To meet the performance and complexity requirements from practical deployment of non-
orthogonal multiple access (NOMA) systems, several users are grouped together for NOMA …

Non-orthogonal multiple access (NOMA) is regarded as a promising technology to provide
high spectral efficiency and support massive connectivity in 5G systems. Traditionally …

In multi-cell non-orthogonal multiple access (NOMA) systems, designing an appropriate user
grouping strategy is an open problem due to diverse quality of service (QoS) requirements …

To alleviate severe inter-user interference in Non-orthogonal multiple access (NOMA)
systems, in practice, several users are grouped together for NOMA transmission and …

Non-orthogonal multiple access (NOMA) is a popular multiplexing technique for the 5th
generation (5G) network due to its spectral efficiency, high reliability, and massive …

This paper focuses on user pairing (UP) and power allocation (PA) by considering an uplink
Non-orthogonal multiple access (NOMA) system. In NOMA, UP and PA serve as critical …

Non-orthogonal multiple access (NOMA) is regarded as a promising technology to provide
high spectral efficiency and support massive connectivity in 5G systems. In most existing …

This article presents advances in resource allocation for downlink non-orthogonal multiple
access (NOMA) systems, focusing on user pairing and power allocation algorithms. The …

Non-orthogonal multiple access (NOMA) can enhance the spectral efficiency of the fifth
generation (5G) wireless networks. System level optimization on power allocation and user …

Non-orthogonal multiple access (NOMA) guarantees good spectral efficiency and better
enhance system radio capacity. However, the deployment of NOMA is not easy due to …