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Information-centric cost-efficient optimization for multimedia content delivery in mobile vehicular networks
State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing.
National Engineering Laboratory for Next Generation Internet Technologies, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0003-1902-9877
National Engineering Laboratory for Next Generation Internet Technologies, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing.
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Number of Authors: 52017 (English)In: Computer Communications, ISSN 0140-3664, E-ISSN 1873-703X, Vol. 99, p. 93-106Article in journal (Refereed) Published
Abstract [en]

Providing high-quality multimedia services is a challenging and high-cost task in mobile vehicular networks due to intermittent connectivity, highly dynamic capacity, mostly associated to heterogeneous hosts distribution and their high mobility. Information-centric networking (ICN), which adopts novel content-based dissemination instead of the traditional host-based one, has great potential to accomplish cost-efficient quality-oriented multimedia delivery. This paper proposes a novel cost-Efficient Multimedia content Delivery approach (EcoMD) in vehicular networks leveraging the ICN features. In EcoMD, two essential factors are first analyzed and modeled: content mobility and supply-demand balance, and then, a mixed integer programming (MIP) optimization is formulated to minimize the economic cost associated to guaranteed the quality level of multimedia services. To resolve this NP-hard problem, heuristic mechanisms are proposed covering three aspects: priority-based path selection, least-required source maintaining and on-demand caching enhancement. By comparison with existing state-of-the-art solutions, simulation results demonstrate how EcoMD provides an improved performance in terms of start-up delay, jitter, playback continuity, and Quality of Experience (QoE) while particularly reduces the economic cost.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 99, p. 93-106
National Category
Media and Communication Technology
Research subject
Pervasive Mobile Computing
Identifiers
URN: urn:nbn:se:ltu:diva-8647DOI: 10.1016/j.comcom.2016.07.014ISI: 000393626800010Scopus ID: 2-s2.0-84995486971Local ID: 72ad7e8d-2130-4808-b6f0-4bb3e018a80dOAI: oai:DiVA.org:ltu-8647DiVA, id: diva2:981585
Note

Validerad; 2017; Nivå 2; 2017-02-22 (rokbeg)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-09-13Bibliographically approved

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Vasilakos, Athanasios

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