Bernard Mulgrew is Professor of Signals and Systems at the University of Edinburgh and leads the Signals and Systems Research Group. He teaches undergraduate classes in systems theory and signal processing and his research interests are in the application of signal processing techniques to radar and communications systems. Peter Grant is Professor of Electronic Signal Processing at the University of Edinburgh where he is Head of the School of Engineering and Electronics. He teaches digital communications and signal processing and researches in DSP for mobile wireless interface applications. John Thompson is a Lecturer at the University of Edinburgh. He works within the Signals and Systems Research Group, investigating signal processing and antenna array techniques for wireless communications. He teaches undergraduate classes in signal processing and control theory.