1. ESTSetúbal, Instituto Politécnico de Setúbal and INESC INOV-Lab, Setúbal, Portugal
2. Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, Gdańsk, Poland
3. Centre for Wireless Communications, Faculty of Information Technology and Electrical Engineering, University of Oulu, Oulu, Finland
4. Fraunhofer Heinrich Hertz Institute (HHI), Berlin, Germany
5. IST/INESC INOV-Lab, University of Lisbon, Lisbon, Portugal