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Publication type: Article in scientific journal
Type of review: Peer review (publication)
Title: Cooperative caching and video characteristics in D2D edge networks
Authors: Kafıloğlu, S. Sinem
Gür, Gürkan
Alagöz, Fatih
et. al: No
DOI: 10.1109/LCOMM.2020.3009279
Published in: IEEE Communications Letters
Volume(Issue): 24
Issue: 11
Pages: 2647
Pages to: 2651
Issue Date: 2020
Publisher / Ed. Institution: IEEE
ISSN: 1089-7798
Language: English
Subjects: Multimedia communication; Cooperative caching; Device-to-device (D2D) communication; Wireless networks
Subject (DDC): 004: Computer science
621.3: Electrical, communications, control engineering
Abstract: Device-to-device (D2D) transmissions in wireless edge networks are promising for optimizing system-wide energy consumption and improving system service capacity. Cooperative content caching similarly serves efficiency goals for data-intensive applications in edge networks. In this work, we propose two cooperative cache replacement algorithms in D2D networks to support these techniques: i) distance-based ii) priority-class based. Video content dissemination in an edge network is our main use-case. In such content traffic, video characteristics have a significant impact on the system behavior. Therefore, we also investigate the effect of content scene change dynamics in our system. Distance based cooperation outperforms LRU, MIN-ACC and SXO in terms of goodput while priority-class based approach consumes less energy than MIN-ACC with almost the same consumption as LRU, especially under fast changing scene regime. Besides, it is energy-wise slightly more rewarding than SXO for the fastest-changing scene case.
Further description: © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Fulltext version: Accepted version
License (according to publishing contract): Licence according to publishing contract
Departement: School of Engineering
Organisational Unit: Institute of Applied Information Technology (InIT)
Appears in collections:Publikationen School of Engineering

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