RFIDHandbook:FundamentalsandApplicationsinContactlessSmartCardsandIdentification, SecondEdition KlausFinkenzeller Copyright2003JohnWiley&Sons,Ltd. ISBN:0-470-84402-7 RFID Handbook Second Edition RFID Handbook Fundamentals and Applications in Contactless Smart Cards and Identification Second Edition Klaus Finkenzeller Giesecke&DevrientGmbH,Munich,Germany Translatedby Rachel Waddington MemberoftheInstituteofTranslationandInterpreting FirstpublishedunderthetitleRFID-Handbuch,2Auflage byCarlHanserVerlag CarlHanserVerlag,Munich/FRG,1999Allrightsreserved Authorizedtranslationfromthe2ndeditionintheoriginalGermanlanguage publishedbyCarlHanserVerlag,Munich/FRG Copyright2003 JohnWiley&SonsLtd,TheAtrium,SouthernGate,Chichester, WestSussexPO198SQ,England Telephone(+44)1243779777 Email(forordersandcustomerserviceenquiries):[email protected] VisitourHomePageonwww.wileyeurope.comorwww.wiley.com AllRightsReserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemor transmittedinanyformorbyanymeans,electronic,mechanical,photocopying,recording,scanningor otherwise,exceptunderthetermsoftheCopyright,DesignsandPatentsAct1988orunderthetermsofa licenceissuedbytheCopyrightLicensingAgencyLtd,90TottenhamCourtRoad,LondonW1T4LP, UK,withoutthepermissioninwritingofthePublisher.RequeststothePublishershouldbeaddressedto thePermissionsDepartment,JohnWiley&SonsLtd,TheAtrium,SouthernGate,Chichester,West SussexPO198SQ,England,[email protected],orfaxedto(+44)1243770571. 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[RFIDHandbuch.English] RFIDhandbook:fundamentalsandapplicationsincontactlesssmartcardsand identifcation/KlausFinkenzeller;translatedbyRachelWaddington.—2nded. p.cm. Includesbibliographicalreferencesandindex. ISBN0-470-84402-7(alk.paper) 1.Inventorycontrol—Automation.2.Radiofrequencyidentificationsystems.3.Smart. cards. I.Title. TS160.F55132003 658.7(cid:1)87—dc21 2002192439 BritishLibraryCataloguinginPublicationData AcataloguerecordforthisbookisavailablefromtheBritishLibrary ISBN0-470-84402-7 Typesetin10/12ptTimesbyLaserwordsPrivateLimited,Chennai,India PrintedandboundinGreatBritainbyAntonyRoweLtd,Chippenham,Wiltshire Thisbookisprintedonacid-freepaperresponsiblymanufacturedfromsustainableforestry inwhichatleasttwotreesareplantedforeachoneusedforpaperproduction. Contents PREFACE xiii LISTOFABBREVIATIONS xv 1 Introduction 1 1.1 AutomaticIdentificationSystems 2 1.1.1 Barcodesystems 2 1.1.2 Opticalcharacterrecognition 3 1.1.3 Biometricprocedures 4 1.1.3.1 Voiceidentification 4 1.1.3.2 Fingerprintingprocedures(dactyloscopy) 4 1.1.4 Smartcards 5 1.1.4.1 Memorycards 5 1.1.4.2 Microprocessorcards 6 1.1.5 RFIDsystems 6 1.2 AComparisonofDifferentIDSystems 7 1.3 ComponentsofanRFIDSystem 7 2 Differentiation Features of RFID Systems 11 2.1 FundamentalDifferentiationFeatures 11 2.2 TransponderConstructionFormats 13 2.2.1 Disksandcoins 13 2.2.2 Glasshousing 14 2.2.3 Plastichousing 14 2.2.4 Toolandgasbottleidentification 15 2.2.5 Keysandkeyfobs 17 2.2.6 Clocks 18 2.2.7 ID-1format,contactlesssmartcards 18 2.2.8 Smartlabel 19 2.2.9 Coil-on-chip 20 2.2.10 Otherformats 21 2.3 Frequency,RangeandCoupling 22 2.4 InformationProcessingintheTransponder 23 2.4.1 Low-endsystems 23 2.4.2 Mid-rangesystems 