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1、上海交通大学硕士学位论文基于RFIDReader的过滤技术的设计与实现姓名：杨大宇申请学位级别：硕士专业：计算机应用技术指导教师：夏雨人20060201关键字：RFID，过滤中间件，分布式开发，嵌入式应用第II页DESIGNANDIMPLEMENTATIONOFRFIDREADERBASEDFILTERTECHNOLOGYABSTRACTRadiofrequencyidentification(RFID)isthenextwaveintheevolutionofcomputing.ThepopularityofRFIDgreatlyincreasestheneedofRFI
2、Dmiddleware.RFIDfiltermiddlewareisoneofthefundamentalRFIDmiddleware.RFIDfiltermiddlewareremovestheredundancyinRFIDdata,andimprovesthesystemperformance.ThetraditionalRFIDfiltermiddlewareisbasedonhighperformanceRFIDmiddlewareserver.Recentlythereisatrendtoimplementfiltermiddlewareinembeddedsy
3、stem,suchasRFIDreader.Embeddedsystemhaslimitedresource,andtoimplementRFIDfiltermiddlewareinthiskindofsystemmeetsnumerousnewproblems.ThispaperfocusesonhowtoapplymostofthefunctionalitiesofRFIDfilermiddleware,whichismostlydeployedonRFIDmiddlewareserver,inembeddedsystemsuchasRFIDreader.Thisthe
4、sisresearchesthelatestachievementofRFID,makesdeeplyanalysisofRFIDmiddleware,especiallyRFIDfiltermiddleware,andsummarizestheclassification,featuresandcharacteristicsofRFIDfiltermiddleware.ThemainfunctionalityofRFIDfiltermiddlewareistoremovetheredundancyindatacollectedbyRFIDsystem.Thispaperm
5、akesdeepresearchonthiskindofredundancy,classifiestheredundancyaccordingtothereason,analyzesthefeaturesofdifferenttypesofredundancy,andpresentsdifferentfilteralgorithms.ToimplementRFIDfiltermiddlewareinRFIDreadersistosolveperformanceproblems,andthispaperselectsthebestsolutionbycomparingdiff
6、erentfilteralgorithms.ToimplementRFIDfiltermiddlewareinRFIDreadersistosolveloadbalanceproblem,sothispaperpresentsaneffectivefilteralgorithm,whichmakesthefiltersystemalwaysloadbalanced.Tosolveissuesofdoingdistributedevelopment,thispaperanalyzesthemainstreamdistributeddevelopmentmodels,andse
7、lectscandidatesmeettherequirement.Tosolveissuesofsimulationandtesting,thispaperpresentsgoodsimulation第III页andtestingsolution.Finallythispapermakesagoodsummaryoftherelatedresearchandpresentsthedirectionofnextstepresearch.Keywords:RFID,FilterMiddleware,Distribut
