DocumentCode
761876
Title
Comments on "Class of Cyclic-Based Estimators for Frequency-Offset Estimation of OFDM Systems"
Author
Wu, Yik-Chung ; Serpedin, Erchin
Author_Institution
Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA
Volume
53
Issue
3
fYear
2005
fDate
3/1/2005 12:00:00 AM
Firstpage
413
Lastpage
414
Abstract
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.
Keywords
OFDM modulation; delays; frequency estimation; maximum likelihood estimation; probability; OFDM system; cyclic-based estimator; frequency-offset estimation; maximum-likelihood estimator; minimum variance unbiased estimator; timing delay; Codes; Communications Society; Delay estimation; Equations; Error correction; Frequency estimation; Maximum likelihood estimation; OFDM; Probability density function; Timing;
fLanguage
English
Journal_Title
Communications, IEEE Transactions on
Publisher
ieee
ISSN
0090-6778
Type
jour
DOI
10.1109/TCOMM.2005.843444
Filename
1413584
Link To Document