基于ECMA368-369標(biāo)準(zhǔn)的超寬帶系統(tǒng)的物理層同步技術(shù)的研究.pdf

1、東南大學(xué)碩士學(xué)位論文基于ECMA368369標(biāo)準(zhǔn)的超寬帶系統(tǒng)的物理層同步技術(shù)的研究姓名：肖俊申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：畢光國(guó)20090225ABSTRACTBecauseofitsadvantagesoffasttransmissionspeedantimultipathfadingandlowpowerUWBtechnologyhasatwactedmoreandmoreattentionOFDMtechnolo

2、gywi廿lthemeritsofhighbandwidthefficiencyrobusmesstomultipathisoneofthemainstreamimplementationschemesofUWBandusedillhigh—speeduRrawidebandstandardECMA368Inthethesis，synchronizationtechnologyinOFDMsystemisstudiedbasedonth

3、eintroduceofUWBtechnologybackgroundandlmowledgeandthebasicprinciplesof0FDMsystemThenthesimulationisdoneChapter0110givesabriefiI㈣iontowirelesscommunicationUWBtechnologyandOFDMtechnologyChaptertwodiscussesOFDMsystemindetai

4、lthebasicprinciplesofthesystemandthejoiningoftheguardintervaltofightagainstmulti—patheffectThenWeintroducethekeytechnologyinOFDMsystemaswellasMB—OFDMUWBtechnologyChapterthreestudiesthesynchronizationinUWBOFDMreceiverFirs

5、tofalLWegivealloverviewofOFDMsystemsynchronizationThenWeanalyzetheimpactiononsystemperformanceproducedbynon—idealsynchronizationfactorsTypicalsynchronizationprogramsarcin刪ucedanalyzedandcomparedFinallyWCinmxincetheimprov

6、ementoftheplatformeffectoftheclassicalSCsynchronizationprogrambasedonthetrainingsequence，andgivethesimulationresultChapterfourintroducesthedesignandrealizationofthesynchronizationreceiverprograminaccordingtohighspeedultr

7、awidebandstandardECMA368／369FirstWedepictthismodelsystemandthentothethirdchapterofouranalysisacompletesynchronizationreceiverprogramwhichhasdecidedwhichalgorithmsareusedisestablishedbyconsideringtherequirementsofsystem’s

8、complexityandperformanceThisthesishasadeepstudyonsymboltimingsynchronizationandcarrierfrequencysynchronizationChapterfiverealizesthesimulationexperimentsysteminaccordancewiththeproposedsynchronizationprogramwhichisUOWsim

9、ulatedintheI瓜lrBchannelmodels，andgivesthesimulationC11rvc$Here，thesystemstransmitterisdesignedbasedonthestandardofECMA368／369ThenWegiveafixedpointprogrammingofthealgorithminsynchronizationmoduleandsimulatetheparametersin

10、theprogramindetailFinallyWCgivethesimulationcUICCSafterthesystem’sfixedpointprogramming，andcomparethemwiththecurvespreviouslyreceivedInchaptersixWCsummarizedthepaper’sworkandlookforwardtothenextstepofresearchKeywords：UWB