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1、S・Leeetal.:APyroelectricInfraredSensor-basedIndoorLocation-AwareSystemfortheSmartHomeAPyroelectricInfraredSensor-basedIndoorLocation-AwareSystemfortheSmartHomeSukLee,Member.IEEE,KyoungNamHa,KyungChangLee,Member.IEEEAbstract—Smarthomeisexpectedtooffervariousintelligentservicesbyrec
2、ognizingresidentsalongwiththeirlifestyleandfeelings.Oneofthekeyissuesforrealizingthesmarthomeishowtodetectthelocationsofresidents.Currently,theresearcheffortisfocusedontwoapproaches:terminal-basedandnon-terminal-basedmethods.Theterminal-basedmethodemploysatypeofdevicethatshouldbec
3、arriedbytheresidentwhilethenon-tenninal-basedmethodrequiresnosuchdevice・Thispaperpresentsanovelnon-terminal-basedapproachusinganarrayofpyroelectricinfraredsensors(PIRsensors)thatcandetectresidents.ThefeasibilityofthesystemisevaluatedexperimentallyonatestbedIndexTerms——smarthome,lo
4、cation-basedservice,pyroelectricinfraredsensor(PIRsensor),location-recognitionalgorithmI.INTRODUCTIONThereisagrowinginterestinsmarthomeasawaytoofferaconvenient,comfortable,andsaferesidentialenvironment[1],[2].Ingeneral,thesmarthomeaimstoofferappropriateintelligentservicestoactivel
5、yassistintheresident'slifesuchashousework,amusement,rest,andsleep.Hence,inordertoenhancetheresident^convenienceandsafety,devicessuchashomeappliances,multimediaappliances,andinternetappliancesshouldbeconnectedviaahomenetworksystem,asshowninFig.1，andtheyshouldbecontrolledormonitored
6、remotelyusingatelevision(TV)orpersonaldigitalassistant(PDA)[3],[4].IxxrenehMxksystemmobileiInternetJhomegat©wayFnetworkcontrolnetwork0lighVH^MDcontrbackbonenetworkAVnetvo-kITaudio&videocellularphone.PDA.etc.Fig.1.ArchitectureofthehomenetworksystemforsmarthomeEspecially,attentionh
7、asbeenfocusedonlocation-basedservicesasawaytoofferhigh-qualityintelligentservices,whileconsideringhumanfactorssuchaspatternofliving,health,andfeelingsofaresident[5]-[7].Thatis,ifthesmarthomecanrecognizetheresident'spatternoflivingorhealth,thenhomeappliancesshouldbeabletoanticipate
8、theresident'sneedsandofferappropr
