Design of a mmWave Antenna Printed on a Thick Vehicle-Glass Substrate Using a Linearly Arrayed Patch Director and a Grid-Slotted Patch Reflector for High-Gain Characteristics. - Changhyeon Im; Tae Heung Lim; Hosung Choo (Sensors, 2022)

Design of a Metal 3D Printed Double-Ridged Horn Antenna With Stable Gain and Symmetric Radiation Pattern Over a Wide Frequency Range. - Namkang Lee; Changhyeon Im; Seulgi Park; Hosung Choo (IEEE Access, 2023)

Design of a Deployable Broadband Mesh Reflector Antenna for a SIGINT Satellite System Considering Surface Shape Deformation. - Changhyeon Im; Wongu Seo; Seulgi Park; Kihun Kim; Sungkyun Park; Hosung Choo (Sensors, 2024)

Design of a Koch-Curved LPDA Antenna With Optimized Beamwidth to Improve the Aperture Efficiency of Reflector Antennas. - Jiyoung Park; Changhyeon Im; Hosung Choo (IEEE Access, 2025)