… In this article, we consider covert wireless communications … AWGN channels, when the
distance between Alice and the adversary Willie da,w = ω(n1/(2α)), Alice can reliably and covertly …

… systems for wireless communications. After reviewing these covert communication systems,
this … For example, covert communication over an AWGN channel effectively imposes a power …

… Thus, new approaches to achieve security in wireless communications are of considerable …
a two-hop system with AWGN channel where the source Alice can only communicate with the …

… , all existing studies utilized some form of secret shared … limits of LPD communication over
the MIMO AWGN channel. In … channel state information (CSI) on only the main channel at the …

… Although similar to our considered scenario, [36] presents the analysis under a finite
blocklength, the authors consider an AWGN channel for Willie, whereas we consider quasi-static …

… covert communications were … white Gaussian noise (AWGN) channels. This work has
been further extended to binary symmetric channels (BSCs) [7], discrete memoryless channels (…

… of covert communications over the MIMO AWGN channel … Gaussian noise (AWGN) channels.
The scenario with K transmitters attempting to communicate to a legitimate receiver covertly …

… This section discusses the covert wireless communication in the presence of active Willie. …
in AWGN channels [8], which implies that Alice can transmit O( √n) bits reliably and covertly …

… (LPD) communication that employs the noise or jamming signals as the cover to hide user’s …
of an active warden in covert wireless communications on AWGN channels and find that, …

… covert communication have been studied under various channels, such as additive white
Gaussian noise (AWGN) … of covert wireless communication,” IEEE Commun. Mag., vol. 53, no. …