We consider an energy‐efficiency multichannel cognitive radio (CR) where the secondary
user (SU) can harvest the signal energy from the primary user (PU) to supply the power …

This paper investigates non-orthogonal multiple access (NOMA) system, where the near
NOMA user is able to communicate with a base station (BS) directly while the far NOMA user …

Non-orthogonal multiple access is a promising technique to meet the harsh requirements for
the internet of things devices in cognitive radio networks. To improve the energy efficiency …

With the advent of 5G and the need for energy-efficient massively connected wireless
networks, in this work, we consider an energy harvesting (EH) based multi-relay downlink …

In this paper, we study the performance of non-orthogonal multiple access (NOMA) scheme
in wireless-powered communication networks (WPCN) focusing on the system energy …

This paper applies machine learning to optimize the transmission policies of cognitive radio
inspired non-orthogonal multiple access (CR-NOMA) networks, where time-division multiple …

In this paper, we consider the power allocation (PA) problem in cognitive radio networks
(CRNs) employing nonorthogonal multiple access (NOMA) technique. Specifically, we aim …

This paper investigates the throughput of a non-orthogonal multiple access (NOMA)-based
cognitive radio (CR) system with multiple unmanned aerial vehicle (UAV)-assisted relays …

The simultaneous wireless information and power transfer or energy harvesting (EH) can be
combined in nonorthogonal multiple access (NOMA) as green applications towards 5G. This …

In this paper, we study radio frequency (RF)-powered underlay cognitive radio networks
(CRNs) with power-domain non-orthogonal multiple access (NOMA). In these networks, by …