A UAV-Enabled Wireless Powered Sensor Network Based on NOMA and Cooperative Relaying With Altitude Optimization
Non-orthogonal multiple access (NOMA) is envisioned as a promising technology that enhances the spectrum efficiency for future cellular networks.On the other hand, there is a growing interest in wireless powered sensor networks toward the sustainable realization of Internet of Things (IoT), as they may not require any battery replacement in princip