1. College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China
2. College of Information and Communication Engineering, Harbin Engineering University, Harbin, China
3. School of Electrical and Electronics Engineering, Nanyang Technological University, 50 Nanyang Ave, Singapore
4. Faculty of Engineering and Applied Science, Memorial University, St. John’s, NL, Canada
5. International Research Institute of Disaster Science (IRIDeS), Tohoku University, Sendai, Japan