射頻識別系統(tǒng)（RFID）防沖突算法研究與VLSI實現(xiàn).pdf

1、國內(nèi)圖書分類號：TN47國際圖書分類號：621304977工學碩士學位論文射頻識別系統(tǒng)(RFID)防沖突算法研究與VLSI實現(xiàn)碩士研究生：導師：副導師：申請學位：學科、專業(yè)：所在單位：答辯151期：授予學位單位：張林生毛志剛教授張巖教授上學碩士微電子學與閻體電子學深圳研究生院2005年12月哈爾濱工業(yè)大學墮塹鎏三些盔：三蘭鎏圭耋堡簍蘭AbstractRadioFrequencyIdentification(RFtD)systemshav

2、eemergedaSabettersolutionforautomaticidentificationBecausgofitsexcellentperformanceithasbeenconsideredasther觚ectsubstitutetoWaditioualobjectidentificationtechniquessuchasbarcodesandvisualrecognitionAlthoughtheexistingsta

3、ndardsforRFIDhavenotbeenunifiedandthecostsarestillhi曲，RFIDwillchangeOllflivesintheveryrecentfutureRFD協(xié)gisaparadigmwhereeveryproducthasauniquetagattachedtoiLTagreaderisusedtoreadtheinformationstoredinthetags(theiridentifi

4、cations，IDs)，ort0writedataintothemOnebigpmblemistoidentifymultipleobjectswithintherangeofataglⅨKlerIfallthetagssendtheirIDsatthesametime，collisionhappensatme協(xié)greaderandnotagcanbeidentifiedwhichleadstothereWansmissionofta

5、gIDsItresultsinwastageofbandwidthandallincreaseinthetotalddayinidentifyingalltheobjectsSoallappropriatemethodisneededt0resolvethiskindofmultiaeecssCOmmunicationinRFIDsystemsandtogetthetagsbeingquicklyandeffectivelyidenti

6、fied1hethesisismainlyfocusedontheanticollisionalgorithmsforRFIDsystemsTheyaleconsideredtobecompatiblewithconstraintsonthedesignoftags，suchaSlackofbatterylowcostlesscomplexitylowmemoryminimumcomputationpowerereThepaperstu

7、diedtheexistingalgorithms，discussedtheiradvantagesanddisadvantages，andanalyzedtheircomplexityrequirementforthecircuitdesignThetwooptimalobjectivesforRFlDanticoUisionalgorithmsalelistedbelow：11hetimetakenforidentification

8、ofallthetagsshouldbeasshortaspossibleietheitemtionsforsearchmustbeminim／zed；2nlehitstransferredfromtagsintheanticollisionproocessshouldbeasfewaspossibleToovelcolnethedeficiencyofexistingapproaches，thisthesisproposedanewd

9、eterministicalgorithmBCDS03readthfirstCollisionbitsplitDynamicSearchalgorithm)AfterhaVingexplaineditinasimplewayamodelofanticollisionmechanismusingMATLABisproposedandalargenumberofexperimen俗alefinishedforperformancecompa