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Distributed Cooperative Caching for Utility Maximization of VoD Systems

Abstract : We consider caching of VoD contents in a cellular network in which each base station is equipped with a cache. Videos are partitioned into chunks according to a layered coding mechanism and the goal is to place chunks in caches such that the expected utility is maximized. The utility depends on the quality at which a user is requesting a file and the chunks that are available. We impose alpha-fairness across files and qualities. We develop a distributed asynchronous algorithm for deciding which chunks to store in which cache.
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Contributor : Konstantin Avrachenkov Connect in order to contact the contributor
Submitted on : Friday, May 17, 2019 - 10:37:39 AM
Last modification on : Saturday, June 25, 2022 - 11:36:40 PM


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Konstantin Avrachenkov, Jasper Goseling, Berksan Serbetci. Distributed Cooperative Caching for Utility Maximization of VoD Systems. SPAWC 2019 - 20th anniversary edition, the IEEE International Workshop on Signal Processing Advances in Wireless Communications, Jul 2019, Cannes, France. ⟨10.1109/SPAWC.2019.8815571⟩. ⟨hal-02132439⟩



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