{"title":"移动无线网络中OFDM系统的组合解码与信道估计","authors":"L. Jarbot","doi":"10.1109/VETEC.1997.605828","DOIUrl":null,"url":null,"abstract":"An improved method to estimate the channel transfer function of a multi-carrier system (OFDM) is presented. The basic idea is to utilize the (soft) results of a decoding process to estimate and predict the channel coefficients of a frequency selective fading channel. The symbolwise soft-output of the decoder is treated as a reliability of the decoder decision. Using this reliability as a measure it is possible to update the channel estimation by the most reliable decoder decisions.","PeriodicalId":389634,"journal":{"name":"1997 IEEE 47th Vehicular Technology Conference. Technology in Motion","volume":"2012 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":"{\"title\":\"Combined decoding and channel estimation of OFDM systems in mobile radio networks\",\"authors\":\"L. Jarbot\",\"doi\":\"10.1109/VETEC.1997.605828\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An improved method to estimate the channel transfer function of a multi-carrier system (OFDM) is presented. The basic idea is to utilize the (soft) results of a decoding process to estimate and predict the channel coefficients of a frequency selective fading channel. The symbolwise soft-output of the decoder is treated as a reliability of the decoder decision. Using this reliability as a measure it is possible to update the channel estimation by the most reliable decoder decisions.\",\"PeriodicalId\":389634,\"journal\":{\"name\":\"1997 IEEE 47th Vehicular Technology Conference. Technology in Motion\",\"volume\":\"2012 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-05-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"14\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1997 IEEE 47th Vehicular Technology Conference. Technology in Motion\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VETEC.1997.605828\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1997 IEEE 47th Vehicular Technology Conference. Technology in Motion","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VETEC.1997.605828","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Combined decoding and channel estimation of OFDM systems in mobile radio networks
An improved method to estimate the channel transfer function of a multi-carrier system (OFDM) is presented. The basic idea is to utilize the (soft) results of a decoding process to estimate and predict the channel coefficients of a frequency selective fading channel. The symbolwise soft-output of the decoder is treated as a reliability of the decoder decision. Using this reliability as a measure it is possible to update the channel estimation by the most reliable decoder decisions.
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