Joint Beamforming and Artificial Noise Optimization for Secure Transmissions in MISO-NOMA Cognitive Radio System with SWIPT - Garcia, Carla E.; Camana, Mario R.; Koo, Insoo (Electronics (Basel), 2020)
Keywords: Algorithms; Beamforming; Cognitive radio; Convexity; Energy efficiency; Energy harvesting; Interference; Internet of Things; Licenses; Maximum power; MISO (control systems); Nonorthogonal multiple access; Optimization; Power; Power transfer; Receivers & amplifiers; Relaxation method (mathematics); Security; Wireless communications; Wireless networks