He received his Ph.D. degree in communication systems from the Swiss Federal Institute of Technology EPFL in 2003. He is currently leading a group on experimental 4G-5G system research related to radio access and core networks with a blend of communication, computing, and data analysis with concrete use-cases. He is very active in collaborative research projects related to 5G and beyond in the context of industry-driven projects as well European FP6, FP7, H2020 framework programmes. He is also leading the development of the radio access layer of OpenAirInterface.org and its evolution towards 5G as well as coordinating the Mosaic-5G.io initiative whose goal is to provide software-based 4G/5G service delivery platforms.