Søren Skovgaard Christensen

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This work studies linear transmit filter design for Weighted Sum-Rate (WSR) maximization in the Multiple Input Multiple Output Broadcast Channel (MIMO-BC). The problem of finding the optimal transmit filter is non-convex and intractable to solve. Motivated by the iterative algorithm that solves for the optimal transmit and receive filters for minimizing(More)
This work studies linear transmit filter design to maximize weighted sum-rate for the Multiple Input Multiple Output Broadcast Channel (MIMO-BC). In a recent result, it was shown that the derivative of mutual-information is equal to the Minimum Mean Square Error (MMSE) for the single-user case. This paper derives a relation between weighted sum-rate and(More)
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