... ProcessingVolume 2009, Article ID 104950, 21 pagesdoi:10.1155/2009/104950 Research Article Limited Feedback Multiuser MIMO Techniques for Time-Correlated ChannelsEduardo Zacar´ıas B, Stefan Werner, and ... quantiza-tion for limited feedback MIMO beamforming systems,” IEEETransactions on Signal Processing, vol. 54, no. 12, pp. 4717–4729, 2006.[3] N. Dharamdial and R. S. Adve, “Efficient feedback for precoder ... implementedefficiently in hardware.5. Limited Rate Channel Feedback Methods for MU -MIMO In this section, we consider recursive channel feedback strategies for time correlated channels. These methods...