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TheInternetOfThings(IOT)(物联网)XiaoqingLiCommunicationsandNetworksCenter2013.05.16IOTTheInternetofThingsreferstouniquelyidentifiableobjects(唯一标识对象)andtheirvirtualrepresentations(虚拟表示形式)inanInternet-likestructure.Themeaningofit’snameItmeansthingsandthingsorpeopleandthingsareconnectedwitheachotherbythetechnology.Theycancommunicatewitheachotherinanewway.TheInternetofThingsispartofsmartearthInternetcloudsistheuseofcomputingresources(hardwareandsoftware)whichareavailableinaremotelocationandaccessibleoveranetwork(typicallytheInternet).TherelationshipofIOTandInternet•TheInternetisthefoundationofIOTInternetIOT•DevelopmentoftheIOTisanextensionoftheInternetfoundationextensionSystemstructureofIOTApplicationlayerNetworklayerPerceptionlayerPerceptionlayeristheskinandfacialfeaturesofIOT,itcanidentifytheobjectsandcollecttheinformationNetworklayeristhenervecenteofIOT,andusedtotransmitinformationApplicationlayeristhebrainofIOT,andcanrealizethedataprocessingandapplicationThekeytechnologyofIOT1.Perceptionlayer(感知层)Perceptiontechnology(感知技术):PerceptionmaterialsinformationRFID(RadioFrequencyIdentification)(无线电频率识别)technology:IntelligentidentificationMicroelectromechanicalsystem(MEMS)(微机电系统):GatheringinformationGPS/GIStechnology:globalpositioning/geographicinformationsystem(全球定位/地理信息系统)ThekeytechnologyofIOT2.NetworklayerWirelesssensornetwork(WSN)technology(无线传感器网络)Wi-Fi(WirelessFidelity,wi-fi)Communicationsnetwork,Internet,the3Gnetwork,IPV6GPRSnetwork(GSMsystembasedonwirelesspacketswitchingtechnology,providesend-to-end,wide-areawirelessIPconnection)Radioandtelevisionnetworks(广播和电视网络),NGB(thenextgenerationofbroadcastnetworks)ThekeytechnologyofIOT3.ApplicationlayerERP:EnterpriseResourcePlanningExpertSystemCloudComputingSystemIntegrateIndustryApplicationResourcePackageTheapplicationofIOTWeenvisagethattheInternetofThingswillallowpeopleandthingstobeconnectedAnytime,Anyplace,withAnythingandAnyone,ideallyusingAnypath/networkandAnyservice.TheapplicationofIOTTheapplicationofIOTThemainidentifiedIoTapplicationdomainsCommunicationindustryMunicipaladministrationAgriculturegardenMedicalcareIntelligentbuildingTrafficmanagementFoodsafetyetc.Municipaladministration(市政管理)thebridgecansensevariousparameters,suchaspressure,Vibrationanddisplacementandsoon.ItcanmakeourlivesmoresecureAgriculturegardenUsetheIOTtechnology,wecandetectthegrowthoftheplantsintheroom.Andwedontneedtogotothefarmlandtospraypesticidesorwater.FoodsafetyQR(2-dimensionalbarcode)(二维码)weoftenuseitwhenwewanttoknowthedetailoftheproducts,suchasprices.WeonlyneedtouseourcellphonestoscantheQRcode,thenwewillknowit.Itisconvenient.ThankYouTheInternetOfThingsXiaoqingLi2013.05.16
本文标题:英文课演讲_物联网IOT
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