For the last few decades, wireless communication has been facing a technological
revolution. High data rate and continuous connectivity are the necessities because the …

Non-orthogonal multiple access (NOMA) systems can serve multiple users in contrast to
orthogonal multiple-access (OMA), which makes use of the limited time or frequency domain …

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, OFDM-based techniques designed for Intensity Modulation/Direct Detection
(IMDD) modulation applied to Visible Light Communications (VLC) systems are evaluated …

In this paper, several Orthogonal frequency division multiplexing (OFDM)-based Visible light
Communications (VLC) techniques designed for intensity modulation/direct detection …

With the recent advances in resource allocation methods for 5G heterogeneous networks
and dynamic spectrum access, the convergence between them becomes a more prevalent …

Resource Allocation for multiple users using NOMA analyzed. In this work, Power Domain
Non-Orthogonal Multiple Access (PD-NOMA) technique is analyzed. This technique aims to …

The demand for high transmission rates and dependable communication drive the optical
Multi-carrier modulation technique to be an appealing method owing to its broad spectrum …

The expanding need for high-speed and dependable wireless communication systems has
led to the exploration of innovative multiple-access strategies. This paper presents a …