Covert Multi-Channel Communication Against Interference-Assisted Proactive Detection

In this article, covert multi-channel communication against interference-assisted proactive detection is investigated in additive Gaussian white noise (AWGN) channel. We first analyze the detection performance for the warden and derive the covert constraints. Then, to maximize the average effective...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 2024-09, Vol.73 (9), p.14033-14037
Main Authors: Che, Bohan, Shi, Hui, Lu, Xingbo, Gao, Chang, Yang, Weiwei, Liu, Jue, Jiang, Junhao
Format: Article
Language:English
Subjects:
AWGN channels
Covert communications
finite blocklength
Interference cancellation
multi-channel system
Optimization
proactive detection
Programmable logic arrays
Surveillance
Throughput
Uncertainty
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Summary:In this article, covert multi-channel communication against interference-assisted proactive detection is investigated in additive Gaussian white noise (AWGN) channel. We first analyze the detection performance for the warden and derive the covert constraints. Then, to maximize the average effective covert throughput (AECT) of the legitimate communicating parties, we establish an optimization problem by jointly optimizing the sub-channels number and transmit power. Analysis and numerical results show that selecting an appropriate number of sub-channels can improve the AECT against interference-assisted proactive detection comparison with single-channel schemes.
ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2024.3394734