… only involves the passive beamforming on the RIS after some … In this letter, we consider a
downlink underlay CR-NOMA … problem to realize joint beamforming design at both the CBS and …

… Section III details our robust beamforming design in the context of our power minimization
problems under a pair of imperfect CSI error models. Robust beamforming design in EH …

… CR NOMA networks. In this paper, we investigate the physical layer security design for
cooperative CR NOMA … the secondary user by designing optimal beamformers and artificial noise …

… the near and far users are dependent on the beamforming design at the selected relay R.
Hence, in the sequel we adopt three beamforming designs described in the literature [35], [36], …

… multiple-access (MISO-NOMA) system under the Rayleigh fading … -based beamforming
scheme with MISO-NOMA to improve the … The analytical results demonstrate that our beamformer …

… In this section, an AN-aided beamforming design problem is formulated in MISO NOMA CRNs
using SWIPT under the perfect CSI. The CSI between the PBS and PUs as well as the CSI …

… makes the decoding order design and beamforming design highly coupled. … beamforming
design at both the BS and IRS to maximize the sum rate in downlink MISO IRS-aided NOMA …

… To this end, a non-convex joint optimization problem of relay beamforming and the transmit
… For comparisons, we also consider low complexity fixed beamformer design, where the …

… CONCLUSION In this work, we developed a novel beamforming design with the optimal …
a NOMA system. Specifically, we adopted two governing factors to determine the beamforming …

… -orthogonal multiple access (NOMA) downlink system for … beamforming design which
establishes on majorization minimization (MM) technique to find the optimal transmit beamforming …