{"title":"A theoretical study on iterative detection of pre-coded OFDM","authors":"Yoko Masuda, K. Ohno, M. Itami","doi":"10.1109/MC-SS.2011.5910705","DOIUrl":null,"url":null,"abstract":"The performance of OFDM is improved by pre-coding data symbols in the frequency domain. However, it is not desirable that additive noise on the specific carrier whose signal-to-noise ratio is very low may degrade total system performance. Iterative detection of pre-coded OFDM has already been proposed to overcome this problem. In this paper, theoretical analysis of detection of pre-coded OFDM is performed in order to achieve optimal detection. As the result of analysis, some condition that achieves better performance has been derived.","PeriodicalId":251147,"journal":{"name":"2011 8th International Workshop on Multi-Carrier Systems & Solutions","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 8th International Workshop on Multi-Carrier Systems & Solutions","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MC-SS.2011.5910705","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
The performance of OFDM is improved by pre-coding data symbols in the frequency domain. However, it is not desirable that additive noise on the specific carrier whose signal-to-noise ratio is very low may degrade total system performance. Iterative detection of pre-coded OFDM has already been proposed to overcome this problem. In this paper, theoretical analysis of detection of pre-coded OFDM is performed in order to achieve optimal detection. As the result of analysis, some condition that achieves better performance has been derived.
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