To meet the demands of future generation wireless communications, Non-Orthogonal
Multiple Access (NOMA) and Cognitive Radio (CR) are emerging technologies. In exchange …

Future communications are developed with new communication standards for multi access
technologies, where spectrum sharing and Non-orthogonal multiple access (NOMA) are the …

With the exponential demand for frequency spectrum and the new generation of
communication systems (5G), efficient and less complex ways of using the spectrum are …

Spectral efficiency (SE) is crucial for wireless networks due to the scarcity of wireless
spectrum and the ever increasing demand for high data rates. A prominent solution for SE is …

Non-orthogonal multiple access (NOMA) is recognized as a competing technology to
address the challenges of 5th generation (5G) future wireless networks. In this context …

Presently, Non-Orthogonal Multiple Access (NOMA) frequently uses Successive Interference
Cancellation (SIC) with channel estimation to detect the receivers' signal successfully …

Cognitive radio-based non-orthogonal multiple access (CR-NOMA) is considered to be one
of the promising multiple accessing technique candidates for 5G and beyond networks …

The capacity and spectral efficiency of the Cognitive Radio Networks (CRNs) are to be
enhanced with Non-Orthogonal Multiple Access (NOMA) for Next-Generation (5G) …

In this paper, a cooperative spectrum sharing scheme is proposed for NOMA based
cognitive radio networks comprising of primary and secondary networks. The primary …

Abstract The Cognitive Radio (CR) network provides the solution to the spectrum deficiency
problem by enhancing the spectrum utilization. In recent years, Non-orthogonal multiple …