Orthogonal time-frequency space (OTFS) is being pursued in recent times as a suitable
wireless transmission technology for use in high-mobility scenarios. In this article, we …

Non-orthogonal multiple access (NOMA) and backscatter communications are considered to
be promising technologies for beyond the fifth-generation (5G) due to their applications in …

Nonorthogonal multiple access (NOMA) can effectively improve the spectral efficiency by
exploiting the power difference and employing successive interference cancellation (CSI) at …

Non-orthogonal multiple access (NOMA) is increasingly becoming very attractive in cloud
radio access networks (CRANs) to further boost the overall spectral efficiency, connectivity …

The anticipated thousand fold wireless traffic increase by 2020 and global recognition of the
importance of green communications pose very tough challenges on 5G communication …

To improve system capacity and spectral efficiency, as well as support more connections in
cloud radio access networks (C-RANs), the application of non-orthogonal multiple access …

In this letter, we consider a multi-user cognitive backscatter network. Backscatter devices
(BDs) not only share the spectrum with the primary user, but also harvest energy from and …

Non-orthogonal multiple access (NOMA) is expected to be a promising multiple access
techniques for 5G networks due to its superior spectral efficiency (SE). In this paper, we …

Non-orthogonal multiple access (NOMA) supports massive wireless mobile devices,
increases the spectral efficiency, and also supports the user-fairness, by multiplexing …

In this paper, we analyze the performance of an energy harvesting (EH)-assisted overlay
cognitive non-orthogonal multiple access (NOMA) system. The underlying system consists of …