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. (T-MTT), Early Access.
- H.Y. Kim, Y.-S. 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,” IEEE International Symposium on Antennas and Propagation (ISAP 2024), Incheon, Rep. of Korea, Nov. 2024. (Best Paper Award, 2nd Prize)
- 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,” IEEE Wireless Power Technology Conference and EXPO (WPTCE 2024), Kyoto, Japan, May 2024.
- Y.-S. Lee and S. Nam*, “Test Count Reduction Algorithm for Determining the Optimal Phase in Wireless Power Transfer using Bayesian Optimization,” XXXVth URSI General Assembly and Scientific Symposium (URSI/GASS 2023), Sapporo, Japan, Aug. 2023.
Domestic Conferences
- Y.-S. Lee, T. Yoon, J. Oh, and S. Nam*, “Received DC Power Maximization in a Practical Wireless Power Transfer Systems,” 2025 Winter KIEES, Feb. 2025. (Best Paper Award, 1st Place)
- T. Yoon, Y.-S. Lee, M. Kim, S. Lee, and J. Oh*, “Comprehensive Optimization of Beamforming Wireless Power Transfer: Achieving 500W Power Saving through Hardware-Aware Convex Method and Supply Voltage Modulation,” 2025 Winter KIEES, Feb. 2025.
- Y.-S. Lee, S. Nam, and J. Oh*, “Convex optimization을 통한 RF-DC 효율 향상 기법이 적용된 고효율 무선전력전송 시스템,” 2024 Summer KIEES, Aug. 2024.
- H.Y. Kim, Y.-S. Lee, and S. Nam*, “마이크로파 무선전력전송에서 다중 수신기의 충전을 위한 알고리즘 연구,” 2021 Autumn KIEES, Nov. 2021.
Patents
- S. Nam and Y. Lee, “METHOD FOR DETERMINING OPTIMAL PHASES OF ANTENNA ARRAY IN RECONFIGURABLE INTELLIGENT SURFACE AND RIS SYSTEM USING THE SAME” (Patent No.: 1027047370000 (2024.09.04))
- 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” (Patent No.: 1026925510000 (2024.08.01))