… Abstract—In this paper, a underlay cognitive radio inspired nonorthogonal multiple access
(CR-NOMA) network assisted by the reconfigurable intelligent surface (RIS) technique is …

… [28] studied NOMA in large-scale underlying CR networks with randomly deployed users
and they pointed out at an important future direction to optimize the power allocation. More over…

… gain of NOMA over … design of intelligent NOMA since the use of an RIS ensures that the
propagation environment can be effectively and intelligently customized for the needs of NOMA. …

… performance of an IRS-assisted CR-NOMA (IRS-CR-NOMA) system. The transmissions from
… Zhang, “Towards smart and reconfigurable environment: Intelligent reflecting surface aided …

… Motivated by the promising combination of CR, NOMA and RIS, in this paper we aim to
provide a comprehensive analysis of the OP, throughput, and EC of RIS-aided cognitive NOMA …

… , hardware and energy cost the reconfigurable intelligent surface (RIS) leads to special …
HD for relayaided CR-NOMA networks. Reference [28] designed a CRNOMA model and an SE …

… Recently, combining CR and NOMA along with backscatter … networking technologies,
reconfigurable intelligent surfaces (RISs) … An RIS device consists of multiple reconfigurable …

… Inspired by this, a nonorthogonal multiple access (NOMA) assisted cognitive radio (CR) IoT
… simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) into …

… For the case of a two-user STAR-RIS-assisted NOMA system, one user is located in Ct and
the other user is located in Cr. Since, in this case, there is no subsurface interference, we skip …

… assistance of the reconfigurable intelligence surface (RIS), … non-orthogonal multiple access
(NOMA) scheme is employed. We … of RIS; 2) NOMA scheme outperforms orthogonal multiple …