Efficient Object Localization Using Sparsely

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1、5914IEEETRANSACTIONSONINDUSTRIALELECTRONICS,VOL.60,NO.12,DECEMBER2013EfficientObjectLocalizationUsingSparselyDistributedPassiveRFIDTagsPoYang,WenyanWu,MansourMoniri,andClaudeC.ChibelushiAbstractRadio-frequencyidentification(RFID)technologysearchershaveconsider

2、edtheutilizationofRFIDtechnologyashasbeenwidelyusedinpassiveRFIDlocalizationapplicationdueanalternativetrackingandlocalizationsystem,particularlyfortoitsflexibledeploymentandlowcost.However,currentpassiveindoormovingobjectlocalizationapplications.Thefundamen-

3、RFIDlocalizationsystemscannotachievebothhighlyaccuratetalideaofthissolutionistolocalizethemovingobjectbyusingandprecisemovingobjectlocalizationtaskowingtotagcollisionsandvariationofthebehavioroftags.MostresearchersincreaseRFIDtagsaslandmarksintheenvironment[

4、8]–[11],[14].Thisthedensityoftagdistributiontoimprovelocalizationaccuracyandissimilartotrackingrobotsinadenseenvironment[12]–[14].thenconsiderusingeitheranti-collisionprocessembeddedintheAtypicalRFIDlocalizationsystemconsistsofthreestages;hardwareoftheRFIDre

5、aderoradvancedlocalizationalgorithmsthesearehardwareselection,tagdistribution,andlocalizationtoenhancelocalizationprecision.However,advancedanti-collisionalgorithmselection.Asfortypicalindoormovingobjectlocal-processesforRFIDdevicesarechallengedbythephysical

6、con-straintcharacteristicsofradiofrequency;andimprovedlocaliza-izationapplications,accuracyandprecisionaretwoimportanttionalgorithmcannotfundamentallyreducetheimpactsoftagconcepts:accuracyistheabilityofthesystembeingabletocollisiononlocalizationprecision.Thi

7、sresearchworkattemptsmeasuretheminimummovingdistanceofanobject;precisiontoimprovelocalizationprecisionofapassiveRFIDlocalizationistheabilityofthesystembeingabletoreachhowcloselysystembyusingsparselydistributedRFIDtags.Thispaperfirstandconsistentlythefurtherme

8、asurementscanbeperformedtodefinesameasureforaccuracyandprecisioninapassiveRFIDlocalizationsystemwithregardtoRFIDtagdistribution.Anobtaintheidealaccurateresult.InRFIDlocalizationsystems,exponentia