%0 Journal Article %T Sum Rate Optimization by Spatial Precoding for a Multiuser MIMO DFT-Precoded OFDM Uplink %A Hanguang Wu %A Thomas Haustein %A Eduard Axel Jorswieck %A Peter Adam Hoeher %J EURASIP Journal on Advances in Signal Processing %D 2011 %I Springer %R 10.1155/2011/927936 %U http://dx.doi.org/10.1155/2011/927936