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《Distributed Sensor Networks.24-05-2011》由會(huì)員上傳分享，免費(fèi)在線(xiàn)閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、DistributedSensorNetworksZhiWang24thMay,2011Outline?IntroductionofDistributedSensorNetworks?ConnectivityinLarge-scaleSensorNetwork?Two-hopBasedReal-TimeRoutingProtocolforWirelessSensorNetworks?RelativePositionsforSmallTeamsofMobileUnits?Connectivity-awarem
2、otioncontrolamongautonomousmobileunits?HierTrack:AReal-TimeWirelessSensorNetworkSystemforTargetTracking,?SurveyofCompressiveSensingIntroductionofDSN?distributedsensornetworksmotivation?systemdesignthemes?timeandspace:synchronization,location,coverage?in-ne
3、tworkcomputation?―dataisking‖?SensingQoS?illustrativesensornetapplication,systemstructureHighlevelmotivationtoSensorNetworkCyberPhysicalSystem?InternetofThing?感知中國(guó)?Extendcomputingintothephysicalworldthroughsensors/actuators?Autonomouslymonitorandinteractwi
4、th(bridgesensor,warfare,environment,…..)?Manyinexpensivesensors:bettercoverage+robust?Coordinationisachallengecourseinfo4MotivationfrompracticalapplicationsImagine:?high-risebuildingsself-detectstructuralfaults(e.g.,weldcracks)?schoolsdetectairborntoxinsat
5、lowconcentrations,tracecontaminanttransporttosource?buoysalertswimmerstodangerousbacteriallevels?earthquake-rubbledbuildinginfiltratedwithrobotsandsensors:locatesurvivors,evaluatestructuraldamage?ecosystemsinfusedwithchemical,physical,acoustic,imagesensors
6、totrackglobalchangeparameters?battlefieldsprinkledwithsensorsthatidentifytrackfriendly/foeair,groundvehicles,personnelDSN:EnablingTechnologiesNumerousdistributedembededNetworkdevicesdevicestomonitorandinteracttocoordinateandperformwithphysicalworldhigher-l
7、eveltasksEmbeddedNetworkedExploitControlsystemwith/collaborativeSmallformfactorSensing,actionUntetherednodesSensingTightlycoupledtophysicalworldExploitspatially/temporallydense,insitu/remote,sensing/actuationEnablingtechnologiesforWSN?Costreduction?Forwire
8、lesscommunication,simplemicrocontroller,sensing,batteries?Miniaturization?Someapplicationsdemandsmallsize?―Smartdust‖asthemostextremevision?Energyscavenging?Rechargebatteriesfromambientenergy(light,vibration,
