Researchers

Young-Seok Lee

Ph.D. Student

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

Building 132 Room 311

ryanlee@snu.ac.kr

Research Interest

Wireless Power Transfer System, Target detection algorithm, and Indoor Localization

Research Experiences

  • Large-Area WPT System for Power Gateway Application – Samsung A-Lab.
  • 2D Array WPT System Design & Fabrication, and Operation Software & Algorithm Development – Samsung A-Lab.
  • Feedback-based WPT Beam-focusing Algorithm for Real-time Systems – Samsung DS
  • WPT System Link Budget, mmWave Antenna Array Design and Fabrication – Samsung Research(SR)

Publication

International Journals

  • Y. -S. Lee, T. Yoon, M. Kim, S. Lee, B. Jung, J. Oh, and S. Nam*, "A Design and Characterization Method of a Scalable Large Transmitting Array for Wireless Power Transfer," IEEE Trans. Microw. Theory Tech., Early Access.
  • H.Y. Kim, Y. Lee, and S. Nam​*, "Efficiency Bound Estimation for a Practical Microwave and mmWave Wireless Power Transfer System Design," Journal of Electromagnetic Engineering and Science (JEES), vol. 23, no. 1, pp. 69-74, Jan. 2023.

International Conferences

  • Y. -S. Lee, J. Oh, and S. Nam*, "An Effect of Time Reversal Based Multiple Beacon Selection on Wireless Power Transfer Performance," 2024 IEEE International Symposium on Antennas and Propagation (ISAP 2024), ​Incheon, Rep. of Korea, Nov. 2024. (Best Paper Award, 2nd place) 
  • Y. -S. Lee, T. Yoon, S. Lee, M. Kim, J. Lee, J. Oh, and S. Nam​*, "LUT-Based Transmit Mode Calibration Reduction Method for Wireless Power Transfer," 2024 IEEE Wireless Power Technology Conference and EXPO (WPTCE 2024), Kyoto, Japan, May 2024.
  • Y. Lee and S. Nam​*, "Test Count Reduction Algorithm for Determining the Optimal Phase in Wireless Power Transfer using Bayesian Optimization," 2023 XXXVth URSI General Assembly and Scientific Symposium (URSI/GASS 2023), Sapporo, Japan, Aug. 2023.

Domestic Conferences

  • 이영석, 남상욱, 오정석*, “Convex optimization을 통한 RF-DC 효율 향상 기법이 적용된 고효율 무선전력전송 시스템,” 한국전자파학회 제12회 하계종합학술대회, 2024년 8월.
  • 김호열, 이영석, 남상욱*, “마이크로파 무선전력전송에서 다중 수신기의 충전을 위한 알고리즘 연구,” 한국전자파학회 제33차 정기총회 및 추계학술대회, 2021년 11월.

Patents

  • S. Nam and Y. Lee, “METHOD FOR DETERMINING OPTIMAL PHASES OF ANTENNA ARRAY IN RECONFIGURABLE INTELLIGENT SURFACE AND RIS SYSTEM USING THE SAME” (Appl. No.: 10-2023-0038623)
  • S. Nam and Y. Lee, “METHOD FOR DETERMINING OPTIMAL PHASES OF ANTENNA ARRAY IN TRANSMISSION ANTENNA AND A BEAM FOCUSING ARRAY SYSTEM USING THE SAME” (Appl. No.: 10-2023-0038619)

Honors and Awards

  • (1st author) International Symposium on Antennas and Propagation (ISAP 2024), (Best Paper Award, 2nd place) (Nov. 2024)
  • (2nd author) 제 23회 전파분야 대학(원)생 논문공모 우수상(한국방송통신진흥원장상) (Oct. 2024)
  • (1st author) 제 9회 전자파학회 전자파측정 논문경진대회, 우수상 (Mar. 2024)

Activities

  • Undergrad. TA - Introduction to Electromagnetism with Practice (기초전자기학 및 연습, 430.202B 002), 2024, 2nd Semester.  
  • Undergrad. TA - Electromagnetic Wave Engineering (전파공학, 430.464A 001), 2023, 1st Semester.

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