RSU Deployment for Content Dissemination and Downloading in Intelligent Transportation Systems (Contributo in volume (capitolo o saggio))

Type
Label
  • RSU Deployment for Content Dissemination and Downloading in Intelligent Transportation Systems (Contributo in volume (capitolo o saggio)) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.4018/978-1-4666-2223-4.ch005 (literal)
Alternative label
  • Massimo Reineri, Claudio Casetti, Carla-Fabiana Chiasserini, Marco Fiore, Oscar Trullols-Cruces, Jose M. Barcelo-Ordinas (2013)
    RSU Deployment for Content Dissemination and Downloading in Intelligent Transportation Systems
    IGI Global, Hershey (Stati Uniti d'America) in Roadside Networks for Vehicular Communications: Architectures, Applications, and Test Fields, 2013
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Massimo Reineri, Claudio Casetti, Carla-Fabiana Chiasserini, Marco Fiore, Oscar Trullols-Cruces, Jose M. Barcelo-Ordinas (literal)
Pagina inizio
  • 93 (literal)
Pagina fine
  • 117 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • Roadside Networks for Vehicular Communications: Architectures, Applications, and Test Fields (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 25 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Politecnico di Torino, Italy ; INSA-Lyon / Inria, France ; Universitat Politecnica de Catalunya, Spain (literal)
Titolo
  • RSU Deployment for Content Dissemination and Downloading in Intelligent Transportation Systems (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 9781466622234 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • Robil Daher, Alexey Vinel (literal)
Abstract
  • The focus of this chapter is twofold: information dissemination from infrastructure nodes deployed along the roads, the so-called Road-Side Units (RSUs), to passing-by vehicles, and content downloading by vehicular users through nearby RSUs. In particular, in order to ensure good performance for both content dissemination and downloading, the presented study addresses the problem of RSU deployment and reviews previous work that has dealt with such an issue. The RSU deployment problem is then formulated as an optimization problem, where the number of vehicles that come in contact with any RSU is maximized, possibly considering a minimum contact time to be guaranteed. Since such optimization problems turn out to be NP-hard, heuristics are proposed to efficiently approximate the optimal solution. The RSU deployment obtained through such heuristics is then used to investigate the performance of content dissemination and downloading through ns2 simulations. Simulation tests are carried out under various real-world vehicular environments, including a realistic mobility model, and considering that the IEEE 802.11p standard is used at the physical and medium access control layers. The performance obtained in realistic conditions is discussed with respect to the results obtained under the same RSU deployment, but in ideal conditions and protocol message exchange. Based on the obtained results, some useful hints on the network system design are provided. (literal)
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