1. Research Center of Engineering Applications for IoT, Jiangnan University, Wuxi, China
2. Jiangsu Province Internet of Things Application Technology Key Construction Laboratory, Wuxi Taihu College, Wuxi, China
3. School of Information Science and Engineering, Yanshan University, Qinhuangdao, China
4. School of Engineering and the Built Environment, Edinburgh Napier University, Edinburgh, UK