Subcarrier adaptation for multiuser OFDM systems. - Kwang Don Choe; Yeon Ju Lim; Sang Kyu Park (GLOBECOM, 2004)

Pilot Patterns for OFDM Communication Systems in a Fast Time-Varying Channel. - Yeon Ju Lim; Deok Soo Hyun; Sang Kyu Park (IEICE Trans. Commun., 2006)

Quasi-Orthogonal STBC System Using Unequal Power Allocation Scheme. - Yeon Ju Lim; Bong Jun Kim; Sang Kyu Park (IEICE Trans. Commun., 2006)