{"title":"MAI mitigation in DA ML carrier phase recovery loops for DS-CDMA systems","authors":"L. Schumacher, L. Vandendorpe","doi":"10.1109/VETECF.1999.801717","DOIUrl":null,"url":null,"abstract":"This paper analytically investigates maximum-likelihood (ML) phase recovery in a multiuser system granting access through the direct sequence-code division multiple access (DS-CDMA) technique. A data-aided (DA) phase recovery loop is designed to face multiple access interference (MAI). Open- and closed-loop behaviour are studied and illustrated by computations. It is shown that the multiuser phase estimator mitigates MAI and exhibits a smaller variance than the single-user one.","PeriodicalId":355729,"journal":{"name":"Gateway to 21st Century Communications Village. VTC 1999-Fall. IEEE VTS 50th Vehicular Technology Conference (Cat. No.99CH36324)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Gateway to 21st Century Communications Village. VTC 1999-Fall. IEEE VTS 50th Vehicular Technology Conference (Cat. No.99CH36324)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VETECF.1999.801717","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
This paper analytically investigates maximum-likelihood (ML) phase recovery in a multiuser system granting access through the direct sequence-code division multiple access (DS-CDMA) technique. A data-aided (DA) phase recovery loop is designed to face multiple access interference (MAI). Open- and closed-loop behaviour are studied and illustrated by computations. It is shown that the multiuser phase estimator mitigates MAI and exhibits a smaller variance than the single-user one.
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