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中国科技论文在线eakAveragePowerRatioReductioninOFDMMOUBAGOUDEFLANDREBERTRAND,ChangYongyu(municationEngineering,munication,Beijing100876)Abstract:IInthispapertheobjectiveistodescribethePAPRintheSCFDMAandOFDMA,oodperformanceofPAPR,,the3GPPLTEensureslong-petitivenessofUMTSfortheapplicationsofradiobroadbandandmobileTV..Inaddition,esstime3-4HSPDAforMIMOinDLand2-3timesHSUPAforMIMOinUL,-15km/hbutmobilityismaintainedforspeedsupto350km/(ess),theLTEofthe3GPPemploysSC--FDMAisatechnologyusingsingle-,thereisabigdrawbackofOFDMA::3GPPLTE;SC-FDMA;OFDMA;PAPR;SLM;PTS0IntroductionDuringrecentdecades,,munication,,municationsystemiswithfeaturesofhigherspectralefficiency,mobilespeed,frequencybandandsystemcapacity,(OFDM)etheeffectsofmulti-,forthedownlink,theOrthogonalFrequencyDivisionMultiplexing(OFDM),whichisconsideredpowerinefficient,istolerablesinceinthecaseofdownlinktransmission,thepoweramplifierisplacedatthebasestation(eNodeBin3GPPterminology).Inthebase-
OFDM的峰均功率比降低 来自淘豆网www.taodocs.com转载请标明出处.