{"title":"基于时域信道估计的OFDM系统载波同步技术","authors":"Hao Zhou, A. Malipatil, Yih-Fang Huang","doi":"10.1109/WDD.2006.8321407","DOIUrl":null,"url":null,"abstract":"This paper presents maximum-likelihood estimators (MLEs) for carrier frequency offset (CFO) using frequency-domain and time-domain channel estimates. Cramer-Rao lower bounds (CRLBs) are derived and examined for the cases of same and different successive OFDM symbols. Furthermore, the MLE for the CFO, obtained using time-domain channel estimates, has high accuracy and features significantly reduced complexity, compared to conventional approaches.","PeriodicalId":339522,"journal":{"name":"2006 International Waveform Diversity & Design Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A carrier synchronization technique using time-domain channel estimate for OFDM systems\",\"authors\":\"Hao Zhou, A. Malipatil, Yih-Fang Huang\",\"doi\":\"10.1109/WDD.2006.8321407\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents maximum-likelihood estimators (MLEs) for carrier frequency offset (CFO) using frequency-domain and time-domain channel estimates. Cramer-Rao lower bounds (CRLBs) are derived and examined for the cases of same and different successive OFDM symbols. Furthermore, the MLE for the CFO, obtained using time-domain channel estimates, has high accuracy and features significantly reduced complexity, compared to conventional approaches.\",\"PeriodicalId\":339522,\"journal\":{\"name\":\"2006 International Waveform Diversity & Design Conference\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2006 International Waveform Diversity & Design Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/WDD.2006.8321407\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 International Waveform Diversity & Design Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WDD.2006.8321407","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A carrier synchronization technique using time-domain channel estimate for OFDM systems
This paper presents maximum-likelihood estimators (MLEs) for carrier frequency offset (CFO) using frequency-domain and time-domain channel estimates. Cramer-Rao lower bounds (CRLBs) are derived and examined for the cases of same and different successive OFDM symbols. Furthermore, the MLE for the CFO, obtained using time-domain channel estimates, has high accuracy and features significantly reduced complexity, compared to conventional approaches.
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