{"title":"EM and SAGE algorithms for multi-user detection","authors":"L. Nelson, H. Poor","doi":"10.1109/WITS.1994.513899","DOIUrl":null,"url":null,"abstract":"This work describes an EM-based approach to multi-user detection that treats the signals of interfering users as hidden data. We consider a new algorithm based on the space-alternating generalized EM (SAGE) algorithm appropriate for estimation of discrete random parameters, and we use it to derive rapidly-convergent nearly optimum multi-user receivers.","PeriodicalId":423518,"journal":{"name":"Proceedings of 1994 Workshop on Information Theory and Statistics","volume":"87 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 1994 Workshop on Information Theory and Statistics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WITS.1994.513899","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
This work describes an EM-based approach to multi-user detection that treats the signals of interfering users as hidden data. We consider a new algorithm based on the space-alternating generalized EM (SAGE) algorithm appropriate for estimation of discrete random parameters, and we use it to derive rapidly-convergent nearly optimum multi-user receivers.
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