In this article, an energy efficiency (EE) maximization problem of cooperative nonorthogonal
multiple access (CNOMA) network is proposed to jointly determine the user pairing …

Recently, it was shown that non-orthogonal multiple access (NOMA) became a hot topic due
to its capacity for ameliorating spectral efficiency. In this paper, power allocation in …

Non-orthogonal multiple access (NOMA) is expected to play a critical role in heterogeneous
networks (HetNets) for beyond fifth-generation (5G) wireless systems. The unrivaled benefits …

This paper focus on the two-tier downlink heterogeneous networks (HetNets) with non-
orthogonal multiple access (NOMA). The aim is to jointly optimize user scheduling and …

This paper considers joint relay selection and maxmin energy-efficient power allocation (J-
RS-MMEE-PA) in downlink multi-cell non-orthogonal multiple-access (NOMA) networks …

Non-orthogonal multiple access (NOMA) is one of the most promising technologies in the
next-generation cellular communication. However, the effective power allocation strategy …

The cellular technology in 5G has raised demand for high data rate which requires more
resources such as bandwidth and base station (BS) power. But, availability of these …

Non-orthogonal multiple access (NOMA) is regarded as a promising technology to satisfy
the huge access demand and data rate requirements of the next generation network. In this …

In this paper, we consider a single cell downlink non-orthogonal multiple access (NOMA)
network and aim at maximizing the energy efficiency. The energy-efficient resource …

Non-orthogonal multiple access (NOMA) technology can meet user access requirements
and improve system capacity. In this paper, we investigate the joint subcarrier assignment …