基于homeplug1.0的電力線載波通信傳輸系統(tǒng)的信道研究與部分硬件實現(xiàn)_第1頁
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1、浙江大學(xué)碩士學(xué)位論文基于HomePlug1.0的電力線載波通信傳輸系統(tǒng)的信道研究與部分硬件實現(xiàn)姓名：余毅申請學(xué)位級別：碩士專業(yè)：信息與信號處理指導(dǎo)教師：張朝陽20040115浙江大學(xué)碩士學(xué)位論文ABSTRACTTheuseofubiquitouselectricalwiringasapotentialmediumforcommunicationsignalshasbeensuggestedoverpastgenerationsIndee

2、d，forsomedecadesROWpowerlinewireshavebeenusedforlowspeeddatacommunicationculminatinginsuchstandardsandproductsasLonWorksCEBus，andX一10。aswellasmanypropdetarysystemsforthetransmissionofcontrolandmanagementsignalsHoweverthe

3、powerlinehaslargelybeendismissedasbeingtOOnoisyandunpredictabletobeusefulasapracticalhigh—speedcommunicationchannelOntheotherhand，recentadVarlCeSincommunicationandmodulationmethodologiceaswellasinadaptivedigitalsignalpro

4、cessinganderrordetectionandcorrection，haveopenedthewayforthedevelopmentofeffectivemediumaccesscontrolandphysicatlayerprotocolsthatsupportpowerlinecommunicationsrPLC)networksoperatingatspeedscomparabletothoseobtainedfroms

5、peciallywiredandmorerecentwirelesslocalareanetworkInmid2001a11industrialstandardsorganizationcalledtheHomePlugPowerlineAllianceoriginallyfoundedby13companiesincludingCisco，MotorolaIntelPanasonic，andTexasInstrumentsannoun

6、cedthecompletionoftheHomePlu910specificationfora10Mb／sclassinhomepowerlinenetworkingtechnologybased013onhogonalfrequencydivisionmultiplexin酎OFDM)Productsbasedonthisindustrystandardareenjoyingmuchpositiveattentioninthemar

7、ketpressfromindustryandproduceanalystsbased013performanceandeaseofuseItwasclearthatHomePlugisnowrecognizedasoneofthreeattractivein—homenetworkingsolutionstogetherwithEthemetandWi—Fi(IEEE8021lxl。Thisthesispresentsthestudi

8、esofthephysica／ayerofpowerfinecommunicationswhichisanOFDMbasedtransmissionsystemItgivesfeasiblealgorithmsandprimaryimplementationofsomekeymodulesisdiscussedaswellChapter1givesabriefsurveyofthedevelopmentofBroadbandAccess

9、networks，aftertheintroductionthemaintechnologyofAccessnetworks，wegiveoutthenewinhomepowerlinenetworkingtechnologybasedonorthogonalfrequencydivisionmultiplexing(OFDM)，andstudiesthegeneralcontentofHomePlu910protocol，focusi

10、ngonthePhysicalLayerandMacLayerSpecificationsoftheprotoc01ChapterHanalyzethechannelcharacterofthepowerlinecommunicationchannel，constructsasystemmodeltakingconsiderationofpowerlinechannelsandthechannelestimationalgorithmb

11、asedonpilotsareinvestigated，ChapterHIanabzesomealgorithmtoincreasetherobustnesstosystemnonlinearitiesinOFDMcomparestheadvantageanddisadvamageofthepopularthreetechniquesofPAPRdecrease，andprovedcodedtechniqueisthemosteffec

12、tivemethodforOFDMsystemChapterIVadvancesaproposedsystematicschemeofpowerlinereceiversinaccordancewithHomePlu910onthebasisofanalysisinChapterIII，presenttheimplementationofanOFDMbasebandtransmissionplatformbasedonMPC860Tem

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