Cache content placement using triangular network coding

Pouya Ostovari, Abdallah Khreishah, Jie Wu

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

23 Scopus citations

Abstract

Video is one of the main causes of the dramatic increase in data traffic over cellular networks. Caching is an effective mechanism that decreases the download rate from base stations and, as a result, the load on the base station, by storing the most popular files or videos on the caches and providing them to the users. The problem of efficient content placement on the caches is known as an NP-complete problem. In this paper, we study the role of network coding by increasing the amount of available data to the users through the cache nodes. We propose a network coding-based content placement method, and we compare it to the best uncoded content placement and the best triangular network coding strategies. Our method not only increases the amount of available data to the users, but also results in a fair distribution of data.

Original languageEnglish (US)
Title of host publication2013 IEEE Wireless Communications and Networking Conference, WCNC 2013
Pages1375-1380
Number of pages6
DOIs
StatePublished - 2013
Event2013 IEEE Wireless Communications and Networking Conference, WCNC 2013 - Shanghai, China
Duration: Apr 7 2013Apr 10 2013

Publication series

NameIEEE Wireless Communications and Networking Conference, WCNC
ISSN (Print)1525-3511

Other

Other2013 IEEE Wireless Communications and Networking Conference, WCNC 2013
CountryChina
CityShanghai
Period4/7/134/10/13

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Keywords

  • Linear network coding
  • caching
  • content placement
  • triangular network coding
  • wireless networks

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