Traditionally in a network, the intermediate nodes involved in routing a flow from a source to a destination forwards the data packets without any processing. Network coding allows the nodes to mix packets for improving the network performance. However, this improvement is dependent on the number of packets to combine, the way of combining them and the amount of knowledge that needs a node about the network topology and state in order to process the right coding. Naturally, there exist sophisticated coding schemes to maximize the benefits of network coding. One of the major issue to investigate is how to encode packets in order to satisfy two criteria: maximizing the performance of the network (bandwidth, robustness, security, ...) while reducing the complexity of the decoding.
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Réseaux & Optimisation Combinatoire et Stochastique
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WIMAX NC2 COREPHY FRANCE TELECOM
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MARTIN Steven
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