About the Author: Matthias Pätzold was born in Engelsbach, Germany, in 1958. He received the Dipl.-Ing. and Dr.-Ing. degrees in electrical engineering from Ruhr-University Bochum, Bochum, Germany, in 1985 and 1989, respectively, and the habil. degree in communications engineering from the Technical University of Hamburg-Harburg, Hamburg, Germany, in 1998. From 1990 to 1992, he was with ANT Nachrichtentechnik GmbH, Backnang, Germany, where he was engaged in digital satellite communications. From 1992 to 2001, he was with the Department of Digital Networks at the Technical University Hamburg-Harburg. Since 2001, he has been a full professor of mobile communications with the University of Agder, Grimstad, Norway. He is author of the books "Mobile Radio Channels - Modelling, Analysis, and Simulation" (in German) (Wiesbaden, Germany: Vieweg, 1999) and "Mobile Fading Channels" (John Wiley & Sons, 2002) and "Mobile Radio Channels, 2nd Edition" (John Wiley & Sons, 2011). His current research interests include mobile radio communications, especially multipath fading channel modelling, multiple-input multiple-output (MIMO) systems, channel parameter estimation, and coded-modulation techniques for fading channels.