This paper proposes a system EE (energy efficiency) optimization algorithm based on OPS
(On‐off Power Splitting) strategy for SWIPT (Simultaneous Wireless Information and Power …

In order to improve the energy efficiency (EE) performance of cooperative networks, this
study combines non-orthogonal multiple access (NOMA) with simultaneous wireless …

Cognitive radio (CR) and non-orthogonal multiple access (NOMA) have been deemed two
promising technologies due to their potential to achieve a high spectral efficiency and …

The security energy efficiency (SEE) is investigated in a two way-full duplex (TW-FD) relay
assisted cognitive radio non-orthogonal multiple access (CR-NOMA) networks. In order to …

This paper investigates the solution to an optimisation problem to minimise the total
transmission power at the transmitter in a cooperative non-orthogonal multiple access …

Energy Efficiency (EE) is a significant problem for Cognitive Radio (CR) network. Recently,
more interest has focused on EE optimization problem in wireless-powered communication …

Due to the shortcomings of the standard bat algorithm (BA) for multi-parameter optimization,
an improved bat algorithm is proposed. The benchmark function test shows that the …

In this paper, we propose a spectrum-sharing protocol for a cooperative cognitive radio
network based on non-orthogonal multiple access technology, where the base station (BS) …

In this paper, a cooperative non-orthogonal multiple access (NOMA) mobile edge computing
(MEC) network aided by reconfigurable intelligent surfaces (RIS) and simultaneous wireless …

ABSTRACT A cooperative network could improve energy efficiency by combining non-
orthogonal multiple access (NOMA) with simultaneous wireless information and power …