Deep Learning-Enabled Energy-Efficient Joint CSI Estimation and Phase Shift Prediction in Large-Scale RIS-Assisted NOMA Systems
In large-scale reconfigurable intelligent surface (RIS)-assisted non-orthogonal multiple access (NOMA) systems, achieving energy-efficient communication while obtaining full channel state information (CSI) is challenging due to prohibitive pilot overhead. The joint CSI estimation and RIS phase shift prediction pose a t...