He has been involved in projects and R&D initiatives for more than 7 years through the Telecommunication Networks and integrated Services Laboratory of the University of Piraeus, Greece. Currently he is active in 5G R&D activities (e.g., services, environment conditions, ultra-dense infrastructures, spectrum aspects etc.) and intelligent management of dynamic access networking paradigms such as opportunistic networking etc. He has also participated in the GreenTouch Initiative for energy-efficient networks and Wireless World Research Forum.