**Author details**

Nordin Aranzabal\*, Adrián Suárez, José Torres, Raimundo García-Olcina, Julio Martos, Jesús Soret, Abraham Menéndez and Pedro A. Martínez

\*Address all correspondence to: nordin.aranzabal@uv.es

Department of Electronic Engineering, University of Valencia, Burjassot, Valencia, Spain
