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Distributed Function Computation Over a Rooted Directed Tree

机译:根有向树上的分布式函数计算

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This paper establishes the capacity region for a class of source coding function computation setups, where sources of information are available at the nodes of a tree and where a function of these sources must be computed at its root. The capacity region holds for any function as long as the sources’ joint distribution satisfies a certain Markov criterion. This criterion is met, in particular, when the sources are independent. This result recovers the capacity regions of several function computation setups. These include the point-to-point communication setting with arbitrary sources, the noiseless multiple access network with conditionally independent sources, and the cascade network with Markovian sources.
机译:本文为一类源编码功能计算设置建立了容量区域,其中信息源在树的节点上可用,并且这些源的功能必须在树的根部进行计算。只要源的联合分布满足一定的马尔可夫准则,容量区域就可以发挥任何作用。尤其是在来源独立的情况下,满足此标准。此结果将恢复几个函数计算设置的容量区域。这些包括具有任意源的点对点通信设置,具有条件独立源的无噪声多址网络以及具有马尔可夫源的级联网络。

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