Network information flow with correlated sources

@article{Barros2006NetworkIF,
  title={Network information flow with correlated sources},
  author={Jo{\~a}o Barros and Sergio D. Servetto},
  journal={IEEE Transactions on Information Theory},
  year={2006},
  volume={52},
  pages={155-170}
}
Consider the following network communication setup, originating in a sensor networking application we refer to as the "sensor reachback" problem. We have a directed graph G=(V,E), where V={v/sub 0/v/sub 1/...v/sub n/} and E/spl sube/V/spl times/V. If (v/sub i/,v/sub j/)/spl isin/E, then node i can send messages to node j over a discrete memoryless channel (DMC) (X/sub ij/,p/sub ij/(y|x),Y/sub ij/), of capacity C/sub ij/. The channels are independent. Each node v/sub i/ gets to observe a source… CONTINUE READING
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