摘自 Duan R, Wang J, Jiang C, et al. Resource allocation for multi-UAV aided IoT NOMA uplink transmission systems[J]. IEEE Internet of Things Journal, 2019, 6(4): 7025-7037.

摘自 Zhang S , Zhang H , Di B , et al. Cellular UAV-to-X Communications: Design and Optimization for Multi-UAV Networks[J]. IEEE Transactions on Wireless Communications, 2018, PP(99).