@article {941, title = {Testing equality of multiple power spectral density matrices}, journal = {IEEE Trans. Signal Processing}, volume = {66}, year = {2018}, month = {12/2018}, pages = {6268-6280}, keywords = {cognitive radio, winter}, doi = { 10.1109/TSP.2018.2875884}, author = {David Ram{\'\i}rez and Daniel Romero and Javier V{\'\i}a and R. L{\'o}pez-Valcarce and Ignacio Santamar{\'\i}a} }