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In this paper, we propose a novel algorithm to maximize the sum-rate in interference-limited scenarios where each user decodes its own message with the presence of unknown interferences and noise. The problem of adapting the transmit and receive filters of the users to maximize the sum-rate with a transmit power constraint is nonconvex. Our novel approach is to formulate the sum-rate maximization...
A scenario consisting of several single antenna source-destination node pairs communicating through multiple single antenna relays is considered. A two time-slot transmission scheme is considered. In the first time-slot, the source nodes transmit to both the relays and the destination nodes. Both the source nodes and the relays retransmit to the destination nodes in the second time-slot. As the relays...
In this paper, a bi-directional communication between K node pairs is considered. Each of the 2K nodes has multiple antennas. There is no direct link between the nodes. Q half-duplex relays each with R antennas support the communication. Two-way relaying is assumed. The linear transmit filters, relay filters and receive filters are designed iteratively to minimize the mean square error (MMSE) subject...
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