Nuno Borges Carvalho is a Full Professor at the University of Aveiro and Senior Research Scientist in the Instituto de Telecomunicacoes, Portugal. He has co-authored two previous books, including Microwave and Wireless Measurement Techniques (Cambridge University Press, 2013). He is Associate Editor of IEEE Transactions on Microwave Theory and Techniques, IEEE Microwave Magazine, and the Cambridge Wireless Power Transfer Journal.