About the Author
Fernando Perez-Fontan, Vigo, Spain, is a full professor at the Signal Theory and Communications Department of the University of Vigo. He has authored a number of books and journal papers and has been the leader in a number of projects funded by public and private entities. He has participated in several ESA projects as the University of Vigo leader dealing with propagation effects on GNSS2, Galileo and land mobile satellite systems.
Perfecto Mariño Espiñeira, Vigo, Spain, is a full Professor in the Electronic Technology Department, University of Vigo. His main research interests include distributed electronic instrumentation, wireless sensor networks, fieldbus tecnology for industrial control and artificial vision. He has authored more than 20 articles in national and international technical journals, coauthored 12 books and published more than 100 papers in international conferences. He holds a European patent on distributed instrumentation for power transformers (2005), and is also the Director of the Digital Communications Division from the Electronic Technology Department, University of Vigo.