Cache-aided coded multicast for correlated sources

P. Hassanzadeh, A. Tulino, J. Llorca, E. Erkip

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The combination of edge caching and coded multicasting is a promising approach to improve the efficiency of content delivery over cache-aided networks. The global caching gain resulting from content overlap distributed across the network in current solutions is limited due to the increasingly personalized nature of the content consumed by users. In this paper, the cache-aided coded multicast problem is generalized to account for the correlation among the network content by formulating a source compression problem with distributed side information. A correlation-aware achievable scheme is proposed and an upper bound on its performance is derived. It is shown that considerable load reductions can be achieved, compared to state of the art correlation-unaware schemes, when caching and delivery phases specifically account for the correlation among the content files.

Original languageEnglish (US)
Title of host publication2016 9th International Symposium on Turbo Codes and Iterative Information Processing
Subtitle of host publicationPaths to 5G and Beyond, ISTC 2016
PublisherIEEE Computer Society
Pages360-364
Number of pages5
ISBN (Electronic)9781509034017
DOIs
StatePublished - Oct 17 2016
Event9th International Symposium on Turbo Codes and Iterative Information Processing, ISTC 2016 - Brest, France
Duration: Sep 5 2016Sep 9 2016

Publication series

NameInternational Symposium on Turbo Codes and Iterative Information Processing, ISTC
Volume2016-October
ISSN (Print)2165-4700
ISSN (Electronic)2165-4719

Other

Other9th International Symposium on Turbo Codes and Iterative Information Processing, ISTC 2016
CountryFrance
CityBrest
Period9/5/169/9/16

ASJC Scopus subject areas

  • Computational Theory and Mathematics
  • Information Systems
  • Theoretical Computer Science

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    Hassanzadeh, P., Tulino, A., Llorca, J., & Erkip, E. (2016). Cache-aided coded multicast for correlated sources. In 2016 9th International Symposium on Turbo Codes and Iterative Information Processing: Paths to 5G and Beyond, ISTC 2016 (pp. 360-364). [7593137] (International Symposium on Turbo Codes and Iterative Information Processing, ISTC; Vol. 2016-October). IEEE Computer Society. https://doi.org/10.1109/ISTC.2016.7593137