{"title":"A posteriori Rake finger selection in space-time coded CDMA systems","authors":"S. Kim, E. Y. Kim","doi":"10.1109/GLOCOM.2005.1578340","DOIUrl":null,"url":null,"abstract":"We present the optimal Rake finger selection criterion that minimizes the a posteriori probability of symbol error in space-time block coded code division multiple access (CDMA) systems. It can serve as a benchmark for the performance of all a posteriori Rake finger selection criteria. Then we present suboptimal, but more practical, finger selection criteria based on a posteriori symbol error probability bounds, and analyze the bit error probability as a function of constellation sizes and number of resolvable paths. Simulation results show that there is a significant gain over the traditional signal strength-based selection criterion","PeriodicalId":319736,"journal":{"name":"GLOBECOM '05. IEEE Global Telecommunications Conference, 2005.","volume":"38 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2005-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"GLOBECOM '05. IEEE Global Telecommunications Conference, 2005.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/GLOCOM.2005.1578340","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
We present the optimal Rake finger selection criterion that minimizes the a posteriori probability of symbol error in space-time block coded code division multiple access (CDMA) systems. It can serve as a benchmark for the performance of all a posteriori Rake finger selection criteria. Then we present suboptimal, but more practical, finger selection criteria based on a posteriori symbol error probability bounds, and analyze the bit error probability as a function of constellation sizes and number of resolvable paths. Simulation results show that there is a significant gain over the traditional signal strength-based selection criterion
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