@article {Signal_Proc_Letters_2003, title = {A Fast Blind {SIMO} Channel Identification Algorithm for Sparse Sources}, journal = {IEEE Signal Processing Letters}, volume = {19}, number = {5}, year = {2003}, month = {May}, pages = {148{\textendash}151}, author = {Luengo, David and Santamar{\'\i}a, Ignacio and Ib{\'a}{\~n}ez, Jes{\'u}s and Vielva, Luis and Pantale{\'o}n, Carlos} }