Title :
Frequency Offset Estimation for Unknown QAM Constellations
Author :
Colonnese, Stefania ; Rinauro, Stefano ; Scarano, Gaetano
Author_Institution :
DIET, Univ. La Sapienza di Roma, Rome, Italy
fDate :
3/1/2012 12:00:00 AM
Abstract :
We introduce a novel, both gain and signal-to-noise ratio independent, constellation unaware, blind frequency offset estimation procedure for QAM signals. Asymptotic performance analysis and numerical simulations show that the herein presented method outperforms a selected state of the art blind constellation unaware estimator, especially for cross constellations.
Keywords :
frequency estimation; numerical analysis; quadrature amplitude modulation; QAM constellations; asymptotic performance analysis; blind constellation unaware estimator; blind frequency offset estimation procedure; numerical simulations; Constellation diagram; Estimation; Frequency estimation; Histograms; Quadrature amplitude modulation; Signal to noise ratio; Frequency estimation; deconvolution; quadrature amplitude modulation;
Journal_Title :
Communications, IEEE Transactions on
DOI :
10.1109/TCOMM.2012.013112.110072