José Luis Rojo‐Álvarez Department of Signal Theory and Communications University Rey Juan Carlos Fuenlabrada (Madrid) and Center for Computational Simulation Universidad Politécnica de Madrid, Spain
ManelMartínez‐Ramón Department of Electrical and Computer Engineering The University of New Mexico Albuquerque, New Mexico USA
JordiMuñoz‐Marí Department of Electronics Engineering Universitat de València Paterna (València), Spain
Gustau Camps‐Valls Department of Electronics Engineering Universitat de València Paterna (València), Spain