{"title":"A hybrid Cramér-Rao bound for the channel estimation of non-orthogonal, disintegrated, amplify-and-forward cooperative OFDM systems","authors":"Kao-Peng Chou, Jia-Chin Lin","doi":"10.1109/ICCITECHNOL.2012.6285822","DOIUrl":null,"url":null,"abstract":"In this paper, a hybrid Cramér-Rao bound (HCRB) for the channel estimation of non-orthogonal, disintegrated, amplify-and-forward (NAF) relaying systems is derived. The HCRB is an effective benchmark for examining channel estimation performance. Several conventional frequency-domain channel estimations, such as the least-squares (LS), minimum-mean-square-error (MMSE) channel estimators are simulated and compared with the derived HCRB.","PeriodicalId":435718,"journal":{"name":"2012 International Conference on Communications and Information Technology (ICCIT)","volume":"288 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 International Conference on Communications and Information Technology (ICCIT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCITECHNOL.2012.6285822","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In this paper, a hybrid Cramér-Rao bound (HCRB) for the channel estimation of non-orthogonal, disintegrated, amplify-and-forward (NAF) relaying systems is derived. The HCRB is an effective benchmark for examining channel estimation performance. Several conventional frequency-domain channel estimations, such as the least-squares (LS), minimum-mean-square-error (MMSE) channel estimators are simulated and compared with the derived HCRB.
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