Structured Peer-to-Peer Real Time Video Transmission over Vehicular Ad Hoc Networks

被引:0
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作者
Sergio Machado
Javier Ozón
Alberto J. González
Kayhan Zrar Ghafoor
机构
[1] Technical University of Catalonia,Department of Telematic Engineering
[2] NicePeopleAtWork,Faculty of Engineering
[3] University of Koya,undefined
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关键词
VANET; Peer-to-peer; Video streaming; Live-content distribution; Quality of service;
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摘要
Video communication over Vehicular Ad Hoc Networks (VANET) has several applications such as road safety, commercial advertisements and on-road entertainment. In this paper we present a structured peer-to-peer (P2P) network designed for the distribution of live-content, with low bandwidth consumption, within a VANET. This P2P network is modelled using a media distribution graph. The implementation of a structured network allows a peer to schedule consecutive data chunks produced by the media source by means of a scheduling algorithm. In our analysis we obtain a bound for the maximum delay between the media source and any of the peers of the network and the buffer size needed to allow consecutive scheduling. We study a type of media distribution graph and we calculate its order and diameter, which means that under stable conditions we can ensure certain quality-of-service parameters. The results of simulation over NS2 show the fitness of the mathematical analysis.
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页码:896 / 907
页数:11
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