Mohammad Rajiullah is a Senior Lecturer in Computer Science at Karlstad University, Sweden. He received his Ph.D. in Computer Science from Karlstad University in 2015, following an M.Sc. degree in Global Information and Telecommunication Studies from Waseda University, Japan, in 2007, and a B.Sc. degree in Computer Science from the Islamic University of Technology, Bangladesh, in 2002. His research interests include mobile broadband networks, particularly 5G and beyond, integration of non-terrestrial networks, energy-efficient Internet of Things (IoT) systems, and low-latency networking.