Dr. David Zabala-Blanco is an Assistant Professor at the Department of Computing and Industries, Universidad Católica del Maule. He received a B.S. degree in Electronic Systems Engineering from the Escuela Militar de Ingeniería, La Paz, Bolivia, in 2011, and M.Sc. and Ph.D. degrees in Telecommunications Engineering from the Tecnológico de Monterrey, Monterrey, México, in 2014 and 2018, respectively. From 2019 to 2021, he worked as a postdoctoral researcher at the Universidad Católica del Maule. His research interests include OFDM-based systems, optical communications, Nyquist-I pulses, and machine learning approaches. Dr. David Zabala-Blanco has served as a reviewer for several IEEE conferences, as well as journals, such as IEEE Access, Sensors, IEEE Latin America Transactions, and Wireless Personal Communications.