简介：ItisgenerallyacknowledgedthatmobilecommunicationbasestationsarecomposedofhardwarecomponentssuchasFieldProgrammingGateArray(FPGA),DigitalSignalProcessor(DSP),whichpromisereliableandfluentservicesforthemobileusers.However,withtheincreasingdemandforenergy-efficiency,approachesoflowpower-consumptionandhigh-flexibilityareneededurgently.Inthiscircumstance,GeneralPurposeProcessor(GPP)attractspeople'sattentionforitslow-costandflexibility.BenefitedfromthedevelopmentofmodernGPPinmulti-core,SingleInstructionMultipleData(SIMD)instructions,largercache,etc.,GPPsarecapableofperforminghigh-densitydigitalprocessing.Inthispaper,wecompareseveralsoftware-definedradio(SDR)prototypesandproposethegeneralarchitectureofGPP-basedsoftbasestations.Then,theschematicdesignofresourceallocationandalgorithmoptimizationinsoftbasestationimplementationarestudied.Asanapplicationexample,aprototypeofGPP-basedsoftbasestationreferringtothe3rdGenerationPartnershipProject(3GPP)LongTermEvolution(LTE)isrealizedandevaluated.Tothebestofourknowledge,itisthefirstSoft-LTEprototypeeverreported.Intheend,weevaluatethetimingperformanceoftheLTEsoftbasestationandapacketlossratiooflessthan0.003isobtained.

简介：Theauthorshaveinventedtheuniqueoceanwavepowerstation,whichiscomposedofthefloatingtypeplatformwithapairofthefloatsliningupattheintervalofonewavepitchandthecounter-rotatingtypewavepowerunit,itsrunnersaresubmergedintheseawateratthemiddlepositionoftheplatform.Suchprofilesmaketheflowvelocityattherunneristwicefasterthanthatofthetraditionalfixed/caissontypeOWC,ontheidealflowconditions.Besides,therunnerscounter-rotatetheinnerandtheouterarmaturesofthepeculiargenerator,respectively,andtherelativerotationalspeedisalsotwicefasterthanthespeedofthesinglerunner/armature.Suchcharacteristicsmaketherunnerdiameterlarge,namelytheoutputhigher,asrequested,becausethetorqueofthepowerunitneveractonthefloatingtypeplatform.Atthepreliminaryreseach,thispaperverifiestogetthepowerusingaWellstypesinglerunnerinstalledinthemodelstation.Therunnertakestheoutputwhichisaffectedbytheoscillatingamplitudeoftheplatform,therotationalspeedandtheinertiaforceoftherunner,etc.

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