{"title":"A novel blind diversity combining receiver for CDMA systems","authors":"M. Bugallo, J. Míguez, L. Castedo","doi":"10.1109/ISSPA.2001.950165","DOIUrl":null,"url":null,"abstract":"This paper addresses the problem of blind multiple access interference (MAI) and intersymbol interference (ISI) suppression in direct sequence code division multiple access (DS-CDMA) systems. In order to take advantage of the diversity inherent to multipath channels, we introduce a blind RAKE multiuser receiver that proceeds in two steps. First, soft estimates of the desired user transmitted symbols are obtained from each propagation path using a bank of appropriate linearly constrained maximum likelihood linear (LCMLL) receivers. Afterwards, these estimates are adequately combined to enhance the signal to interference and noise ratio (SINR).","PeriodicalId":236050,"journal":{"name":"Proceedings of the Sixth International Symposium on Signal Processing and its Applications (Cat.No.01EX467)","volume":"146 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Sixth International Symposium on Signal Processing and its Applications (Cat.No.01EX467)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSPA.2001.950165","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper addresses the problem of blind multiple access interference (MAI) and intersymbol interference (ISI) suppression in direct sequence code division multiple access (DS-CDMA) systems. In order to take advantage of the diversity inherent to multipath channels, we introduce a blind RAKE multiuser receiver that proceeds in two steps. First, soft estimates of the desired user transmitted symbols are obtained from each propagation path using a bank of appropriate linearly constrained maximum likelihood linear (LCMLL) receivers. Afterwards, these estimates are adequately combined to enhance the signal to interference and noise ratio (SINR).
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