Comments on "Class of Cyclic-Based Estimators for Frequency-Offset Estimation of OFDM Systems"
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This comment corrects several errors found in the paper, "Class of Cyclic-Based Estimators for Frequency-Offset Estimation of OFDM Systems." In addition, we show that the minimum variance unbiased estimator for frequency offset derived in the above paper is the maximum-likelihood estimator when the timing delay is perfectly known. 2005 IEEE.
IEEE Transactions on Communications
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Yik-Chung Wu, .., & Serpedin, E.
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