Dual Circularly Polarized Planar Four-Port MIMO Antenna with Wide Axial-Ratio Bandwidth. - Sachin Kumar 003; Gwan Hui Lee; Dong Hwi Kim; Hyun-Chul Choi; Kang Wook Kim 001 (Sensors, 2020)

Generalized Design Technique of Ultra-Wideband Transitions for Quasi-TEM Planar Transmission Lines Based on Analytical Models. - Gwan Hui Lee; Sachin Kumar 003; Wahab Mohyuddin; Hyun-Chul Choi; Kang Wook Kim 001 (IEEE Access, 2021)

Ultra-Wideband Differential Line-to-Balanced Line Transitions for Super-High-Speed Digital Transmission. - Byung Cheol Min; Gwan Hui Lee; Jung Seok Lee; Syifa Haunan Nashuha; Hyun-Chul Choi; Kang Wook Kim 001 (Sensors, 2022)