  • J. Kim, and J. Oh, “Optimization of Phase Mapping in Limited 1-Bit Transmitarray for Enhanced Beamforming,” KIEES Summer Conference, Aug. 2021.
  • J. Kim, and J. Oh, “Liquid-Crystal-Based Frequency Reconfigurable Aperture-Coupled Microstrip Patch Antenna for 5G,” KIEES Winter Conference, Feb. 2021.
  • J. Kim, and J. Oh, “Metamaterial-Based Phase Tuning Approximation for Wide Range Beam Scanning of B5G Array,” KIEES Winter Conference, Feb. 2020.
  • J. Kim, and J. Oh, “Single Feed Metamaterial-Based Beam Steering Antenna,” KIEES Summer Conference, Aug. 2019.
  • J. Kim, and J. Oh, “Waveguide-Fed Slot Array Reconfigurable Patch Antenna,” KIEES Winter Conference, Feb. 2019.
  • J. Kim, and K. Hwang, “Dual-Band Circularly Polarized Patch Antenna with Dual-Feed Configuration,” KIEES Winter Conference, Feb. 2017.

Patents

  • Jungsuek Oh and Jaehoon Kim, ” Phase shifter-less beam steerable aperture coupled meta antenna,” US 20240243473, Jul. 18, 2024.
  • Jungsuek Oh and Jaehoon Kim, ”Array antenna system capable of beam steering and impedance control using active radiation layer,” US 11990680, May 21, 2024.

Honors and Awards

  • Korea Institute of Electromagnetic Engineering and Science (KIEES) / Best Paper Award (Aug. 2021)
  • Korea Institute of Electromagnetic Engineering and Science (KIEES) / IEEE Antennas and Propagation Society Seoul Chapter, Best Paper Award (Aug. 2019)
  • Korea Institute of Electromagnetic Engineering and Science (KIEES), Best Paper Award (Nov. 2017)

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