1. Institute for the Wireless Internet of Things, Northeastern University, Boston, MA, USA
2. Division of Communication Systems, KTH Royal Institute of Technology, Stockholm, Sweden
3. Department of Information Technology and Electrical Engineering, ETH Zürich, Zürich, Switzerland
4. Department of Electrical, Computer and Energy Engineering, University of Colorado Boulder, Boulder, CO, USA
5. NYU Wireless Research Centre, New York University, New York, NY, USA
6. NASA Jet Propulsion Laboratory, Pasadena, CA, USA