@article {uvigo:cancellation, title = {Equalization and interference cancellation in linear multiuser systems based on second-order statistics}, journal = {IEEE Transactions on Signal Processing}, volume = {49}, number = {9}, year = {2001}, month = {September}, pages = {2042{\textendash}2049}, keywords = {Digital Communications, equalization, second-order statistics}, author = {R. L{\'o}pez-Valcarce and Zhi Ding and Soura Dasgupta} }