NDLI: Fundamental limits of caching in D2D networks with secure delivery

Content Provider	IEEE Xplore Digital Library
Author	Awan, Z.H. Sezgin, A.
Copyright Year	2015
Description	Author affiliation: Inst. of Digital Commun. Syst., Ruhr-Univ. Bochum, Bochum, Germany (Awan, Z.H.; Sezgin, A.)
Abstract	We study the problem of secure transmission over a caching D2D network. In this model, end users can prefetch a part of popular contents in their local cache. Users make arbitrary requests from the library of available files and interact with each other to deliver requested contents from the local cache to jointly satisfy their demands. The transmission between the users is wiretapped by an external eavesdropper from whom the communication needs to be kept secret. For this model, by exploiting the flexibility offered by the local cache storage, we establish a coding scheme that not only conforms to the demands of all users but also delivers the contents securely. In comparison to the insecure caching schemes, the coding scheme that we develop in this work illustrates that for large number of files and users, the loss incurred due to the imposed secrecy constraints is insignificant. We illustrate our result with the help of some examples.
Starting Page	464
Ending Page	469
File Size	265354
Page Count	6
File Format	PDF
e-ISBN	9781467363051
DOI	10.1109/ICCW.2015.7247223
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-08
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Upper bound Conferences Cache memory Encoding Servers Security Communication system security
Content Type	Text
Resource Type	Article

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