24 2.4.3 High-endsystems 25 2.5 SelectionCriteriaforRFIDSystems 25 2.5.1 Operatingfrequency 26 2.5.2 Range 26 vi CONTENTS 2.5.3 Securityrequirements 27 2.5.4 Memorycapacity 28 3 Fundamental Operating Principles 29 3.1 1-BitTransponder 29 3.1.1 Radiofrequency 30 3.1.2 Microwaves 33 3.1.3 Frequencydivider 35 3.1.4 Electromagnetictypes 36 3.1.5 Acoustomagnetic 37 3.2 FullandHalfDuplexProcedure 40 3.2.1 Inductivecoupling 41 3.2.1.1 Powersupplytopassivetransponders 41 → 3.2.1.2 Datatransfertransponder reader 42 3.2.2 Electromagneticbackscattercoupling 47 3.2.2.1 Powersupplytothetransponder 47 → 3.2.2.2 Datatransmission reader 49 3.2.3 Closecoupling 49 3.2.3.1 Powersupplytothetransponder 49 → 3.2.3.2 Datatransfertransponder reader 50 3.2.4 Electricalcoupling 51 3.2.4.1 Powersupplyofpassivetransponders 51 → 3.2.4.2 Datatransfertransponder reader 53 → 3.2.5 Datatransferreader transponder 53 3.3 SequentialProcedures 54 3.3.1 Inductivecoupling 54 3.3.1.1 Powersupplytothetransponder 54 3.3.1.2 AcomparisonbetweenFDX/HDXandSEQsystems 54 → 3.3.1.3 Datatransmissiontransponder reader 56 3.3.2 Surfaceacousticwavetransponder 57 4 Physical Principles of RFID Systems 61 4.1 MagneticField 61 4.1.1 MagneticfieldstrengthH 61 4.1.1.1 PathoffieldstrengthH(x)inconductorloops 62 4.1.1.2 Optimalantennadiameter 65 4.1.2 Magneticfluxandmagneticfluxdensity 66 4.1.3 InductanceL 67 4.1.3.1 Inductanceofaconductorloop 68 4.1.4 MutualinductanceM 68 4.1.5 Couplingcoefficientk 70 4.1.6 Faraday’slaw 71 4.1.7 Resonance 73 4.1.8 Practicaloperationofthetransponder 78 4.1.8.1 Powersupplytothetransponder 78 4.1.8.2 Voltageregulation 78 CONTENTS vii 4.1.9 InterrogationfieldstrengthHmin 80 4.1.9.1 Energyrangeoftranspondersystems 82 4.1.9.2 Interrogationzoneofreaders 84 4.1.10 Totaltransponder—readersystem 86 4.1.10.1 TransformedtransponderimpedanceZ’T 88 4.1.10.2 InfluencingvariablesofZ’T 90 4.1.10.3 Loadmodulation 97 4.1.11 Measurementofsystemparameters 103 4.1.11.1 Measuringthecouplingcoefficientk 103 4.1.11.2 Measuringthetransponderresonantfrequency 105 4.1.12 Magneticmaterials 106 4.1.12.1 Propertiesofmagneticmaterialsandferrite 107 4.1.12.2 FerriteantennasinLFtransponders 108 4.1.12.3 Ferriteshieldinginametallicenvironment 109 4.1.12.4 Fittingtranspondersinmetal 110 4.2 ElectromagneticWaves 111 4.2.1 Thegenerationofelectromagneticwaves 111 4.2.1.1 Transitionfromnearfieldtofarfieldinconductorloops 112 4.2.2 RadiationdensityS 114 4.2.3 CharacteristicwaveimpedanceandfieldstrengthE 115 4.2.4 Polarisationofelectromagneticwaves 116 4.2.4.1 Reflectionofelectromagneticwaves 117 4.2.5 Antennas 119 4.2.5.1 Gainanddirectionaleffect 119 4.2.5.2 EIRPandERP 120 4.2.5.3 Inputimpedance 121 4.2.5.4 Effectiveapertureandscatteraperture 121 4.2.5.5 Effectivelength 124 4.2.5.6 Dipoleantennas 125 4.2.5.7 Yagi–Udaantenna 127 4.2.5.8 Patchormicrostripantenna 128 4.2.5.9 Slotantennas 130 4.2.6 Practicaloperationofmicrowavetransponders 131 4.2.6.1 Equivalentcircuitsofthetransponder 131 4.2.6.2 Powersupplyofpassivetransponders 133 4.2.6.3 Powersupplyofactivetransponders 140 4.2.6.4 Reflectionandcancellation 141 4.2.6.5 Sensitivityofthetransponder 142 4.2.6.6 Modulatedbackscatter 143 4.2.6.7 Readrange 145 4.3 SurfaceWaves 