ETSI TS 102 562 V1.1.1 (2007-03) Electromagnetic c

ETSITS102562V1.1.1(2007-03)TechnicalSpecificationElectromagneticcompatibilityandRadiospectrumMatters(ERM);ImprovedspectrumefficiencyforRFIDintheUHFBandETSIETSITS102562V1.1.1(2007-03)2ReferenceDTS/ERM-TG34-258Keywordsradio,SRD,UHFETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableat:©EuropeanTelecommunicationsStandardsInstitute2007.Allrightsreserved.DECTTM,PLUGTESTSTMandUMTSTMareTradeMarksofETSIregisteredforthebenefitofitsMembers.TIPHONTMandtheTIPHONlogoareTradeMarkscurrentlybeingregisteredbyETSIforthebenefitofitsMembers.3GPPTMisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.ETSIETSITS102562V1.1.1(2007-03)3ContentsIntellectualPropertyRights................................................................................................................................4Foreword.............................................................................................................................................................41Scope........................................................................................................................................................52References................................................................................................................................................53Definitions,symbolsandabbreviations...................................................................................................63.1Definitions..........................................................................................................................................................63.2Symbols..............................................................................................................................................................73.3Abbreviations.....................................................................................................................................................74Channelsharing........................................................................................................................................74.1Generalconcept..................................................................................................................................................74.2Denseinterrogatormode....................................................................................................................................84.2.1Spectrummaskfortag..................................................................................................................................94.3Principlesofsynchronization.............................................................................................................................94.3.1Basicprinciples.............................................................................................................................................94.4Networkedapproach.........................................................................................................................................104.4.1Centralizedsystems....................................................................................................................................104.4.1.1Outlinedescription................................................................................................................................104.4.1.2Interfacerequirementsforinterrogators................................................................................................114.4.1.3LBTtransceiverincentralizedsystems.................................................................................................124.4.2Floatingmasters..........................................................................................................................................124.4.2.1Outlinedescription................................................................................................................................124.4.2.2Detai