The integration of cognitive radio and device-to-device (D2D) communication gives rise to
Cognitive D2D (cD2D) communication, which offers numerous advantages, such as …

As a promising technique, power beacon provides ability of wireless energy transfer to
relaying devices in Internet of Things (IoT) to serve far devices with respect to low latency …

In this article, we investigate the performance of spectrum sharing inunderlay cognitive radio
(CR)-inspired nonorthogonal multiple access (NOMA) systems, at which a primary …

This paper considers a multiple-input multiple-output (MIMO) non-orthogonal multiple
access (NOMA) cognitive radio (CR) system with an unmanned aerial vehicle relay (UR). In …

To improve the utilization of spectrum and system capacity, non-orthogonal multiple access
(NOMA) is considered as a promising multiple access method for emerging communication …

This paper considers a two-user downlink transmission in reconfigurable intelligent surface
(RIS)-aided network over fading channels. Particularly, by employing user grouping and …

Recently, the combination of cognitive radio networks with the nonorthogonal multiple
access (NOMA) approach has emerged as a viable option for not only improving spectrum …

In this study, non-orthogonal multiple access (NOMA) together with cognitive radio (CR)
benefit to the vehicle-to-everything (V2X) as promising application with high spectrum …

In this study, we deploy design and performance analysis in new system model using a
relaying model, energy harvesting, and non-orthogonal multi-access (NOMA) network. It is …

This article studies the wireless systems by implementing the full-duplex (FD) unmanned
aerial vehicle (UAV) relay to allow two nearby base stations joint communicate to distant …