148 4.3.1 Thecreationofasurfacewave 148 4.3.2 Reflectionofasurfacewave 150 4.3.3 FunctionaldiagramofSAWtransponders(Figure4.95) 151 4.3.4 Thesensoreffect 153 4.3.4.1 Reflectivedelaylines 154 4.3.4.2 Resonantsensors 155 viii CONTENTS 4.3.4.3 Impedancesensors 157 4.3.5 Switchedsensors 159 5 Frequency Ranges and Radio Licensing Regulations 161 5.1 FrequencyRangesUsed 161 5.1.1 Frequencyrange9–135kHz 161 5.1.2 Frequencyrange6.78MHz 163 5.1.3 Frequencyrange13.56MHz 163 5.1.4 Frequencyrange27.125MHz 163 5.1.5 Frequencyrange40.680MHz 165 5.1.6 Frequencyrange433.920MHz 165 5.1.7 Frequencyrange869.0MHz 166 5.1.8 Frequencyrange915.0MHz 166 5.1.9 Frequencyrange2.45GHz 166 5.1.10 Frequencyrange5.8GHz 166 5.1.11 Frequencyrange24.125GHz 166 5.1.12 SelectionofasuitablefrequencyforinductivelycoupledRFIDsystems 167 5.2 EuropeanLicensingRegulations 169 5.2.1 CEPT/ERCREC70-03 169 5.2.1.1 Annex1:Non-specificshortrangedevices 170 5.2.1.2 Annex4:Railwayapplications 171 5.2.1.3 Annex5:Roadtransportandtraffictelematics 172 5.2.1.4 Annex9:Inductiveapplications 172 5.2.1.5 Annex11:RFIDapplications 172 5.2.1.6 Frequencyrange868MHz 173 5.2.2 EN300330:9kHz–25MHz 173 5.2.2.1 Carrierpower—limitvaluesforHfieldtransmitters 173 5.2.2.2 Spuriousemissions 175 5.2.3 EN300220-1,EN300220-2 175 5.2.4 EN300440 176 5.3 NationalLicensingRegulationsinEurope 177 5.3.1 Germany 177 5.4 NationalLicensingRegulations 179 5.4.1 USA 179 5.4.2 Futuredevelopment:USA–Japan–Europe 180 6 Coding and Modulation 183 6.1 CodingintheBaseband 184 6.2 DigitalModulationProcedures 186 6.2.1 Amplitudeshiftkeying(ASK) 186 6.2.2 2FSK 189 6.2.3 2PSK 190 6.2.4 Modulationprocedureswithsubcarrier 191 7 Data Integrity 195 7.1 TheChecksumProcedure 195 CONTENTS ix 7.1.1 Paritychecking 195 7.1.2 LRCprocedure 196 7.1.3 CRCprocedure 197 7.2 Multi-AccessProcedures—Anticollision 200 7.2.1 Spacedivisionmultipleaccess(SDMA) 202 7.2.2 Frequencydomainmultipleaccess(FDMA) 204 7.2.3 Timedomainmultipleaccess(TDMA) 205 7.2.4 Examplesofanticollisionprocedures 206 7.2.4.1 ALOHAprocedure 206 7.2.4.2 SlottedALOHAprocedure 208 7.2.4.3 Binarysearchalgorithm 212 8 Data Security 221 8.1 MutualSymmetricalAuthentication 221 8.2 AuthenticationUsingDerivedKeys 223 8.3 EncryptedDataTransfer 224 8.3.1 Streamcipher 225 9 Standardisation 229 9.1 AnimalIdentification 229 9.1.1 ISO11784—Codestructure 229 9.1.2 ISO11785—Technicalconcept 230 9.1.2.1 Requirements 230 9.1.2.2 Full/halfduplexsystem 232 9.1.2.3 Sequentialsystem 232 9.1.3 ISO14223—Advancedtransponders 233 9.1.3.1 Part1—Airinterface 233 9.1.3.2 Part2—Codeandcommandstructure 234 9.2 ContactlessSmartCards 236 9.2.1 ISO10536—Closecouplingsmartcards 237 9.2.1.1 Part1—Physicalcharacteristics 238 9.2.1.2 Part2—Dimensionsandlocationsofcouplingareas 238 9.2.1.3 Part3—Electronicsignalsandresetprocedures 238 9.2.1.4 Part4—Answertoresetandtransmissionprotocols 239 9.2.2 ISO14443—Proximitycouplingsmartcards 240 9.2.2.1 Part1—Physicalcharacteristics 240 9.2.2.2 Part2—Radiofrequencyinterference 240 9.2.2.3 Part3—Initialisationandanticollision 245 9.2.2.4 Part4—Transmissionprotocols 251 9.2.3 ISO15693—Vicinitycouplingsmartcards 256 9.2.3.1 Part1—Physicalcharacteristics 256 9.2.3.2 Part2—Airinterfaceandinitialisation 