George A. Oguntala Raed A. Abd-Alhameed Nazar T. Ali Yim-Fun Hu James M. Noras Nnabuike N. Eya Issa T. E. Elfergani Jonathan Rodriguez 0001 SmartWall: Novel RFID-Enabled Ambient Human Activity Recognition Using Machine Learning for Unobtrusive Health Monitoring. 68022-68033 2019 7 IEEE Access https://doi.org/10.1109/ACCESS.2019.2917125 db/journals/access/access7.html#OguntalaAAHNEER19