Optimal Content Downloading in Vehicular Networks
作者： Marco Fiore , Francesco Malandrino , Claudio Casetti , Carla-Fabiana Chiasserini
DOI: 10.1109/TMC.2012.115
关键词:
摘要: We consider a system where users aboard communication-enabled vehicles are interested in downloading different contents from Internet-based servers. This scenario captures many of the infotainment services that vehicular communication is envisioned to enable, including news reporting, navigation maps, and software updating, or multimedia file downloading. In this paper, we outline performance limits such content by modeling process as an optimization problem, maximizing overall throughput. Our approach allows us investigate impact factors, roadside infrastructure deployment, vehicle-to-vehicle relaying, penetration rate technology, even presence large instances problem. Results highlight existence two operational regimes at rates importance efficient, yet 2-hop constrained, relaying.
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