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Device-to-Device Private Caching with Trusted Server

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arxiv 1909.12748 v2 pith:QIM2CSJX submitted 2019-09-26 cs.IT math.IT

Kai Wan , Hua Sun , Mingyue Ji , Daniela Tuninetti , Giuseppe Caire This is my paper · ORCID
classification cs.ITmath.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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