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Data Aggregation and Roadside Unit Placement for a VANET Traffic Information System

Author(s): Christian Lochert, Björn Scheuermann, Christian Wewetzer, Andreas Luebke, Martin Mauve.
Title: Data Aggregation and Roadside Unit Placement for a VANET Traffic Information System
Published: VANET 2008: Proceedings of the Fifth ACM International Workshop on VehiculAr Inter-NETworking, pp. 58--65, San Francisco, CA, USA, September 2008
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Abstract: In this paper we investigate how a VANET-based traffic informationsystem can overcome the two key problems of strictly limited bandwidthand minimal initial deployment. First, we present a domain specificaggregation scheme in order to minimize the requiredoverall bandwidth. Then we propose a genetic algorithm which is able toidentify good positions for static roadside units in order to cope with the highlypartitioned nature of a VANET in an early deployment stage.A tailored toolchain allows to optimize theplacement with respect to an application-centric objective function,based on travel time savings.By means of simulation we assess the performance of the resultingtraffic information system and the optimization strategy.
Note: Copyright ACM, 2008. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution.See above for information on where the definitive version has been published.
DOI: 10.1145/1410043.1410054
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