Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/2856
Title: Clustering-based device-to-device cache placement
Authors: Kazez, Ahmet Cihat
Girici, Tolga
Keywords: Base stations 
 wireless networks 
 coded caching
Issue Date: 2019
Publisher: Elsevier B.V.
Source: Kazez, A. C., and Girici, T. (2019). Clustering-based device-to-device cache placement. Ad Hoc Networks, 84, 170-177.
Abstract: In this work we consider the problem of optimal cache placement in a D2D enabled cellular network. There are a number of helper devices in the area, which use their cached contents to help other users and offload traffic from the base station. The goal of cache placement is maximizing the offloaded traffic. We first formulate and optimally solve the cache placement problem as a mixed integer linear program. Then we propose a distributively implementable algorithm that clusters helpers. Helpers in each cluster collectively decide the contents to be cached, based on the content popularity. Numerical evaluations show that the proposed cache placement scheme always performs within 5% of the optimal result and it is robust to popularity profile and cache capacity. © 2018 Elsevier B.V.
URI: https://hdl.handle.net/20.500.11851/2856
https://www.sciencedirect.com/science/article/pii/S1570870518302889?via%3Dihub
ISSN: 15708705
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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