Jeonghyo Lee, an integrated master's/doctoral student in POSTECH's Department of Electrical Engineering advised by Professor Wonbin Hong, received Honorable Mention in the Student Paper Competition at the 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting (IEEE AP-S/URSI) for “Independent, Concurrent Dual-Harmonic Frequencies Operation of Overlapped Spatial-Temporal Phased Array using Dual-Functional Radiator.”

The paper proposes operation at two resonant frequencies of phased-array antennas fully overlapping in space and time using only one module, and experimentally demonstrates high gain and wide beam coverage. Through a new frequency-selective feed structure called Bent CLSC and an antenna with novel frequency-selective radiation characteristics called a dual-functional radiator, the study demonstrates advantages in size and performance over previous phased-array antenna research. Its superior performance compared with research published worldwide earned Honorable Mention.

IEEE AP-S/URSI is the IEEE Antennas and Propagation Society's largest international conference worldwide and is held this year in Florence, Italy. A total of 314 papers were submitted to the 2024 Student Paper Competition, among which Lee's paper received Honorable Mention.