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Distributed Routing for Vehicular Ad Hoc Networks: Throughput-Delay Tradeoff

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Author
Abedi, Ali
Ghaderi, Majid
Williamson, Carey
Accessioned
2009-12-16T18:24:05Z
Available
2009-12-16T18:24:05Z
Issued
2009-12-16T18:24:05Z
Other
Vehicular ad hoc networks, Distributed routing, Throughput, Delay
Subject
Networks
distributed routing
throughput
Type
technical report
Metadata
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Abstract
In this paper, we address the problem of low-latency routing in a vehicular highway network. To cover long highways while minimizing the number of required roadside access points, we utilize vehicle-to-vehicle communication to propagate data in the network. Vehicular networks are highly dynamic, and hence routing algorithms that require global network state information or centralized coordination are not suitable for such networks. Instead, we develop a novel distributed routing algorithm that requires minimal coordination among vehicles, while achieving a highly efficient throughput-delay tradeoff. Specifically, we show that the proposed algorithm achieves a throughput that is within a factor of 1=e of the throughput of an algorithm that centrally coordinates vehicle transmissions in a highly dense network, and yet its end-to-end delay is approximately half of that of a widely studied ALOHA-based randomized routing algorithm. We evaluate our algorithm analytically and through simulations and compare its throughput-delay performance against the ALOHA-based randomized routing.
Refereed
Yes
Corporate
University of Calgary
Faculty
Science
Doi
http://dx.doi.org/10.11575/PRISM/30623
Uri
http://hdl.handle.net/1880/47598
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