Cooperative communication combining non-orthogonal multiple access (NOMA) and
cognitive radio is a rapidly growing technique for wireless networks and beyond 5G Still …

Cooperative communication that integrates cognitive radio and non-orthogonal multiple
access is recognized as an emerging technology for fifth-generation and beyond wireless …

A non-orthogonal multiple access (NOMA) scheme as a promising strategy for future
wireless communication networks is proposed in a multi-cell scenario, in which the presence …

In this paper, we propose a geometric approach for optimal power control and relay
selection in NOMA wireless relay networks. First, for each pair of relays, to derive an optimal …

In this paper, we investigate the joint resource allocation for the non-orthogonal multiple
access (NOMA)-enhanced relaying networks involving the subcarrier pair, subcarrier-user …

Unlike conventional cooperative networks, diamond relaying networks can provide higher
achievable data rates. In a non-orthogonal multiple access (NOMA) based diamond relaying …

In this paper, we propose a novel approach of optimal power allocation and signal phase
selection for NOMA wireless relay networks. Specifically, to optimize the network throughput …

Non-Orthogonal Multiple Access (NOMA) aided Cognitive Radio (CR) communication has
been investigated as one of the primary candidates to fulfill the huge spectrum requirements …

In this paper, we investigate the problem of joint power allocation and collaborative
beamforming for physical layer security in underlay cognitive radio non-orthogonal multiple …

In cooperative cognitive radio networks (CCRNs), there has been growing demand of
transmitting secondary user (SU) source information secretly to the corresponding SU …