Fernando José VelezFernando J. Velez received his Ph.D. degree in Electrical and Computer Engineering from Instituto Superior Técnico, Technical University of Lisbon in 2001. Since 1995 he has been with the Department of Electromechanical Engineering at the Universidad da Beira Interior, Covilhã, Portugal, and as Assistant Professor since 2001. He is also a researcher at the Instituto de Telecomunicações. His research interests include RF energy harvesting, wearable sensors and WBANS, and cost/revenue performance of advanced mobile communication systems. Read More Read Less