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insikt - Covert Communication
Intelligent Reflecting Surface-Assisted Covert Communication in Symbiotic Radio Systems
This paper proposes a novel covert communication strategy for symbiotic radio (SR) systems enhanced by intelligent reflecting surfaces (IRS), leveraging double-reflection links and optimizing system parameters to minimize detection probability by a warden.
ABC-Channel: A Novel Blockchain-based Covert Channel
Blockchain-based covert channels require contactless negotiation, indistinguishable transaction features, and untraceable communication identities for secure communication.
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