射頻識(shí)別系統(tǒng)（RFID）防沖突算法研究與VLSI實(shí)現(xiàn).pdf

1、國(guó)內(nèi)圖書分類號(hào)：TN47國(guó)際圖書分類號(hào)：621304977工學(xué)碩士學(xué)位論文射頻識(shí)別系統(tǒng)(RFID)防沖突算法研究與VLSI實(shí)現(xiàn)碩士研究生：導(dǎo)師：副導(dǎo)師：申請(qǐng)學(xué)位：學(xué)科、專業(yè)：所在單位：答辯151期：授予學(xué)位單位：張林生毛志剛教授張巖教授上學(xué)碩士微電子學(xué)與閻體電子學(xué)深圳研究生院2005年12月哈爾濱工業(yè)大學(xué)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