… physical layer security (PLS) in non-orthogonal multiple access-enabled (NOMA-enabled)
underlay cognitive radio networks (CRNs) with outdated channel state information (CSI). …

… outdated channel state information (CSI) on the secrecy performance of an underlay spectrum
sharing cognitive radio networks … node (Alice) aims to transmit the trusted messages to the …

… output underlay cognitive wiretap radio network system over Rayleigh fading channel with
delayed channel state information… The reliable and secure communication in underlay CRN is …

… in underlay CRIoT. Since short-packet communications are sensitive to time delay, the influence
of outdated factors in the channel state information (… networks to ensure normal and safe …

… channel state information (CSI) on the secondary transmitter (ST)- primary receiver (PR)
channel is … Shen, “Physical-layer security with multiuser scheduling in cognitive radio networks,” …

… -layer security for an underlay cognitive radio-based radio frequency (RF)–free space optical
(FSO) network. In … Moreover, imperfect channel state information (CSI) at SU-TXs was also …

… layer security of an underlay cognitive radio network (… of channel state information (CSI) of
the eavesdropper channel, we investigate the secrecy performance of the proposed network in …

… of cognitive radio networks (CRNs): interweave, underlay … /maximal-ratio transmission-selection
combiningzero forcing … ) scheme underlay CRN of perfect channel state information (…

… Wireless Information and Power Transfer (SWIPT) with imperfect channel state information
(CSI). … of physical layer security for multi-hop underlay cognitive radio networks with imperfect …

… not take into account the effect of the maximum transmit power (see [5] and the references
… a secure underlay CR network with energy harvesting over Rayleigh fading channels. …