@article {Alvarez-Diaz-TSP-10,
	title = {SNR Estimation for Multilevel Constellations Using Higher-Order Moments},
	journal = {IEEE Transactions on Signal Processing},
	volume = {58},
	number = {3, Part 2},
	year = {2010},
	month = {March},
	pages = {1515{\textendash}1526},
	keywords = {Blind estimation, higher-order statistics, Moments-based estimation, SNR estimation},
	author = {Marcos {\'A}lvarez-D{\'\i}az and R. L{\'o}pez-Valcarce and C. Mosquera}
}
