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- Title
Fundamental limits of caching: improved bounds for users with small buffers.
- Authors
Zhi Chen; Pingyi Fan; Letaief, Khaled Ben
- Abstract
In this study, the caching problem is investigated. Assuming that the users are only equipped with buffer of small sizes, the peak rate of caching problem is investigated in this study. In contrast to recent results in the literature, this study shows that under some specific condition, i.e. if the number of users is no less than the amount of files in the server, a lower peak rate of caching is achievable. Furthermore, this new presented peak rate of caching is demonstrated to coincide with the well-known cut-set bound.
- Subjects
END users (Information technology); CACHE memory; INFORMATION retrieval; BENCHMARKING (Management); WIRELESS sensor nodes
- Publication
IET Communications (Wiley-Blackwell), 2016, Vol 10, Issue 17, p2315
- ISSN
1751-8628
- Publication type
Article
- DOI
10.1049/iet-com.2015.1205