Delay-tolerable contents offloading via vehicular caching overlaid with cellular networks

Byoung Yoon Min, Wonkwang Shin, Dong Ku Kim

Research output: Contribution to journalArticle

Abstract

Wireless caching is one of the promising technologies to mitigate the traffic burden of cellular networks and the large cost of deploying a higher volume of wired backhaul by introducing caching storage. In the manner of "cutting" wired equipments, all types of vehicles can be readily leveraged as serving access points with caching storage, where their moving nature should be taken into account to improve latency and data throughput. In this paper, we consider a mobility-aware vehicular caching which has a role in offloading delay-tolerable contents from cellular networks. We first clarify the influence of mobility in cellular caching networks, then set the mobility-aware optimization problem of vehicular caching to carry on delay-tolerable contents. Trace-driven numerical results based on rural and urban topographies show that, in presence of individual demand for delay-tolerable contents, the proposed vehicular caching scheme enhances the quality-of-service (QoS) (maximally twofold) relying on the contents delivery being centrally or distributedly controlled.

Original languageEnglish
Pages (from-to)283-293
Number of pages11
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
VolumeE100A
Issue number1
DOIs
Publication statusPublished - 2017 Jan 1

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Cutting equipment
Caching
Cellular Networks
Topography
Quality of service
Throughput
Costs
Quality of Service
Latency
Trace
Traffic
Optimization Problem
Numerical Results

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Computer Graphics and Computer-Aided Design
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

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Delay-tolerable contents offloading via vehicular caching overlaid with cellular networks. / Min, Byoung Yoon; Shin, Wonkwang; Kim, Dong Ku.

In: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E100A, No. 1, 01.01.2017, p. 283-293.

Research output: Contribution to journalArticle

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