Fast communication: Frequency estimation of real-valued single-tone in colored noise using multiple autocorrelation lags

Authors:
Rim Elasmi-Ksibi;Hichem Besbes;Roberto López-Valcarce;Sofiane Cherif
Affiliations:
Unité de Recherche TECHTRA, Sup'Com, Tunisia;Unité de Recherche TECHTRA, Sup'Com, Tunisia;Department of Signal Theory and Communications, University of Vigo, Spain;Unité de Recherche TECHTRA, Sup'Com, Tunisia
Venue:
Signal Processing
Year:
2010

Citing 6
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Abstract

The problem of frequency estimation of a real-valued sinusoid in colored noise is addressed. A new estimator using higher-order lags of the sample autocorrelation is proposed, and a statistical analysis is provided. Computer simulations are included to validate the theoretical development and to demonstrate that the proposed approach outperforms several existing frequency estimators in terms of estimation accuracy.