1. Department of Electrical and Computer Engineering, Princeton University, Princeton, NJ, USA
2. State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China
3. Department of Electrical and Computer Engineering and the Department of Computer Science, Western University, London, Canada
4. Faculty of Engineering and Applied Science, Memorial University, St. John’s, Canada
5. Department of Electrical and Computer Engineering, Wireless Communications and Information Processing (WCIP) Group, Aristotle University of Thessaloniki, Thessaloniki, Greece
6. Department of Electrical and Computer Engineering, The University of Texas at Dallas, Richardson, TX, USA
7. Institute for Digital Communications, Friedrich-Alexander-University Erlangen-Nurnberg (FAU), Erlangen, Germany