Yahia Medjahdi (Member, IEEE) received the Engineering degree from the National Polytechnic School, Algiers, the M.Sc. degree in signal processing for communications from Institute Galilée, University of Paris XIII, in 2008, and the Ph.D. degree from Conservatoire National des Arts et Métiers (CNAM), in July 2012. He is currently an Associate Professor with the Centre for Digital Systems, IMT Nord Europe, Lille. Prior to that, he was an Associate Professor with Institut Supérieur déElectronique de Paris (ISEP), a Researcher with the CEDRIC Laboratory, CNAM, an Assistant Professor with Khemis-Miliana University, Algeria, and a Postdoctoral Researcher with the ICTEAM Laboratory, Université Catholique de Louvain (UCL), Belgium. He has been involved in several ICT-European and French projects (PHYDYAS, EMPHATIC, and WONG5) dealing with waveform design for 5G and PMR systems. His research interests include waveform design for beyond-5G, channel estimation, PAPR reduction, and non-linearity of power amplifiers.