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Security Analysis of Wireless Sensor Networks in Intelligent Transportation Systems
2011(第四届)全国网络与信息安全学术会议 Telecommarket SecurityAnalysisofW irelessSensorNetworksin IntelligentTransp0rtati0nSystems ZhouJing (SchoolofElectronicsandInformation,TongjiUniversity,Shanghai,201804,China) Abstract:Theapplication ofWirelessSensorNetworks (WSNs)in Intelligent TransportationSystems(ITSs)hasbeenthetopicofextensiveresearchinhtelast decade.Transportation infrastructureiSsupportedwiththeingeniousachievementsof computerandinformationtechnologytoresolveseveresituationsliketra伍Ccongestion andcopewithemergencyconditions1ikemajoraccidents.Sensornodesrfequently reportthedatatheycaputretoacentralcollectionunithtatanalyzesthedataandtakes appropriateactionsifneeded.Dueto inherentresourceand computing constraints, securityposesseriouschallengesintheapplication.InparticulaLthedifferentaspectsof security (confidentiality,integrity,andavailability)strongly enticedtheresearch devoted toITSs.Thispaperpresentsan in—depth investigationofsecurityproblems uniquetoW SNs—basedITSsandanalyzessomeeffectivecountermeasurestoachievea certainclassofsecurity. Keywords: W irelessSensorNetworks,IntelligentTransportationSystems,Security. 1.Introduction 1.1W irelessSensorNetworks A wirelesssensornetwork (WSN)iSawirelessnetworkconsistingofspatially distributed autonomousdevicesusing sensorsto cooperatively monitorphysicalor environmentalconditions,suchastemperautre,sound,vibration,pressure,motionor pollutants,atdifferent1ocations. 1『1Applicationsofwirelesssensornetworksare numerousandstil1growingsincethesensorscanproducehighqualityinfomr ationof thefieldmonitoredbythewirelesssensornetworkwithalowcost.Themainobjective ofW SNsistomonitorphysicalorenvironmentalphenomenaliketemperautre,sound, vibration,relativehumidity,pollutants,etc.Startingwithcriticalmilitaryapplications like battlefield surveillance.W SNs evenutally entered enomr ous numberofcivil ap
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