In this paper, physical layer security is considered for cognitive radio networks using an
unmanned aerial vehicle (UAV)-enabled jamming noise. In the studied model, a secondary …

This paper considers secure communications for an underlay cognitive radio network (CRN)
in the presence of an external eavesdropper (Eve). The secrecy performance of CRNs is …

Unmanned aerial vehicles (UAVs) have been recently applied to improve physical-layer
security in wireless communication networks. This work considers a cognitive relay network …

This paper investigates the physical layer security issue in an unmanned aerial vehicle
(UAV) aided cognitive radio network. Specially, a UAV operates as an aerial secondary …

The secure performance of wideband cognitive radio networks (CRNs) with OFDMA
(orthogonal frequency-division multiple access) achieved by using physical layer security is …

Cognitive radio is a promising technology to improve spectral efficiency. However, the
secure performance of a secondary network achieved by using physical layer security …

An unmanned aerial vehicle (UAV)-aided network is becoming a promising application for
the future wireless communication due to the flexible deployment and dominant line-of-sight …

To cover remote areas where terrestrial cellular networks may not be available, non-
terrestrial infrastructures such as satellites and unmanned aerial vehicles (UAVs) can be …

Cognitive radio (CR) as a key technology of solving the problem of low spectrum utilization
has attracted wide attention in recent years. However, due to the open nature of the radio …

Unmanned aerial vehicles (UAVs) are envisioned as a promising means of providing
wireless services for various complex terrains and emergency situations. In this paper, we …