1. Researcher, Ericsson AB, Gothenburg, Sweden
2. Department of Wireless Technologies, CEA-Leti, Grenoble, France
3. Department of Informatics and Telecommunications, National and Kapodistrian University of Athens, Athens, Greece
4. Department of Microtechnology and Nanoscience (MC2), Chalmers University, Gothenburg, Sweden
5. Research Scientist, NEC Laboratories Europe GmbH, Heidelberg, Germany
6. Principal Researcher, NEC Laboratories Europe, Heidelberg, Germany
7. Professor, Chalmers University of Technology, Gothenburg, Sweden