Covert Communication in Downlink NOMA Systems With Random Transmit Power - Tao, Liwei; Yang, Weiwei; Yan, Shihao; Wu, Dan; Guan, Xinrong; Chen, Dechuan (IEEE wireless communications letters, 2020)
Keywords: Communication; Covert communication; Downlink; Downlinking; Error detection; Error probability; Gold; NOMA; Optimization; power allocation; random transmit power; Receivers; Resource management; Signal to noise ratio; Systems design