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This paper proposes a simple physical (PHY) layer design to introduce cooperation in the downlink of an infrastructure-based multicell multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) network. To improve the cell coverage, a novel PHY layer design is proposed that allows cooperation among an arbitrary and unknown number of base stations (BSs), by suitably randomizing...
We consider the problem of communication for a network composed of two half-duplex relays. A Successive relaying protocol in which the relays transmit their received messages successively to the destination is studied. A non-cooperative coding based on dirty paper coding (DPC) and a cooperative coding based on block Markov encoding (BME) are proposed and the optimum input distribution for the degraded...
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