Abstract
In view of the threats to wireless communication security caused by technical means such as wireless eavesdropping, the state-of-the-art scheme of wireless covert channel modulates the artificial noise from secret messages and superimposes it on normal signals for transmission which avoids detection by unauthorized third parties. This type of wireless covert channel is undetectable. However, the transmission of secret messages is easily interfered. This paper proposes a wireless covert channel scheme based on syndrome-trellis codes. By constructing the syndrome-trellis codes, the sender embeds secret messages in the cover messages to generate the stego messages undetectably. The receiver extracts the secret messages from the stego messages through the corresponding parity check matrix of the syndrome trellis codes. The simulation results show that the proposed scheme has an improvement in reliability while maintaining good undetectability.
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Cao, P., Liu, Y., Bu, W., Cao, J. (2023). A Wireless Covert Channel Based on Syndrome-Trellis Codes. In: Dong, J., Zhang, L. (eds) Proceedings of the International Conference on Internet of Things, Communication and Intelligent Technology . IoTCIT 2022. Lecture Notes in Electrical Engineering, vol 1015. Springer, Singapore. https://doi.org/10.1007/978-981-99-0416-7_27
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DOI: https://doi.org/10.1007/978-981-99-0416-7_27
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