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We present an information flow formulation that bridges network coding and tree packing (routing) and that is useful even if a suboptimal tree packing mechanism is used. We provide a system interpretation of our formulation from a network operators perspective. We study the trade-off between transmission cost and the cost of coding in a multicast session over coded packet networks. Our formulation...
A fundamental understanding of the delay behavior of network coding is key towards its successful application in real-time applications with strict message deadlines. Previous contributions focused mostly on the average decoding delay, which although useful in various scenarios of interest is not sufficient for providing worst-case delay guarantees. To overcome this challenge, we investigate the entire...
We study an online random linear network coding approach for time division duplexing (TDD) channels under Poisson arrivals. We model the system as a bulk-service queue with variable bulk size and with feedback, i.e., when a set of packets are serviced at a given time, they might be reintroduced to the queue to form part of the next service batch. We show that there is an optimal number of coded data...
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