1. Faculty of Computer and Information Systems, Islamic University of Madinah, Madinah 42351, Saudi Arabia
2. School of Architecture and Built Environment, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia
3. School of Technology, Federal University of Santa Catarina, Campus Universitario, Trindade, Florianópolis 88040-900, SC, Brazil
4. BISITE Research Group, University of Salamanca, 37007 Salamanca, Spain
5. Air Institute, IoT Digital Innovation Hub, 37188 Salamanca, Spain
6. Department of Electronics, Information and Communication, Faculty of Engineering, Osaka Institute of Technology, Osaka 535-8585, Japan