寬帶無線通信系統(tǒng)盲均衡技術(shù)研究.pdf

1、分類號(hào)密級(jí)UDC學(xué)位論文寬帶無線通信系統(tǒng)盲均衡技術(shù)研究(題名和副題名)駱春波(作者姓名)指導(dǎo)教師姓名龔耀寰教授電子科技大學(xué)博導(dǎo)成都(職務(wù)、職稱、學(xué)位、單位名稱及地址)申請(qǐng)專業(yè)學(xué)位級(jí)別碩士專業(yè)名稱信號(hào)與信息處理論文提交日期2007.11論文答辯日期2007.11學(xué)位授予單位和日期電子科技大學(xué)答辯委員會(huì)主席評(píng)閱人2007年月日注l:注明《國際十進(jìn)分類法UDC》的類號(hào)。AbstractAbstraCtNextgenerationwireles

2、scommunicationsystemimPoseshighstardfthedatatransP0rtationrateandqualityofse腳iee，WhichrequirenewandmoreadvancedPhysicallayerteclmologiestosuPPort.UndertheeonditionofhighthroughPutrate，thefrequeney一iveProPertywillseverely

3、degradethesignalqualityinthereceiver，eausingunaeeePtableintercodeinterferenee(ICI).ForthesakeofredueingeradieatingsuchnegativeinfiueneeandimProvingthesystem’5Peiformance，withhighreliabilityandeasyimPlementingstrueture，eq

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6、seeontributions，thenewTuthoequalizationalgorithmhigherderblindequaliZationalgorithlnarealsosPeeifiedands加ulated，whichhavesignificantvaluesinanalysisaPPlieation.ThemostimPtantcreativejobofthisthesisistoPresenttwonovelblin

7、dequalizationalgorithms.ByaPPlyingthenewdeveloPmentsinsignalProcessingfield，ouralgorithmshaveoutstandingPerformaneewithtinyadditiolaleomPutationcomPlexity，whieverifiedbysimulationexPeriments.Thekeywkandiunovationsofthist

8、hesismainlyinclude:1.Researehoftheequalizationtheoryandrules.SeveralexPerimentsaboutthetyPiealequalizationalgorithmsarefinishedandsummarized，ineludingsimulationofthenewTurboequal龍er.2.P峨icularstudyofblindequalizationalgo

9、rithm.ComPuterexPerimentsofthetyPiealblindequal讓ershavebeenfinished，suehastheeonstantmodulusalgorithm(CMA)e叨alizerhigherderequalizeL3.ProPosedanewCMAequalizationsuPPortedbyadaPtiveconvexcombinationtheory.Byutilizingthene

10、wdevelOPmentsofadaPtivesignalProeessingfield，ournewalgorithlneangetridofthecomPromiseinchoosingdifferentsteP一siZes，thushasfasterconvergeneerateandbettersteady一statePerformanee，which15confirmedbythesimulationexPeriments.4

11、.PresentedahybridstructureofMMSEblindequalizationstrategy.TheoPtlin往ationtheory15introdueedinthisalgorithmtoeombinetheadvantagesoftwodl月免reniMMSEequalizers.Asaresult，ournewalgorithmhasoutstandingPerformance，which15verifi

12、edbyexPerimentsindifferenteircumstances.5.lmPlementedthenewalgoritllnsintheADSP21160basedPlatfm，whichPresentstheimPlementingexPerieneefaPPlieationofthesealgorithmsineommereialwirelessteleeonnunieationsystems.眾ywords:Adap