标签: indexing

AflexiblemethodofLUTindexingindigitalpredistortionlinearizationofRFpoweramplifiersAFLEXIBLEMETHODOFLUTINDEXINGINDIGITALPREDISTORTIONLINEARIZATIONOFRFPOWERAMPLIFIERSJavadYavandHassaniandMahmoudKamareiDepartmentofElectricalandComputerEngineeringUniversityofTehranABSTRACTAnewmethodoflookuptable(LUT)indexingforusingintheRFpoweramplifierlinearizationwithdigitalpredistortionispresented.Inthismethodthedensityoftableentriesinaspecifiedamplituderegion,isproportionaltotheaniplifiernonlinearityinthatregion.Thismethodissimple,flexible,andadaptive.SimulationresultsshowconsiderableimprovementofAdjacentChannelInterference(ACI)comparedtotheconventionalindexingwithamplitudemethod.1.41.21.-Smm0.81.INTRODUCTION0.6LinearizationofNonLinearRFPowerAmplifier(NLPA)is……