… other networks, such as D2D underlaying cellular networks [… relay significantly enhances
the covert communication … schemes in terms of achieving a higher covert rate. Furthermore, we …

… of network covert communications. To this end, this work focuses on the two-hop relay system
as [52] and investigates the impact of outdated CSI on covert communication performance …

… Wireless networks have become an indispensable part of our daily life, which have been …
of η1 to achieve the covert communication limits from the relay to Bob. Intuitively, the relay can …

… Abstract—In this letter, we investigate covert communication in relay networks with relay …
Zhou et al, “Covert communication achieved by a greedy relay in wireless networks,” IEEE …

… This article studies the performance of covert communication under a scenario consisted of
… Wang, “Covert communication achieved by a greedy relay in wireless networks,” IEEE Trans…

… ally, messages transmitted in wireless networks are secured from eavesdropping attacks
by employing encryption and key exchange techniques [2]. However, there are …

… The effect of greedy relaying on covert communication performance has been studied in [41].
The … relays transmitting covert information to the destination node are analyzed in [42]. …

… -way AF greedy relay that opportunistically transmits covert … In this paper, we study covert
communications for a CF relay … a CF relay, a source node attempts to transmit a covert message …

… relay self-interference channel. Under the joint FD/HD mode, we also examine the related
problems of … modeling for covert rate and optimal transmit power control of relay for covert rate …

… focused on covert communication in various wireless networks. … a new relay selection scheme
in covert communication, … level of greedy, ie the amount of covert information transmitted …