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- W4384644633 abstract "Hiding the wireless communication by transmitter Alice to intended receiver Bob from a capable and attentive adversary Willie has been widely studied under the moniker covert communications. However, when such covert communication is done in the presence of allowable system communications, there has been little study of both hiding the signal and preserving the performance of those allowable communications. Here, by treating Alice, Bob, and Willie as a generator, decoder, and discriminator neural network, we perform joint training in an adversarial setting to yield a covert communication scheme that can be added to any normal autoencoder. The method does not depend on the characteristics of the cover signal or the type of channel and it is developed for both single-user and multi-user systems. Numerical results indicate that we are able to establish a reliable undetectable channel between Alice and Bob, regardless of the cover signal or type of fading, and that the signal causes almost no disturbance to the ongoing normal operation of the system." @default.
- W4384644633 created "2023-07-19" @default.
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- W4384644633 date "2023-07-16" @default.
- W4384644633 modified "2023-09-25" @default.
- W4384644633 title "Covert Communication in Autoencoder Wireless Systems" @default.
- W4384644633 doi "https://doi.org/10.48550/arxiv.2307.08195" @default.
- W4384644633 hasPublicationYear "2023" @default.
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