{"title":"多径衰落信道下多速率DS-CDMA的集中式自适应MMSE检测器","authors":"Mostafa El-Khamy, S. Elnoubi, O. Alim","doi":"10.1109/NRSC.2002.1022645","DOIUrl":null,"url":null,"abstract":"Future mobile systems will support services with different data rates. In this paper, we propose centralized feed-forward feedback architectures for adaptive minimum mean square error (MMSE) detectors for asynchronous multirate direct sequence code division multiple access (DS-CDMA) systems. A multipath Rayleigh fading channel is assumed. The MMSE detector is implemented using the recursive least squares (RLS) algorithm. We compare between the different. proposed architectures and the results are verified using simulations.","PeriodicalId":231600,"journal":{"name":"Proceedings of the Nineteenth National Radio Science Conference","volume":"58 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Centralized adaptive MMSE detectors for multirate DS-CDMA in multipath fading channels\",\"authors\":\"Mostafa El-Khamy, S. Elnoubi, O. Alim\",\"doi\":\"10.1109/NRSC.2002.1022645\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Future mobile systems will support services with different data rates. In this paper, we propose centralized feed-forward feedback architectures for adaptive minimum mean square error (MMSE) detectors for asynchronous multirate direct sequence code division multiple access (DS-CDMA) systems. A multipath Rayleigh fading channel is assumed. The MMSE detector is implemented using the recursive least squares (RLS) algorithm. We compare between the different. proposed architectures and the results are verified using simulations.\",\"PeriodicalId\":231600,\"journal\":{\"name\":\"Proceedings of the Nineteenth National Radio Science Conference\",\"volume\":\"58 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2002-11-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Nineteenth National Radio Science Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NRSC.2002.1022645\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Nineteenth National Radio Science Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NRSC.2002.1022645","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Centralized adaptive MMSE detectors for multirate DS-CDMA in multipath fading channels
Future mobile systems will support services with different data rates. In this paper, we propose centralized feed-forward feedback architectures for adaptive minimum mean square error (MMSE) detectors for asynchronous multirate direct sequence code division multiple access (DS-CDMA) systems. A multipath Rayleigh fading channel is assumed. The MMSE detector is implemented using the recursive least squares (RLS) algorithm. We compare between the different. proposed architectures and the results are verified using simulations.
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