NFC mobile phone

honggarae 19/04/2022 817

Applicationmode

Cardmode

ThismodeistosimulateadevicewithNFCfunctionasacontactlesscard,suchasaccesscontrolcard,bankcard,etc.Thecardsimulationmodeismainlyusedinnon-contactmobilepaymentapplicationssuchasshoppingmallsandtransportation.Usersonlyneedtoputtheirmobilephoneclosetothecardreaderandenterapasswordtoconfirmthetransactionorreceivethetransactiondirectly.Inthisway,thecardispoweredbytheRFdomainofthecontactlesscardreader,eveniftheNFCdeviceisoutofpower.Inthisapplicationmode,theNFCreadingdevicecollectsdatafromanNFCmobilephonewithTAGcapability,andthentransmitsthedatatotheapplicationprocessingsystemforprocessing,asshowninFigure1.Typicalapplicationsbasedonthismodelincludelocalpayment,accesscontrol,electronicticketapplications,andsoon.

Afterandriod4.4,HCE(hostcardemulation)canbesupported,andthecardmodecanberealizedthroughthemobilephonesoftwaresimulationcard,insteadofonlycontrollingthecardmodebySEasbefore.

Cardreadertype

Itisusedasanon-contactcardreader,suchasreadingrelatedinformationfrompostersorexhibitioninformationelectronictags.Inthismode,anNFCmobilephonewithread-writefunctioncancollectdatafromtheTAG,andthenprocessitaccordingtotherequirementsoftheapplication.Someapplicationscanbecompleteddirectlylocally,whilesomeapplicationsneedtobecompletedthroughinteractionwiththenetwork.Typicalapplicationsbasedonthismodelincludeelectronicadvertisementreadingandticketsales,movietheaterticketsales,etc.Forexample,ifthereisaTAGtagonthebackofamovieposterorexhibitioninformation,userscanuseamobilephonethatsupportstheNFCprotocoltoobtaindetailedinformation,orimmediatelyuseacreditcardtobuyticketsonline.Thecardreadermodecanalsobeusedforsimpledataacquisitionapplications,suchastheacquisitionofinformationsuchasbusstationsiteinformationandparkmaps.

Point-to-pointtype

ThatistolinktwodeviceswithNFCfunctiontorealizepoint-to-pointdatatransmission.Basedonthismodel,multipledigitalcameraswithNFCfunctions,PDAcomputers,andmobilephonescanbewirelesslyinterconnectedtoachievedataexchange.Thesubsequentassociatedapplicationscanbelocalapplicationsornetworkapplications.TypicalapplicationsofthismodeincludeassistinginquicklyestablishingaBluetoothconnection,exchangingmobilephonebusinesscards,anddatacommunications.

Newestapplications

Mainapplications

NFCdeviceshavebeenusedbymanymobilephonemanufacturers,andtheapplicationsofNFCtechnologyonmobilephonesmainlyfallintothefollowingfivecategories.

(1)TouchandGo,suchasaccesscontrolmanagement,ticketsandtickets,etc.Theusercanputthedevicestoringtheticketordoorcontrolpasswordclosetothecardreader,anditcanalsobeusedforlogisticsmanagement.

(2)TouchandPay,suchasnon-contactmobilepayment,theusercanmakethepaymentandconfirmthetransactionbybringingthedeviceclosetothePOSmachineembeddedwiththeNFCmodule.

(3)TouchandConnect,suchasconnectingtwoNFCdevicesforPeer-to-Peerdatatransmission,suchasdownloadingmusic,transferringpicturesandexchangingaddressbooksWait.

(4)TouchandExplore.UserscanconnectNFCmobilephonestosmartpublicphonesorposterswithNFCfunctionsonthestreettobrowsetrafficinformation,etc.

(5)LoadandTouch,theusercanreceiveordownloadinformationthroughtheGPRSnetworkforpaymentoraccesscontrolfunctions.Asmentionedabove,theusercansendatextmessageinaspecificformattothehousekeepingattendant’sThemobilephoneisusedtocontrolthepermissionofthehousekeepingattendanttoenterandexittheresidence.

TheapplicationofNFCtechnologyinthenewlylaunchedNokiaLumia920/800isrelativelymature.ItnotonlyhastraditionalNFCtechnologyapplications,butalsodevelopedexternaldevicesbasedonNFCtechnology,suchasNFCwirelessheadsets.

Inadditiontotheabovesituations,someotherapplicationsarealsoeasytouse.

Thereisnoneedtochangethephonenumbertoreplacethemobilephonecard,andthecostisonly20yuan.TheNFCmobilephonecardcanalreadybeusedonBeijingMetroLine1andLine2,whichisassmoothasthetraditionalone.