256 9.2.4 ISO10373—Testmethodsforsmartcards 260 9.2.4.1 Part4:Testproceduresforclosecouplingsmartcards 261 9.2.4.2 Part6:Testproceduresforproximitycouplingsmartcards 261 9.2.4.3 Part7:Testprocedureforvicinitycouplingsmartcards 264 x CONTENTS 9.3 ISO69873—DataCarriersforToolsandClampingDevices 265 9.4 ISO10374—ContainerIdentification 265 9.5 VDI4470—Anti-theftSystemsforGoods 265 9.5.1 Part1—Detectiongates—inspectionguidelinesforcustomers 265 9.5.1.1 Ascertainingthefalsealarmrate 266 9.5.1.2 Ascertainingthedetectionrate 267 9.5.1.3 FormsinVDI4470 267 9.5.2 Part2—Deactivationdevices,inspectionguidelinesforcustomers 268 9.6 ItemManagement 268 9.6.1 ISO18000series 268 9.6.2 GTAGinitiative 269 9.6.2.1 GTAGtransportlayer(physicallayer) 270 9.6.2.2 GTAGcommunicationandapplicationlayer 271 10 The Architecture of Electronic Data Carriers 273 10.1 TransponderwithMemoryFunction 273 10.1.1 HFinterface 273 10.1.1.1 Examplecircuit—loadmodulationwithsubcarrier 274 10.1.1.2 Examplecircuit—HFinterfaceforISO14443transponder 276 10.1.2 Addressandsecuritylogic 278 10.1.2.1 Statemachine 279 10.1.3 Memoryarchitecture 280 10.1.3.1 Read-onlytransponder 280 10.1.3.2 Writabletransponder 281 10.1.3.3 Transponderwithcryptologicalfunction 281 10.1.3.4 Segmentedmemory 284 10.1.3.5 MIFARE applicationdirectory 286 10.1.3.6 DualportEEPROM 289 10.2 Microprocessors 292 10.2.1 Dualinterfacecard 293 10.2.1.1 MIFARE plus 295 10.2.1.2 Modernconceptsforthedualinterfacecard 296 10.3 MemoryTechnology 298 10.3.1 RAM 299 10.3.2 EEPROM 299 10.3.3 FRAM 300 10.3.4 PerformancecomparisonFRAM—EEPROM 302 10.4 MeasuringPhysicalVariables 302 10.4.1 Transponderwithsensorfunctions 302 10.4.2 Measurementsusingmicrowavetransponders 303 10.4.3 Sensoreffectinsurfacewavetransponders 305 11 Readers 309 11.1 DataFlowinanApplication 309 11.2 ComponentsofaReader 309 CONTENTS xi 11.2.1 HFinterface 311 11.2.1.1 Inductivelycoupledsystem,FDX/HDX 312 11.2.1.2 Microwavesystems—halfduplex 313 11.2.1.3 Sequentialsystems—SEQ 314 11.2.1.4 MicrowavesystemforSAWtransponders 315 11.2.2 Controlunit 316 11.3 LowCostConfiguration—ReaderICU2270B 317 11.4 ConnectionofAntennasforInductiveSystems 319 11.4.1 Connectionusingcurrentmatching 320 11.4.2 Supplyviacoaxialcable 322 11.4.3 TheinfluenceoftheQfactor 325 11.5 ReaderDesigns 326 11.5.1 OEMreaders 326 11.5.2 Readersforindustrialuse 327 11.5.3 Portablereaders 328 12 The Manufacture of Transponders and Contactless Smart Cards 329 12.1 GlassandPlasticTransponders 329 12.1.1 Modulemanufacture 329 12.1.2 Semi-finishedtransponder 330 12.1.3 Completion 332 12.2 ContactlessSmartCards 332 12.2.1 Coilmanufacture 333 12.2.2 Connectiontechnique 336 12.2.3 Lamination 338 13 Example Applications 341 13.1 ContactlessSmartCards 341 13.2 PublicTransport 342 13.2.1 Thestartingpoint 343 13.2.2 Requirements 344 13.2.2.1 Transactiontime 344 13.2.2.2 Resistancetodegradation,lifetime,convenience 344 13.2.3 BenefitsofRFIDsystems 345 13.2.4 Faresystemsusingelectronicpayment 346 13.2.5 Marketpotential 346 13.2.6 Exampleprojects 347 13.2.6.1 Korea—seoul 347 13.2.6.2 Germany—Lu¨neburg,Oldenburg 349 13.2.6.3 EUProjects—ICAREandCALYPSO 350 13.3 Ticketing 354 13.3.1 Lufthansamiles&morecard 354 13.3.2 Skitickets 356