NFC mobile phone
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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