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Delay-Intolerant Covert Communications with Either Fixed or Random Transmit Power

Yan, Shihao; He, Biao; Zhou, Xiangyun; Cong, Yirui; Swindlehurst, Arnold Lee


In this paper, we study delay-intolerant covert communications in additive white Gaussian noise (AWGN) channels with a finite block length, i.e., a finite number of channel uses. Considering the maximum allowable number of channel uses to be N, it is not immediately clear whether the actual number of channel uses, denoted by n, should be as large as N or smaller for covert communications. This is because a smaller n reduces a warden’s chance to detect the communications due to fewer...[Show more]

CollectionsANU Research Publications
Date published: 2018-06-11
Type: Journal article
Source: IEEE Transactions on Information Forensics and Security
DOI: 10.1109/TIFS.2018.2846257
Access Rights: Open Access


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