1. School of Electronic and Information Engineering, Nanjing University of Information Science and Technology, Nanjing, China
2. CNRS, Aix-Marseille University, Marseille, France
3. Department of Quantitative Methods and Economic Informatics, Faculty of Operation and Economics of Transport and Communication, University of Zilina, Zilina, Slovakia
4. Centre for Digital Systems, IMT Nord Europe, University of Lille, Lille, France