{"title":"CDMA软判决多用户检测器的生成功能分析","authors":"Kazushi Mimura, M. Okada","doi":"10.1109/ISIT.2007.4557159","DOIUrl":null,"url":null,"abstract":"We investigate detection dynamics of a soft parallel interference canceller (soft-PIC), which includes a hard PIC as a special case, for CDMA multiuser detection, applied to a randomly spread, fully synchronous base-band uncoded CDMA channel model with additive white Gaussian noise (AWGN) under perfect power control in the large-system limit. We analyze the detection dynamics of the soft-PIC and the belief-propagation-based detector by the generating functional analysis (GFA). The GFA allows us to study the dynamics of infinitely large disordered system in an exact way.","PeriodicalId":193467,"journal":{"name":"2007 IEEE International Symposium on Information Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Generating functional analysis of CDMA soft-decision multiuser detector\",\"authors\":\"Kazushi Mimura, M. Okada\",\"doi\":\"10.1109/ISIT.2007.4557159\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We investigate detection dynamics of a soft parallel interference canceller (soft-PIC), which includes a hard PIC as a special case, for CDMA multiuser detection, applied to a randomly spread, fully synchronous base-band uncoded CDMA channel model with additive white Gaussian noise (AWGN) under perfect power control in the large-system limit. We analyze the detection dynamics of the soft-PIC and the belief-propagation-based detector by the generating functional analysis (GFA). The GFA allows us to study the dynamics of infinitely large disordered system in an exact way.\",\"PeriodicalId\":193467,\"journal\":{\"name\":\"2007 IEEE International Symposium on Information Theory\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-06-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 IEEE International Symposium on Information Theory\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISIT.2007.4557159\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE International Symposium on Information Theory","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISIT.2007.4557159","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Generating functional analysis of CDMA soft-decision multiuser detector
We investigate detection dynamics of a soft parallel interference canceller (soft-PIC), which includes a hard PIC as a special case, for CDMA multiuser detection, applied to a randomly spread, fully synchronous base-band uncoded CDMA channel model with additive white Gaussian noise (AWGN) under perfect power control in the large-system limit. We analyze the detection dynamics of the soft-PIC and the belief-propagation-based detector by the generating functional analysis (GFA). The GFA allows us to study the dynamics of infinitely large disordered system in an exact way.
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