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Author(s): Oscar Puñal
Carlos Pereira
Ana Aguiar
James Gross
Title: Experimental characterization and modeling of RF jamming attacks on VANETs
Issue Date: 2014-05-20
Abstract: In this paper, we evaluate the performance of802.11p-based vehicular communications in the presence of radiofrequency (RF) jamming attacks. Specifically, we characterize thetransmission success rate of a car-to-car link subject to constant,periodic, and reactive RF jamming. First, we conduct extensivemeasurements in an anechoic chamber, where we study the benefitsof built-in techniques for interference mitigation. In addition,we identify that the periodic transmission of preamble-like jammingsignals can hinder successful communication despite beingup to five orders of magnitude weaker than the signal of interest.We further provide the rationale behind this remarkably highjamming effectiveness. Additionally, we quantify the impact ofreaction delay and interference signal length on the effectivenessof the reactive jammer. Then, by means of outdoor measurements,we evaluate the suitability of using the indoor measurements as amodel to characterize the performance of car-to-car communicationsin the presence of RF jamming. Finally, we conduct outdoormeasurements emulating a vehicular platoon and study the threatsthat RF jamming poses to this vehicular ad hoc network (VANET)application. We observe that constant, periodic, but also reactivejamming can hinder communication over large propagation areas,which would threaten road safety.
Document Type: Artigo em Revista Científica Internacional
Rights: openAccess
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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