Sum Rate Maximization and Transmit Power Minimization for Multi-User Orthogonal Space Division Multiplexing. - Boon Chin Lim; Christian Schlegel; Witold A. Krzymien (GLOBECOM, 2006)

Efficient Receive Antenna Selection Algorithms and Framework for Transmit Zero-Forcing Beamforming. - Boon Chin Lim; Christian Schlegel; Witold A. Krzymien (VTC Spring, 2006)

Simultaneous Feedback Reduction and Sum Rate Maximization in Block-Diagonalized Space-Division Multiplexing. - Boon Chin Lim; Witold A. Krzymien; Christian Schlegel (VTC Spring, 2008)

Efficient Sum Rate Maximization and Resource Allocation in Block-Diagonalized Space-Division Multiplexing. - Boon Chin Lim; Witold A. Krzymien; Christian Schlegel (IEEE Trans. Veh. Technol., 2009)