Dr. Tauno Vaha-Heikkila received the B.Sc. degree in space physics and M.Sc. degree in applied physics from the University of Turku, Turku, Finland, in 2000 and 2001, respectively, and the Dr. Tech. degree from the Helsinki University of Technology (TKK), Espoo, Finland, in 2006. Since 2000, he has been with MilliLab, VTT Technical Research Centre of Finland, Espoo, Finland, where he is currently a Senior Research Scientist and Team Leader on adaptive radio systems. From 2002 to 2003, he was a Visiting Scholar with The University of Michigan at Ann Arbor. He has authored or coauthored over 50 scientific publications. His research interests include technology, circuit, and system development for reconfigurable radios from handsets to millimeter-wave applications.