An Efficient Random Beamforming Method based on Beam Subset Selection. - Tae-Sung Kang; Hyung-Myung Kim (PIMRC, 2007)

An Efficient Resource Allocation for Multiuser MIMO-OFDM Systems with Zero-Forcing Beamformer. - Young-Il Shin; Tae-Sung Kang; Hyung-Myung Kim (PIMRC, 2007)

Optimal Beam Subset and User Selection for Orthogonal Random Beamforming. - Tae-Sung Kang; Hyung-Myung Kim (IEEE Commun. Lett., 2008)