Parametric codebook design for efficient signal transmission using uniform circular arrays. - Junsik Shin; Junyeub Suh; Sangchun Park; Wonjin Sung (EURASIP J. Wirel. Commun. Netw., 2021)

Utilization of Beam Signatures Supporting High User Mobility With Extremely Low Feedback Overhead. - Sangchun Park; Wonjin Sung (IEEE Access, 2022)

Advanced Codebook Generation Using High-Resolution k-Means Clustering to PMI Data. - Sangchun Park; Wonjin Sung (IEEE Wirel. Commun. Lett., 2025)