Order Optimal Coded Caching-Aided Multicast under Zipf Demand Distributions

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Provided by: Alcatel-Lucent Enterprise
Topic: Storage
Format: PDF
Caching and multicasting are two key technologies for reducing traffic load in content delivery networks. While uncoded caching based delivery schemes can offer competitive performance under skewed popularity distributions, the use of coded transmission schemes of increased complexity has been recently shown to significantly improve multicast efficiency under flatter popularity distributions, by exploiting coded multicast opportunities created by simple cooperative caching policies. In this paper, the authors consider a caching network with one source, hosting m files, connected to n destinations, each with a storage capacity of M files, via a shared link.
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