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Cooperative download in vehicular environments

Oscar Trullols-Cruces 1 Marco Fiore 2 Jose Maria Barcelo-Ordinas 1 
2 URBANET - Réseaux capillaires urbains
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : We consider a complex (i.e., non-linear) road scenario where users aboard vehicles equipped with communication interfaces are interested in downloading large files from road-side Access Points (APs). We investigate the possibility of exploiting opportunistic encounters among mobile nodes so to augment the transfer rate experienced by vehicular downloaders. To that end, we devise solutions for the selection of carriers and data chunks at the APs, and evaluate them in real-world road topologies, under different AP deployment strategies. Through extensive simulations, we show that carry&forward transfers can significantly increase the download rate of vehicular users in urban/suburban environments, and that such a result holds throughout diverse mobility scenarios, AP placements and network loads.
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Submitted on : Thursday, November 3, 2011 - 11:03:56 AM
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Oscar Trullols-Cruces, Marco Fiore, Jose Maria Barcelo-Ordinas. Cooperative download in vehicular environments. IEEE Transactions on Mobile Computing, Institute of Electrical and Electronics Engineers, 2012, 11 (4), pp.663-678. ⟨10.1109/TMC.2011.100⟩. ⟨inria-00637870⟩



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