User Activity Analysis Via Network Traffic Using DNN and Optimized Federated Learning based Privacy Preserving Method in Mobile Wireless Networks. - R. Udayakumar; Suvarna Yogesh Pansambal; Yogesh Manohar Gajmal; V. R. Vimal; R. Sugumar (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2023)