Blind phase recovery in cross QAM communication systems with eighth-order statistics
Kenneth V. Cartwright · IEEE Signal Processing Letters · 2001
A new method for blind phase estimation that uses eight-order statistics is described. For cross QAM constellations, it provides about the same root mean square error (RMSE) as the fourth power method with about one-sixth to one-fourth the number of samples. Monte Carlo simulations are provided to demonstrate the usefulness of the method.