However,althoughthemobilephonecardandtheall-in-onecardarecombinedintoone,theystillbelongtotwoaccounts.Therefore,theNFCmobilephonecarddoesnotsupportdirectdeductionofphonechargesandswipingthecard,andthemobilephonearrearswillnotaffecttheuseofthecard.

Inadditiontotheoriginalpublictransportcardrechargepoints,thisnewtypeof"mobilephonebuscard"canalsoachieve"airrecharge."Bydownloadingthe"ChinaMobileMobileWallet"client,userscanregisterforaback-endaccountofthemunicipalall-in-onecardontheirmobilephoneandrechargetheaccountthroughUnionPay.Oncethebalanceisinsufficient,theusercanclickontheoptiontotransfertensofyuanfromtheregisteredaccountofthecardintothecreditcardaccount.Inaddition,userscanchecktheaccountbalanceandconsumptiondetailsoftheBeijingMunicipalTransportationCardinrealtimeontheirmobilephones.

SomemobilephonesthathaveNFCfunctionsbutarenotincludedintheBeijingMobileNFCmobilephonecardsupportmodelscanalsobeswipedwiththemobilephone,butthemobileclientcannotbeusedforrechargeandinquiries.

Thepreviousall-in-onecardisanonymous,anditcannotbereissuedafteritislost,andthebalanceonthecardcannotbefrozenorretrieved.Atthispoint,theNFCmobilephonecardcannotbeavoided.Oncethephoneislost,themoneyintheregisteredaccountcanberetrieved,butthemoneythathasbeendepositedintothecreditcardaccountcanonlybesaidgoodbye.

Technicalsupport

ItisthefirsttimethatNFCmobilephoneshavebeenusedforpublictransportationpayment,andthefutureapplicationprospectsarebroad

Actually,itisnothingnewtousemobilephonestoridebuses.Yearsago,Shanghai,Shenzhen,Xi'anandothercitieshavealreadyachievedthis.However,itisthefirsttimeinChinatorealizebuscardswipingthroughNFCmobilephones.

Accordingtoreports,thepreviousgenerationofmobilephoneswipebusesusedSIMPasstechnology,thatis,anexternalsensorantennaisaddedtotheoriginalSIMcard,andithasanon-contactandcontact-typedualinterfacecard.ThecontactinterfacecanrealizetheSIMapplicationandcompletethecommunicationfunctionofthemobilephonecard;thecontactlessinterfacecansupportvariouscontactlessapplications.Theinductionbetweenthemobilephoneandthecreditcardmachineiscompletedthroughthisdevice.

Butthistechnologyhasmanyflaws.Mobilephonesthatcannotopenthebackcovercannotenjoythisservice.Ifthephoneisinametalcase,itwillinterferewithcardswiping.Youneedtoputtheplasticantennaoutsideofthephoneandputitonthephonecasebeforeitcanbeused.Ifyouneedtoadjustthebatteryandotherdevices,makesurethattheblackpapercarddoesnotcompletelycoverthemobilephonebattery,otherwiseitwillaffectthenormaluseofthemobilephone.Inaddition,itisnecessarytouselinechargingasmuchaspossibletoreducepluggingandunpluggingtopreventdamagetotheall-in-onecard.

Supportequipment

CKINGk4500

CKINGK6100

Nokia6131Nokia603Nokia700Nokia701

Nokia808NokiaC7NokiaN9NokiaLumia900

NokiaLumia820NokiaLumia920NokiaLumia620

Nokialumia930

BlackberryBold9900

HTCOneX

HTCE1603e

HTCONEM8

LGPrada3.0LGOptimusLTE

LGOptimusLTE2LGOptimusVu

SamsungNexusSSamsungGalaxyNexus

SamsungGalaxyNote

SamsungGalaxyNote2

SamsungGalaxyNote3

SamsungGalaxyNote4

SamsungGalaxyNote5

SamsungGalaxyNote7

SamsungGalaxyNote8

SamsungGalaxyNote9

SamsungGalaxyNote10

SamsungGalaxyNote10+

SamsungGalaxyS2HDLTE

SamsungGalaxyS2(Koreanversion)

