{"title":"Unconstraint adaptive frequency-domain equalizer for coherent optical receivers","authors":"Md. Saifuddin Faruk","doi":"10.1109/ICECE.2014.7027008","DOIUrl":null,"url":null,"abstract":"In this paper, unconstraint adaptive frequency-domain equalizer (FDE) based on the constant-modulus algorithm (CMA) is investigated for equalization of linear transmission impairments in coherent optical receivers. With unrepeated 200-km transmission of 10-Gbaud quadrature phase-shift keying (QPSK) signal, it is verified that, compared with conventional constraint FDE, the proposed unconstraint FDE causes a very small sensitivity penalty; however, can be applied with much less computational complexity.","PeriodicalId":335492,"journal":{"name":"8th International Conference on Electrical and Computer Engineering","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"8th International Conference on Electrical and Computer Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICECE.2014.7027008","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In this paper, unconstraint adaptive frequency-domain equalizer (FDE) based on the constant-modulus algorithm (CMA) is investigated for equalization of linear transmission impairments in coherent optical receivers. With unrepeated 200-km transmission of 10-Gbaud quadrature phase-shift keying (QPSK) signal, it is verified that, compared with conventional constraint FDE, the proposed unconstraint FDE causes a very small sensitivity penalty; however, can be applied with much less computational complexity.
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