S. . Kalimuthu, T. . Perumal, E. . Marlisah, R. . Yaakob, V. . BS, and N. H. . Ismail, “HUMAN ACTIVITY RECOGNITION BASED ON DEVICE-FREE WI-FI SENSING: A COMPREHENSIVE REVIEW”, MJCS, vol. 37, no. 3, pp. 253–270, Aug. 2024.