Uplink Sum–Rate Maximization for UAV-Mounted HAP Wireless-Powered OTFS–NOMA With Delay–Doppler Alignment
We consider sum–rate maximization of a wireless-powered network with an uncrewed aerial vehicle-mounted hybrid access point for off-grid and energy-autonomous deployment. Non-orthogonal multiple access (NOMA) over orthogonal time–frequency space (OTFS) maps symbols to the delay–Doppler domain for doubly selective chann...