Minimum Mean Square Error Vector Precoding


We derive the minimum mean square error (MMSE) solution to vector precoding for frequency flat multiuser scenarios with a centralized multi-antenna transmitter. The receivers employ a modulo operation, giving the transmitter the additional degree of freedom to choose a perturbation vector. Similar to existing vector precoding techniques, the optimum… (More)
DOI: 10.1109/PIMRC.2005.1651408


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