Alireza Pourafzal, PhD, is a Postdoctoral Researcher in the Communication Group at Chalmers University of Technology. He earned his PhD in Information and Communication Technology from the Norwegian University of Science and Technology (NTNU), and holds both a Master's and Bachelor's degree from K.N. Toosi University of Technology in Iran. His research focuses on signal processing and machine learning for wireless and optical communications, with primary areas of interest including array signal processing, channel estimation, and direction of arrival (DOA) estimation.