{"title":"Joint power distribution algorithm for multi-user downlink of JT MIMO system","authors":"Yingxiang Li, Zhiheng Hu, Xianci Xiao","doi":"10.1109/ICCCAS.2007.4348155","DOIUrl":null,"url":null,"abstract":"In this paper, we are interested in the problem of the estimation of polynomial phase signals affected by an additive Gaussian white noise. A method for 3-order polynomial phase signal parameter estimation is proposed. Firstly the segment correlation method is used to obtain linear frequency modulated (LFM) signal. Then some LFM detection and parameter estimation methods are adopted to solve this problem, such as Radon-ambiguity transform, time-domain dechirp, segment correlation dechirp methods. The merit of this new method is validated by illustrative examples in low signal-to-noise ratio (SNR) condition.","PeriodicalId":218351,"journal":{"name":"2007 International Conference on Communications, Circuits and Systems","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 International Conference on Communications, Circuits and Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCCAS.2007.4348155","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, we are interested in the problem of the estimation of polynomial phase signals affected by an additive Gaussian white noise. A method for 3-order polynomial phase signal parameter estimation is proposed. Firstly the segment correlation method is used to obtain linear frequency modulated (LFM) signal. Then some LFM detection and parameter estimation methods are adopted to solve this problem, such as Radon-ambiguity transform, time-domain dechirp, segment correlation dechirp methods. The merit of this new method is validated by illustrative examples in low signal-to-noise ratio (SNR) condition.
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