Trajectory Control and Fair Communications for Multi-UAV Networks: A Federated Multi-Agent Deep Reinforcement Learning Approach. - Getaneh Berie Tarekegn; Belayneh Abebe Tesfaw; Rong-Terng Juang; Dola Saha; Robel Berie Tarekegn; Hsin-Piao Lin; Li-Chia Tai (IEEE Trans. Wirel. Commun., 2025)