Cache content placement using triangular network coding


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.

DOI: 10.1109/WCNC.2013.6554764
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@article{Ostovari2013CacheCP, title={Cache content placement using triangular network coding}, author={Pouya Ostovari and Abdallah Khreishah and Jie Wu}, journal={2013 IEEE Wireless Communications and Networking Conference (WCNC)}, year={2013}, pages={1375-1380} }