Khoi Khac Nguyen was born in Bac Ninh, Vietnam. He received his B.Eng. degree in information and communication technology from the Hanoi University of Science and Technology (HUST), Vietnam in 2018. He is currently pursuing the Ph.D. degree with the School of Electronics, Electrical Engineering and Computer Science, Queen’s University Belfast, U.K. His research interests include machine learning and deep reinforcement learning for real-time optimisation in wireless networks, reconfigurable intelligent surface, unmanned air vehicle (UAV) communication and massive Internet of Things (IoTs).