Physical layer covert communication is a crucial secure communication technology that
enables a transmitter to convey information covertly to a recipient without being detected by …

Covert communications have arisen as an effective communications security measure that
overcomes some of the limitations of cryptography and physical layer security. The main …

In this work, a protocol for backscatter communication is studied over an additive white
Gaussian noise (AWGN) channel. The system model consists of a multi-antenna transmitter …