Rodney Vaughan is senior research engineer at Industrial Research Limited, New Zealand. He has degrees in electrical engineering from the University of Canterbury, New Zealand, and gained his Ph.D. from Aalborg University, Denmark. Since then he has worked for Telecom NZ and Industrial Research Limited. For the latter he established research and development groups in signal processing and multipath communications. Applications include designs in antennas and signal processing, which have been used widely. In addition to his work on many industrial projects, his research includes topics in multipath, signal processing and multiport antennas, and he has published over 100 papers and conference contributions.