Fernando J. Velez received the Licenciado, MSc and PhD degrees in Electrical and Computer Engineering from Instituto Superior Técnico, Technical University of Lisbon in 1993, 1996 and 2001, respectively. Since 1995 he has been with the Department of Electromechanical Engineering of University of Beira Interior, Covilhã, Portugal, where he is Assistant Professor. He is also researcher at Instituto de Telecomunicações, Lisbon. He made or makes part of the teams of RACE/MBS, ACTS/SAMBA, COST 259, COST 273, COST 290, IST-SEACORN, IST-UNITE, and COST 2100 European projects, and he was/is the coordinator of four Portuguese projects: SAMURAI, MULTIPLAN, CROSSNET, and MobileMAN. He has authored around fifty papers and communications in international journals and conferences, plus twenty in national conferences, and is a member of IEEE, IAENG, and Ordem dos Engenheiros (EUREL). His main research areas are cellular planning tools, traffic from mobility, simulation of wireless networks, cross-layer design, inter-working, multi-service traffic and cost/revenue performance of advanced mobile communication systems.