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Hiding Messages into Secure Connection Transmissions with Full-Duplex Receiver

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posted on 21.10.2021, 03:04 authored by Hien TaHien Ta, Lap Luat NguyenLap Luat Nguyen, Tien Tung Nguyen, Anthony Fiche, Roland Gautier
This letter considers hiding messages into overt transmissions with a Full-Duplex receiver, which emits Artificial Noise to secure its transmission connection while a transmitter opportunistically sends a covert message to a covert user. The warden’s uncertainties of decoding the overt message and Artificial Noise received power are exploited to hide messages. Then, the covert throughput accompanied with the warden’s average detection error probability are determined. The results show that increasing the transmit power of Artificial Noise will improve the covert performance. The results also show that the covert performance is improved when the self-interference cancellation is improved at the Full-Duplex receiver or the warden is located close to the Full-Duplex receiver, indicating the positive impact of the overt performance on the covert performance.

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Email Address of Submitting Author

nlluat@gmail.com

Submitting Author's Institution

International University - Vietnam National University, HCM City, Vietnam

Submitting Author's Country

Viet Nam