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Covert Communication in Fading Channels under Channel Uncertainty

Shahzad, Khurram; Yan, Shihao; Zhou, Xiangyun


A covert communication system under block fading channels is considered, where users experience uncertainty about their channel knowledge. The transmitter seeks to hide the covert communication to a private user by exploiting a legitimate public communication link, while the warden tries to detect this covert communication by using a radiometer. We derive the exact expression for the radiometer’s optimal threshold, which determines the performance limit of the warden’s...[Show more]

CollectionsANU Research Publications
Type: Conference paper
DOI: 10.1109/VTCSpring.2017.8108525


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1703.02169.pdfAuthor/s Accepted Manuscrupt (AAM)593.88 kBAdobe PDFThumbnail

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