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1、AbstractDevelopmentanddesignofUHF-bandRFIDhandheldDevelopmentanddesignofUHF-bandRFIDhandheldAbstractRadioFrequencyIdentification(RFID)isawirelesscommunicationtechnology,transforminginformationviaradiofrequencysignalstoidentifyaspecifictarget,withoutanycontact.Theultra-highfrequency(UHF)
2、-bandRFIDtechnologyispromisingforitsstrongpenetration,long-distancetransmission,hightransmissiondatarate,andhighreliability.Moreover,itcanalsoreadmultipleRFIDtagssimultaneously.Thus,ithasbeenconsideredasanimportantRFIDtechnologyreceivingwideinterestaroundtheworld.Inthisthesis,wedevelopa
3、nddesignUHF-bandRFIDhandheld,whichasanapplicationexamplecanbeusedinintelligentopticaldistributionnetwork(ODN)systems.ThisthesispresentsahandheldRFIDsystemdesign.Inthehardwareimplementation,wehavemadecarefulselectionsforarangeoffunctionmodules,includingmicroprocessor,radiofrequencyidenti
4、ficationmodule,GPSmodule,andWIFImodule.WechooseSTM32F103RBT6chipwithcortex-M3coreasthemicroprocessor,AS3992radiofrequencyidentificationchipastheradiofrequencyidentificationmodule,CNP301UAmodulemadebyCONTRUPastheGPSmodule,andalow-costembeddedmoduleHLK-RM10madebyShenzhenHi-LinkElectronics
5、astheWIFImodule.SoftwaredesignincludesRFIDhandheldsoftwaremoduleandthePCsoftwaremodule.TheRFIDhandheldsoftwaremoduleincludesinitialization,serialportinitialization,andsubroutines.ThePCsoftwaremoduleincludesthefunctionforcommunicationanddatabaseaccess.ThedesignedUHF-bandRFIDhandheldcanef
6、fectivelydemonstratethefunctionincludingreadingandwritingRFIDtags,GPSposition,datauploading,remotelyaccessingdatabase,etc.KEYWORDS:STM32,RFID,handheld,WIFI,GPSWrittenbyLongfeiLISupervisedbyGangxiangShenJingDengII目录第1章绪论....................................................................
7、..............................................11.1射频识别技术..................................................................................................11.2国内外RFID技术发展概况.........................................................................21.2.1国外研究现状......................
