Users＂ Media Cloud Assisted D2D Communications for Distributed Caching Underlaying Cellular Network

In cellular networks, the proximity devices may share files directly without going through the eNBs, which is called Device-to-De- vice communications （D2D）. It has been con- sidered as a potential technological component for the next generation of communication. In this paper, we investigate a nove...

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Bibliographic Details
Published in:China communications 2016-08, Vol.13 (8), p.13-23
Main Authors: Chen, Mingkai, Wang, Lei, Chen, Jianxin
Format: Article
Language:English
Subjects:
cache
Computer architecture
content delivery
Delays
Device-to-device communication
Interference
Media
Microprocessors
Multimedia communication
users' media cloud
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Summary:In cellular networks, the proximity devices may share files directly without going through the eNBs, which is called Device-to-De- vice communications （D2D）. It has been con- sidered as a potential technological component for the next generation of communication. In this paper, we investigate a novel framework to distribute video files from some other proximity devices through users＇ media cloud assisted D2D communication. The main contributions of this work lie in： 1） Providing an efficient algorithm Media Cloud Cluster Selecting Scheme （MCCSS） to achieve the reasonable cluster; 2） Distributing the optimum updating files to the cluster heads, in order to minimize the expected D2D communi- cation transmission hop for files; 3） Proposing a minimum the hop method, which can ensure the user obtain required file as soon as possible. Extensive simulation results have demonstrated the efficiency of the proposed scheme.
ISSN:1673-5447
DOI:10.1109/CC.2016.7563685