Risto Wichman received the M.Sc. and D.Sc. (Tech) degrees in digital signal processing from Tampere University of Technology, Tampere, Finland, in 1990 and 1995, respectively. From 1995 to 2001, he worked with Nokia Research Center, as a Senior Research Engineer. In 2002, he joined the Department of Signal Processing and Acoustics, Aalto University School of Electrical Engineering, Espoo, Finland, where he has been a Full Professor since 2008. His research interests include signal processing techniques for wireless communication systems. (Based on document published on 8 January 2016).