ntandarelaidoutsothatdetectionareasofadjacentsensorsoverlap.BycombiningtheoutputsofmultiplePIRsensors,thesystemisabletolocatearesidentwithareasonabledegreeofaccuracy.Thissystemhasinherentadvantageofnon-terminalbasedmethodswhileavoidingprivacyandextendibility,maintenanceissues.Inordertodemonstrateitsefficacy,anexperimentaltestbedhasbeenconstructed,andtheproposedsystemhasbeenevaluatedexperimentallyundervariousexperimentalconditions.Thispaperisorganizedintofoursections,includingthisintroduction.SectionIIpresentsthearchitectureofthePIRsensor-basedindoorlocation-awaresystem(PILAS),andthelocation-recognitionalgorithm.SectionIIIdescribesaresident-detectionmethodusingPIRsensors,andevaluatestheperformanceofthesystemundervariousconditionsusinganexperimentaltestbed.Finally,asummaryandtheconclusionsarepresentedinSectionIV.II.ARCHITECTUREOFTHEPIRSENSOR-BASEDINDOORLOCATION-AWARESYSTEMA缓解这一问题,我们认为处于房间边缘传感器稍微向内补偿,结果就如图(c)。
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