Device-to-Device Private Caching with Trusted Server
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cs.IT
math.IT
keywords
cachingprivateservertrustedusersdemandsdevice-to-deviceorder
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In order to preserve the privacy of the users demands from other users, in this paper we formulate a novel information theoretic Device-to-Device (D2D) private caching model by adding a trusted server. In the delivery phase, the trusted server collects the users demands and sends a query to each user, who then broadcasts packets according to this query. Two D2D private caching schemes (uncoded and coded) are proposed in this paper, which are shown to be order optimal.
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