An LC balun integrated microstrip TWA for precise near-field localization system in UHF RFID. - Min-Gyo Jeong; Seong-Hyeop Ahn; Min-Hyeok Jin; Wang-Sang Lee (ICCE, 2018)

A quadruple-polarized reconfigurable antenna for 915 MHz ISM band applications. - Ji-Hong Kim; Chan-Hee Joo; Seong-Hyeop Ahn; Wang-Sang Lee (ICCE, 2018)

UAV Communication Antenna Array with Wide Coverage Multi-beam 3 × 2 Switched Beamforming Network. - Dong-Geun Seo; Seong-Hyeop Ahn; Chang-Hyun Jeong; Wang-Sang Lee (RWS, 2019)

Printed Dipole Antenna Array With Reconfigurable Feeding Network for Wide Elevation Angle of U2X Communications. - Ye-Yeong Jeong; Seong-Hyeop Ahn; Jinhwan Koh; Wang-Sang Lee (IEEE Access, 2022)