@article {ramirez11-tsp, title = {Detection of rank-P Signals in Cognitive Radio Networks With Uncalibrated Multiple Antennas}, journal = {Signal Processing, IEEE Transactions on}, volume = {59}, number = {8}, year = {2011}, month = {August}, pages = {3764-3774}, issn = {1053-587X}, doi = {10.1109/TSP.2011.2146779}, author = {David Ramirez and Vazquez-Vilar, Gonzalo and Lopez-Valcarce, Roberto and Javier Via and Ignacio Santamaria} }