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外文翻译--无芯片标签,下一个RFID前沿 英文版.pdf

CHIPLESSTAGS,THENEXTRFIDFRONTIERSTEDJINI,EPERRET,VDEEPU,ANDMBERNIER1INTRODUCTIONEVENIFTHECONCEPTOFRADIOFREQUENCYIDENTIFICATIONRFIDWASINTRODUCEDMANYDECADESAGO1,ITISSTILLVERYATTRACTIVEANDFERTILEINTERMOFRDANDNEWAPPLICATIONS2TODAY,RFIDISSEENASAVERYENABLINGTECHNOLOGYANDITISUNDERCONSIDERATIONFORTHOUSANDSOFAPPLICATIONSCOVERINGALARGEVARIETYOFDOMAINSAMONGTHEMIDPAPERS,SECURITY,ACCESSCONTROL,ROADTOLL,TICKETING,PHARMACY,LOGISTIC,MANUFACTURING,GAMBLING,ETC3DUETOTHEIRRELATIVELOWCOSTANDLARGEDISTANCEOFCOMMUNICATION,PASSIVEIE,BATTERYLESSUHFTAGSAREVERYPROMISINGTHECRUCIALISSUESOFCOST,EFFICIENCY,RELIABILITY,SECURITY,ANDSTANDARDSAREUNDERCONSIDERATIONBYSEVERALGROUPSWORLDWIDE3RESEARCHONPASSIVETAGS,PARTICULARLYUHFTAGS,ISSTILLVERYACTIVEINORDERTOENSUREINTEROPERABILITY,LOWCOSTREQUIREMENT,ANDDATASECURITYTHEINTEROPERABILITYISNEEDEDSINCETHEREARETHREEFREQUENCYBANDSWORLDWIDEROUGHLY,THEOPERATINGFREQUENCYBANDS865–869MHZFOREUROPE,902–928MHZ,FORAMERICASANDUSA,952–954MHZINJAPAN,CHINA,ANDMOSTOFASIA4THEINTEROPERABILITYREQUIRESTHEDEVELOPMENTOFEFFICIENTMINIATURIZEDANTENNAABLETOCOVERTHETHREERFIDUHFBANDSPRIVACYISHIGHLYDEPENDANTONTHESECURITYOFTHEDATACONTAINEDINTHERFIDCHIPTODAY,DIFFERENTMICROELECTRONICTECHNOLOGIESAREAVAILABLEFORMANUFACTURINGRFIDCHIPSCMOS,ASIC,ANDEEPROMARETHEBESTKNOWNEXAMPLES4,5ASTHEIFF6IDENTIFICATIONOFFRIENDORFOEWASTHEFIRSTAPPLICATIONOFRFID,DURINGWORLDWARII,THEALLIESUSEDTHECRYPTOGRAPHYONIFFTRANSPONDERSINTODAY’SRFID,CHIPONTAGCRYPTOGRAPHYISGENERALLYDESIRABLEANDCANBEIMPLEMENTEDINMANYAPPLICATIONSHOWEVER,ONTAGCRYPTOGRAPHYISSTILLPROHIBITIVEWHENITVIOLATESAPPLICATIONREQUIREMENTS,SUCHASPOWERORCOSTCONSTRAINTS7THETHIRDISSUECONCERNSTHECOSTOFTHETAGINADDITIONTOTHECOSTOFTHERFIDICANDTHEANTENNA,THECOSTOFTHETAGWILLDEPENDONTHECONNECTIONMANUFACTURINGPROCESSBETWEENTHEANTENNAANDTHEICRFIDCHIPEVENIFMUCHPROGRESSHASBEENMADEINANTENNASTEDJINIENC12,EPERRET,VDEEPU,ANDMBERNIERGRENOBLEINP/LCIS,ESISAR,F26902VALENCE,FRANCEEMAILSMAILTEDJINILCISGRENOBLEINPFRDGIUSTOETALEDS,THEINTERNETOFTHINGS20THTYRRHENIANWORKSHOPONDIGITALCOMMUNICATIONS,DOI101007/978144191674723,CCRSPRINGERSCIENCEBUSINESSMEDIA,LLC2010239240STEDJINIETALCOSTREDUCTIONUSINGLOWCOSTSUBSTRATEANDINKPRINTING8OFATLEASTAPARTOFTHEANTENNA,THEINTERCONNECTIONBETWEENANTENNAANDRFIDICPORTSSTILLDEMANDSBETTERRELIABILITY9,10ONEALTERNATIVEFORBETTERDATASECURITYANDLOWCOSTOBJECTIVEISTOCONSIDERCHIPLESSSOLUTIONSRECENTLYMANYDESIGNSOFCHIPLESSRFIDSINTHEMICROWAVEREGIONHAVEBEENREPORTEDINLITERATUREMICROWAVETAGSORRFTAGSHAVEOBVIOUSADVANTAGESOFLONGERRANGECOMPAREDTOOPTICALBARCODESANDAREEASYTOBEFABRICATEDBYCONVENTIONALLITHOGRAPHICTECHNIQUESTHISISAVERYINTERESTINGAPPROACHUNDERDEVELOPMENTINMANYLABSINTHISCOMMUNICATION,WEDISCUSSDIFFERENTAPPROACHESANDADVANCESFORUHFTAGDESIGNSECTION2WILLDISCUSSTHETRADITIONALTAGSBASEDONRFIDCHIPSECTION3ISDEDICATEDTOCHIPLESSBOTHRFANDTHZCHIPLESSPOSSIBILITIESAREPRESENTEDANDDISCUSSEDSOMESIMULATIONRESULTSOFNEWLYPROPOSEDSTRUCTURESAREREPORTED2TRADITIONALRFIDTAGNOWADAYS,UHFRADIOFREQUENCYIDENTIFICATIONRFIDTECHNOLOGYISGENERATINGMUCHINTERESTININDUSTRIALANDACADEMICINSTITUTIONSOWINGTOITSIMMENSEPOTENTIALINTRACKINGTHISISWHYTHEDESIGNOFUHFRFIDTAGSWITHHIGHPERFORMANCESANDLOWCOSTISAVERYACTIVEFIELDOFRESEARCHUHFTAGSWITHRELATIVELYLOWCOSTHAVEBEENINPLACEFORTHELAST10YEARSHOWEVER,THEDEPLOYMENTINHIGHVOLUMEOFTHISTECHNOLOGYISSTILLHELDBACKBYTHERELATIVELYHIGHCOSTOFTHESETAGSTHISISAPARTOFTHESITUATION,BUTITISNOTTHEONLYREASONINDEED,IFWECONSIDERTHECASEOFHFRFID,ONECANNOTICETHATSUCHTAGSARERELATIVELYCLOSETOTHEUHFTAGSREGARDINGMANUFACTURINGPROCESS,TECHNOLOGYANDINSITUMATERIALSTHESETAGSAREALSOCOMPOSEDOFASILICONCHIPANDMETALSTRIPSFORCOMMUNICATINGWITHTHEREADER,ANDTHUSTHECOSTSOFBOTHOFTHESETAGSUHANDUHFARECOMPARABLEBUTTHEFIELDOFAPPLICATIONISQUITEDIFFERENTTHEHFTAGSAREUSEDFORSHORTRANGEAPPLICATIONSHOWEVER,IFWECONSIDERTHEMASSMARKET,INSPITEOFTHISREALHANDICAPFORMAINTENANCEORHANDLINGREASON,ITISGENERALLYBETTERTOBEABLETOREADALLTAGSINVOLVEDINASPECIFICAREAREMOTELY,HFTAGSARESTILLTHEMOSTINVOLVEDINTHISSECTORTHEREASONFORTHISISNOTECONOMICALTAGSPRICESARECOMPARABLEBUTTECHNICALINDEED,INREALSITUATION,THEHFTAGSAREMOREROBUSTTHANTHEUHFTAGSTHISHASANEXTREMELYIMPORTANTIMPACTFORTHEFINALUSERWITHOUTPRELIMINARYTEST,AUNIQUEHFTAGCANBEUSEDWITHAVERYGREATNUMBEROFOBJECTSFOREXAMPLE,INPRACTICE,THERFIDSYSTEMOPERATIONWILLNOTBEDISTURBEDIFTHEOBJECT,ONWHICHTHETAGISPLACED,CONTAINSMETALSORNOTINTHECASEOFUHF,THEENVIRONMENTTHEOBJECTONWHICHTHETAGISPLACED,ASWELLASTHECLOSEENVIRONMENTINWHICHTHETAGSAREUSEDAFFECTSTHEIRCHARACTERISTICSCONSIDERABLYINPARTICULAR,WHENTHETAGISPLACEDINANENVIRONMENTDIFFERENTFROMWHICHITWASSPECIFICALLYDESIGNEDFOR,THEPERFORMANCESOFTHESYSTEMCANBERAPIDLYDAMAGED,ANDTHUSTHEPOTENTIALFORTHISTECHNOLOGYISLIMITEDHOWEVER,CHIPLESSTAGS,THENEXTRFIDFRONTIER241WEREMINDTHATTHISAPPLICATIONWOULDBEVIABLEFORDETECTIONINABOUT99CASESGENERALOBSERVATIONSCOULDLEADONETONOTICETHATTRACKINGOBJECTSHAVENEITHERTHESAMEELECTROMAGNETICPROPERTIES,NORTHESAMEGEOMETRICALSIZEMOREOVER,CONSIDERINGTHETRENDOFNEWAPPLICATIONS,ITISEXPECTEDTHATTHETAGSWILLBEINTEGRATEDDIRECTLYINTHEOBJECTITSELFINDEED,ITISINTERESTINGTOFOLLOWTHEOBJECTTHROUGHOUTITSDIFF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