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ID:32504287
大小:6.45 MB
页数:62页
时间:2019-02-09
《基于zigbee的身份识别管理系统研究与实现》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、ABSTRACTAlongwiththedevelopmentofeconomicandscience,theuseofRadioF‘requencyIdentification(RFID)hasbecomeincreasingpopular,appliedtothe1dentificationsystem.RFIDisadvancedinformationcollectiontecllIlology,whichnavespecialadvantagesintheobjectautomaticmarkingandinfo
2、mationstorage.Jnere±ore,wecanuseRFIDtechnologytoimprovetheproblemofperSonnelmanagementofvariOUSoccasionsRFIDstillhassomeshortages,suchastheshortidentificationdistance(generaIatewmeters),theexpensivedevicesandtheinsecurityinformationt瑚1smissionandsoon·lherefore,it
3、1Snecessarytorequestwirelesssensornetworkinresolvingtheseissues,andZigBeeisanewtechnology,dedicatedtosolvinglowpowerconsumptionandclosewirelesscommunication.Ifwecombinethetwotechnologies.theapplicationrangeoftheRFIDtechnologywillexpandeffectively.Thispaperintrodu
4、cesthedomesticandinternationaldevelopmentofidentificationtechnologybriefly,andtheadvantagesofRFIDtechn0109y,appliedtoidentificationsystem.ThekeytechnicalfeaturesofRFIDandZigBeeafealsodescribedindetail,includingthefeasibilityanalysisofcombiningthetwotechnologies.A
5、ZigBee—basedidentificationsystemsolutionswasdesignedinthispaper,.itcouldbeappliedandtransplantedintypesofidentificationmanagementofsmallormedium—sizedplaces.Thesystemdesignincludeshardwareandsoftware.ThehardwaredesignincludesactiveRFIDreaderandtagdesign,ZigBeecoo
6、rdinatorandenddevicesdesign.Theywereallmodulardesigned,dividedintomicroprocessormodule.RFmodule,powermoduleandserialcommunicationmodule.CC2500areusedaSRFchips,STC15F204EAandMSP430F149aremicroprocessorsfortagsandreaders.CC2430areusedasZigBeewirelesscommunicationch
7、ips.Whilethesvstemsoftwaredesignsincludethereaderandelectronictagcommunicationapplicationdesign,thedatatransmissionsoftwaredesignsbetweenZigBeecoordinatorandenddevices.Thispaperalsoproposeanewbinarysearchalgorithmtotackletheproblemofinefficiencyoftheexistinganti—
8、collisionalgorithm,Theexperimentresultsshowsthatthenewalgorithmlargelyreducesrecognitiontimeandhasmorerecognitionefficiency.Finally,theexperimentsshowthefeasib
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