%0 Journal Article %T Complexity-Reduced MLD Based on QR Decomposition in OFDM MIMO Multiplexing with Frequency Domain Spreading and Code Multiplexing %A Kouji Nagatomi %A Hiroyuki Kawai %A Kenichi Higuchi %J EURASIP Journal on Advances in Signal Processing %D 2011 %I Springer %R 10.1155/2011/525829 %U http://dx.doi.org/10.1155/2011/525829