{"title":"BICM capacity analysis of 8QAM-alternative modulation formats in nonlinear fiber transmission","authors":"K. Kojima, T. Koike-Akino, D. Millar, K. Parsons","doi":"10.1109/TIWDC.2015.7323337","DOIUrl":null,"url":null,"abstract":"We investigate the nonlinear performance of 8QAM-alternative 4D modulation format using GMI to evaluate the BICM capacity. Due to its constant modulus feature, the 4D-2A8PSK modulation has higher nonlinear threshold than Star-8QAM and Circular-8QAM.","PeriodicalId":126687,"journal":{"name":"2015 Tyrrhenian International Workshop on Digital Communications (TIWDC)","volume":"257 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 Tyrrhenian International Workshop on Digital Communications (TIWDC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TIWDC.2015.7323337","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
We investigate the nonlinear performance of 8QAM-alternative 4D modulation format using GMI to evaluate the BICM capacity. Due to its constant modulus feature, the 4D-2A8PSK modulation has higher nonlinear threshold than Star-8QAM and Circular-8QAM.
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