Research On And Implementation Of Key Technique For High-speed Interconnection Bus

Posted on:2012-11-10

Degree:Master

Type:Thesis

Country:China

Candidate:Q Qin

Full Text:PDF

GTID:2218330332988484

Subject:Communication and Information System

Abstract/Summary:

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Withthedevelopmentofinformationprocessingandmulti-media,theoriginallow-velocityinterconnectionbuscannotmeettheneedofreal-timedatatransmissionindistributedcomputersystem.Therefore,itisverymeaningfultoexploitahigh-speedinterconnectionbusbyutilizingadvancedmodulationintheexistingsystemtomakefulluseofthechannelbandwidthsoastoreducedevelopmentcostandcycle.Inthisthesis,thecorrespondingmethodsofimplementinghigh-speedinterconnectiontechniquebusbasedonOFDMareresearched.Firstly,thefeasibilityanalysisoftheprojectonthebasisofmainsuperiorityandtheprincipleofOFDMisgiven.Then,tosolvethehighPAPRofOFDM,anadaptiveÎ¼rulecompandingalgorithmisadoptedbycomparingkindsofreleventwaysinvolvedwithcomputationspeedandcomplexity,additionally,matlabsimulationisdonewiththeparameterssetintheprojectandpipe-linearchitectureisusedtorealizethenaturelogarithmonFPGAplatformtoacceleratethecompandingmodule.Inordertoprocesshigh-ratedatastreamsampledfromA/Dintime,animprovedping-pongoperationwhichwellcoordinatessamplingandprocessingrateisdesigned.Accordingtotherequirementoftransmissionrate,inthedesignofPCIcommunicationinterface,DMAtransmissionatthespeedof100MB/sfordataexchangebetweenphysicallayerandapplicationlayerisimplementedthroughPCIbridgechipPLX9054.Finally,conclusionofthewholeessayisgivenandimprovementforfutureworkisproposed.

Keywords/Search Tags:

High-speed interconnection, OFDM, PAPR, DAM

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