Leaky-Wave Antenna for a Military Vehicle-to-Satellite Link. - Yejune Seo; Heejun Park; Changhyeong Lee; Gwang-Gyun Namgung; Sungtek Kahng (ICTC, 2019)

A Nature-Inspired Machine Optimization Technique for Metasurfaces to Improve the Isolation between 5G MIMO Antennas. - Changhyeong Lee; Abdul Rehman; Heejun Park; Gwang-Gyun Namgung; Yejune Seo; Sungtek Kahng (ICAIIC, 2020)

RF Channel-Selectivity Sensing by a Small Antenna of Metamaterial Channel Filters for 5G Sub-6-GHz Bands. - Muhammad Kamran Khattak; Changhyeong Lee; Heejun Park; Sungtek Kahng (Sensors, 2020)

A Fully-Printed CRLH Dual-Band Dipole Antenna Fed by a Compact CRLH Dual-Band Balun. - Muhammad Kamran Khattak; Changhyeong Lee; Heejun Park; Sungtek Kahng (Sensors, 2020)

A Small and Angle-Diversity Antenna Mountable for the Small Drone. - Yejune Seo; Munsu Jeon; Junghyun Cho; Yejin Lee 007; Jiyeon Jang; Changhyeong Lee; Sungtek Kahng (ICTC, 2021)

Investigation on Beam Alignment of a Microstrip-Line Butler Matrix and an SIW Butler Matrix for 5G Beamforming Antennas through RF-to-RF Wireless Sensing and 64-QAM Tests. - Munsu Jeon; Yejune Seo; Junghyun Cho; Changhyeong Lee; Jiyeon Jang; Yejin Lee 007; Hyung-Wook Kwon; Sungtek Kahng (Sensors, 2021)

A Planar Millimeter-Wave Resonator-Array to Sense the Permittivity of COP Film with the 5G Handset Back-Cover. - Yejune Seo; Changhyeong Lee; Inyeol Moon; Koichro Ota; Ryomei Omote; Sungtek Kahng (Sensors, 2021)