SamsungGalaxyS4SamsungGalaxySIIILTE

SamsungGalaxyS5LTE

SamsungGalaxyS6

SamsungGalaxyS7

SamsungGalaxyS8

SamsungGalaxyS9/S9+

SamsungGalaxyS10/S10+

SamsungGalaxyS20+

SonyXperiaSSonyXperiaacroS

SonyXperiaPSonyXperiasola

SonyXperiaion

AsusNexus7

MOTOMB855

OPPOFind5

OPPOFind7

VIVOXPlay

VIVOiQOO

VIVOiQOOPro

Xiaomi3

Xiaomi5

Xiaomi5s

Xiaomi5splus

Xiaomi6

Xiaomimix2

Xiaomimix2S

Xiaominote2

Xiaominote3

Xiaomi8

Xiaomibracelet3NFCversion

Xiaomibracelet4NFCversion

Xiaomiwatch

Blackplusbracelet

XiaomiMIX3

p>

XiaomiMixAlpha

Xiaomi9

Xiaomi9Pro

MeizuMX3

Lime:LemonG26mobilephone

JiajiatongP6

iPhone6

iPhone6Plus

iPhoneSE

iPhone7

iPhone7Plus

iPhone8

iPhone8Plus

iPhoneX

iPhoneXR

iPhoneXS

iPhoneXSMax

iPhone11

iPhone11Pro

iPhone11ProMax

SmartisanT1

MeizuMX4pro

NUBIAZ5

NUBIAZ5MINI

NUBIAZ5SN

NUBIAX6

NUBIAZ7MAX

NUBIAZ7

HUAWEIAscendMate7

ASUSPegasus

LGG3

ONEPLUS5

ONEPLUS5T

ONEPLUS6

ONEPLUS6T

HuaweiC8188

Huaweimate9

HuaweiMate9Pro

HuaweiMate9PorscheEdition

Huaweimate10

Huaweimate10Pro

HuaweimateRs

HuaweiMateX

HuaweiP10

HuaweiP20

HuaweiP20PRO

HuaweiP30

HuaweiP30Pro

Honor8

HonorV20

HonorV10

Honor10

SharpSH-01F

p>

Huaweimate20

Huaweimate20pro

Huaweimate30

Huaweimate30pro

Huaweimate30PorscheEdition

HonorBand3nfc

HonorBand4NFC

HonorBand5NFC

HuaweiwatchGT

HuaweiwatchGT2

HuaweiBand4pro

HuaweiBand5pro

GloryBandMagicSeries

GloryBandDreamSeries

Redminote8pro

(Thelistcontinuestobeupdated...)

Traditionalcomparison

Comparedwithtraditionalshort-rangecommunication,NearFieldCommunication(NFC)hasnaturalsecurityandfastconnectionestablishment.Thespecificcomparisonisasfollows:

721kbps115kbps2.1Mbps~1.0Mbpsestablishmenttime<0.1s6s0.5s>Securityisavailable,hardwareimplementationisavailable,softwareimplementationisnotavailable,exceptwhenIRFMisused.Thecommunicationmodeisactive-active/passive-active-active-active,andthecostislow,mediumandlow.

NFCantenna

Anear-fieldcouplingantenna.Sincethe13.56Mhzwavelengthisverylongandthereadingdistanceisshort,theappropriatecouplingmethodismagneticfieldCoupling,thecoilisasuitablewayofcoupling.Inthemobilephoneindustry,magneticfilms(suchasthoseproducedbyTDKandothercompanies)areusuallyusedasantennasattachedtoFPC.AnewtechnologyisthecombinationofmagneticfilmandFPC,thatis,magneticFPC.

Popularity

TheemergenceofNFCmobilephonesisanimprovement."NFCisnearfieldcommunication,alsoknownasshort-rangewirelesscommunication.Itisashort-distancehigh-frequencywirelesscommunicationtechnologythatallowsnon-contactpoint-to-pointdatatransmissionandexchangeofdatabetweenelectronicdevices."SomeexpertsexplainedthatduetoNFCsecurityBecauseofitshighperformance,thistechnologyisconsideredtohavegreatapplicationprospectsinfieldssuchasmobilepayment.

InahotelinTaipeiCity,guestscanapplytothehotelforafreeNFCmobilephoneduringtheirstay.Thismobilephonecanreplacethetraditionalroomcardinandoutofthehotel’saccesscontrolsystem,anditcanalsoreplacetheleisurecard(busCard)Takepublictransportationormakesmallpurchasesinconveniencestores.In2012,severalhotelsinSwedenandLondonalsoconductedthesameexploration.

However,duetotherelativelylowpenetrationrateofNFCmobilephones,BeijingMobilelaunchedonly6certifiedNFCmobilephonesthistime,includingSamsungI9308(S3),SamsungI9508(S4),HTCNewOne(802t),ZTEU807N,HuaweiT8950N,Xiaomi2Aandothermodels.ItisexpectedthatbytheendofSeptember,thenumberofNFCmobilephonesonthemarketwillgrowtoabout20,coveringmanydomesticandforeignbrandssuchasEBenera,Samsung,HTC,Sony,Lenovo,Meizu,andLimemobilephones.

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