In this paper, we present the optimal power allocation and relay precoder design for a
cognitive relay network employing non-orthogonal multiple access (NOMA) technique. The …

The continued growth of the industrial Internet of Things (IoT) paves the way for the fifth
industrial revolution (Industry 5.0), which is expected to further enhance the wireless …

The integration of non-orthogonal multiple access (NOMA) in cognitive radio (CR) networks
has demonstrated how to enhance spectrum efficiency and achieve massive connectivity for …

Non-orthogonal multiple access (NOMA) has been recognized as a potential technique to
achieve higher spectral efficiency (SE) for future 5G systems. However, the anticipated …

To improve the throughput and the outage probability of the Cognitive Radio (CR) inspired
system, a novel Non-Orthogonal Multiple Access (NOMA) can be deployed to adapt multiple …

In this paper, we develop an optimization framework for the symbiotic operation of a
multiuser cognitive radio network (CRN) consisting of a non-orthogonal multiple access …

A novel opportunistic semantic and bit communication strategy is proposed for uplink non-
orthogonal multiple access (NOMA). Specifically, a secondary far user (F-user) employs …

In this paper, we develop a resource allocation framework to optimize the downlink
transmission of a backhaul-aware multi-cell cognitive radio network (CRN) which is enabled …

In this paper, we carry out the performance analysis of the simultaneously transmitting and
reflecting reconfigurable intelligent surface (STAR-RIS) in the hybrid automatic repeat …

The integration between orthogonal frequency division multiple access (OFDMA), non-
orthogonal multiple access (NOMA), and cognitive radio (CR) technology has been recently …