{"title":"On the degradation of OFDM-signals due to peak-clipping in optimally predistorted power amplifiers","authors":"M. Friese","doi":"10.1109/GLOCOM.1998.776868","DOIUrl":null,"url":null,"abstract":"The intermodulation noise in OFDM bandpass signals after passing an optimally predistorted power amplifier is investigated by a combination of analytical and numerical calculation. The results are illustrated for several modulation alphabets and it is shown that with ideal predistortion and a small symbol alphabet only a few dB of power back-off are required to achieve small error probabilities.","PeriodicalId":414137,"journal":{"name":"IEEE GLOBECOM 1998 (Cat. NO. 98CH36250)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"61","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE GLOBECOM 1998 (Cat. NO. 98CH36250)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/GLOCOM.1998.776868","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 61
Abstract
The intermodulation noise in OFDM bandpass signals after passing an optimally predistorted power amplifier is investigated by a combination of analytical and numerical calculation. The results are illustrated for several modulation alphabets and it is shown that with ideal predistortion and a small symbol alphabet only a few dB of power back-off are required to achieve small error probabilities.
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