Spectral Efficiency Beamforming Scheme for UAV MIMO Communication via Budgeted Combinatorial Multi-Armed Bandit. - Gao, Jing; Xiang, Yunxing; Song, Yunchao; Zhu, Jing; Wang, Jun; You, Xiaohui; Wang, Ge; Gao, Tianbao (Electronics (2079-9292), 2025)