Probabilistic Accumulate-Then-Transmit in Wireless-Powered Covert Communications

• Published in: IEEE transactions on wireless communications Vol. 21; no. 12; pp. 10393 - 10406
• Main Authors: Wang, Yida, Yan, Shihao, Yang, Weiwei, Zhong, Caijun, Ng, Derrick Wing Kwan
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.12.2022; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: artificial noise; Communication; Communications systems; Conditional probability; Covert communications; Design optimization; Error detection; Interference cancellation; Internet of Things; Optimization; Protocols; Receivers; Sensor systems; Sensors; Statistical analysis; transmit probability; Transmitters; Upper bounds; Wireless communication; Wireless communications; wireless-powered communications

In this paper, we investigate the optimal design of a wireless-powered covert communication (WP-CC) system, where a full-duplex (FD) receiver transmits artificial noise (AN) to simultaneously charge an energy-constrained transmitter and to confuse a warden's detection on the transmitter's...