In this paper, physical-layer security (PLS) for an underlay cognitive radio network (CRN)
over cascaded Rayleigh fading channels is studied. The underlying cognitive radio system …

In this paper, the secure communication of a cognitive radio network (CRN) over Nakagami-
m fading channel is investigated. An underlay protocol is used in the considered network …

In this paper, we introduce transmit antenna selection/maximal-ratio combining (TAS/MRC)
scheme in dual-hop randomize-and-forward (RaF) cognitive multiple-input multiple-output …

This paper investigates the power allocation problem for secure secondary transmission in a
multiple-input single-output cognitive wiretap system with artificial noise (AN). The …

In this study, the authors investigate the physical‐layer security in a cognitive radio network
where both the secondary user (SU) and the primary user (PU) are facing security threats …

In the present work, an underlay cognitive radio network (CRN) is considered to examine the
secrecy performance for Simultaneous Wireless Information and Power Transfer (SWIPT) …

This paper introduces underlay multiple input multiple output (MIMO) cooperative
communication involving source, destination, eavesdropper, primary nodes and decode and …

In this paper, the problem of communication security in an underlay wiretap cognitive radio
network is addressed and statistically investigated. We rely on a simple dual-hop …

In this paper, we investigate the secrecy performance of a multiantenna cognitive wiretap
network, where the secondary transmitter (Alice) communicates with the secondary receiver …

In this work, the physical layer security performance of an underlay cognitive buffer‐aided
relay network over the general Nakagami‐m fading channel model is addressed, where a …