In this paper, for the downlink of a non-orthogonal multiple access (NOMA) system, the
power allocation scheme is proposed for the legitimate users. Attaching importance to the …

Non-orthogonal multiple access (NOMA) has been considered as a promising scheme for
enabling ultra-high throughput transmission and massive-connectivity in next generation …

In this paper, we study the physical layer security in the downlink Non-Orthogonal Multiple
Access (NOMA) systems with the capability of simultaneous wireless information and power …

In this paper, we investigate the joint subcarrier (SC) assignment and power allocation
problem for non-orthogonal multiple access (NOMA) amplify-and-forward two-way relay …

Non-orthogonal multiple access (NOMA) has been recognized as a promising technique for
providing high data rates in 5G systems. This letter is to study physical layer security in a …

Non-orthogonal multiple access (NOMA) has been recognized as one of the key enabling
technologies for future generation wireless networks. Sharing the same time-frequency …

In this paper, we study a particle swarm optimization (PSO)-based power allocation scheme
for physical-layer security under downlink non-orthogonal multiple-access (NOMA) with …

Non-orthogonal multiple access (NOMA) can be combined with physical layer security
technology to greatly improve spectral efficiency while tackling security issues for the …

Spectrally-efficient secure non-orthogonal multiple access (NOMA) has recently attained a
substantial research interest for fifth generation development. This work explores crucial …

Physical layer security of non-orthogonal multiple access (NOMA) systems has attracted
great attentions. However, the impact of mobility on physical layer security of NOMA systems …