{"title":"Adaptive decision feedback turbo equalization and multiuser detection","authors":"V. Trajkovic, P. Rapajic","doi":"10.1109/ISSSTA.2004.1371758","DOIUrl":null,"url":null,"abstract":"The analysis of adaptive decision feedback turbo equalization is provided. The turbo detector is a reduced-complexity adaptive turbo equalizer where trellis-based channel equalization is replaced by the adaptive decision feedback equalizer (DFE). We show that for severe intersymbol interference (ISI) the turbo effect (waterfall region) starts at lower SNR relative to the detector applying conventional MMSE DFE coefficients assuming perfect feedback.","PeriodicalId":340769,"journal":{"name":"Eighth IEEE International Symposium on Spread Spectrum Techniques and Applications - Programme and Book of Abstracts (IEEE Cat. No.04TH8738)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Eighth IEEE International Symposium on Spread Spectrum Techniques and Applications - Programme and Book of Abstracts (IEEE Cat. No.04TH8738)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSSTA.2004.1371758","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
The analysis of adaptive decision feedback turbo equalization is provided. The turbo detector is a reduced-complexity adaptive turbo equalizer where trellis-based channel equalization is replaced by the adaptive decision feedback equalizer (DFE). We show that for severe intersymbol interference (ISI) the turbo effect (waterfall region) starts at lower SNR relative to the detector applying conventional MMSE DFE coefficients assuming perfect feedback.
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