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Wireless Network Information Flow

by a. S. Avestimehr, S. N. Diggavi, D. N. C. Tse


We present an achievable rate for general deterministic relay networks, with\nbroadcasting at the transmitters and interference at the receivers. In\nparticular we show that if the optimizing distribution for the\ninformation-theoretic cut-set bound is a product distribution, then we have a\ncomplete characterization of the achievable rates for such networks. For linear\ndeterministic finite-field models discussed in a companion paper [3], this is\nindeed the case, and we have a generalization of the celebrated max-flow\nmin-cut theorem for such a network.

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