Information theoretic caching: The multi-user case

@article{Lim2016InformationTC,
  title={Information theoretic caching: The multi-user case},
  author={Sung Hoon Lim and Chien-Yi Wang and Michael Gastpar},
  journal={2016 IEEE International Symposium on Information Theory (ISIT)},
  year={2016},
  pages={525-529}
}
In this paper, we present information theoretic inner and outer bounds on the fundamental tradeoff between cache memory size and update rate in a multi-user cache network. Each user is assumed to have individual caches, while upon users' requests, an update message is sent though a common link to all users. The database is represented as a discrete memoryless source and the user request information is represented as side information that is available at the decoders and the update encoder, but… CONTINUE READING
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