In this paper, we investigate a downlink cooperative non-orthogonal multiple access
(NOMA) network with decode-and-forward relaying, where two scenarios of user relaying …

In this paper, we analyze the performance of an underlay downlink non-orthogonal multiple
access (NOMA) network with multiple near and far-users. Different from cognitive radio (CR) …

As a revolutionary technology, reconfigurable intelligent surface (RIS) is favored by
numerous industrialists and engineers, which can intelligently adjust the wireless …

Non-orthogonal multiple access (NOMA) and cognitive radio (CR) are two promising
technologies that provide efficient spectrum utilization, which is required for future wireless …

This paper investigates the joint relay and antenna selection strategy for amplify-and-
forward (AF) cognitive radio-inspired non-orthogonal multiple access (CR-NOMA) systems …

This paper proposes a hybrid spectrum accessing mechanism by using NOMA-based
cooperative transmission and beam-forming technology. In this mechanism, the secondary …

In this paper, we investigate the effectiveness of an overlay cognitive radio (OCR) coupled
with non-orthogonal multiple access (NOMA) system using a full-duplex (FD) cooperative …

Cooperative non-orthogonal multiple access (CNOMA) is considered as a promising
technique to improve network coverage, reliability and transmission for future wireless …

The performance of an underlay coordinated direct and relay transmission (CDRT) based
non-orthogonal multiple access (NOMA) network is limited by the random nature of the …

Due to the shortage of spectrum resources, a nonorthogonal multiple access‐(NOMA‐)
based overlay cognitive integrated satellite‐terrestrial relay network is established in this …