1. School of Physics and Electronics Information Engineering, Henan Polytechnic University and the Jiaozuo Key Laboratory of Crow-Sensing Network, Jiaozuo, China
2. 5GIC & 6GIC, Institute for Communication Systems, University of Surrey, Guildford, U.K.
3. Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse, NY, USA
4. Department of Applied Informatics Silesian University of Technology Akademicka, Gliwice, Poland
5. School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K.