From 2011 to 2013, he was a Research Fellow with NTU. From March 2015 to June 2015, he was a visiting scholar with the University of Sheffield, Sheffield, UK. Since 2013, he has been an Associate Professor with Huazhong University of Science and Technology (HUST), Wuhan, China. His current research interests include next generation mobile communications, software-defined networking, cooperative edge caching, cognitive radios/spectrum sharing, simultaneous wireless information and power transfer, wireless cooperative communications and full-duplex relays. He was a co-recipient of the IEEE ICCC 2017 Best Paper Award and the IET Networks 2017 Best Paper Award