Security Analysis of Wireless Sensor Networks in Intelligent Transportation Systems.pdf

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