Enhancing data rate and energy efficiency of NOMA systems using reconfigurable intelligent surfaces for millimeter-wave communications

XN Pham, BC Nguyen, TD Thi, N Van Vinh… - Digital Signal …, 2024 - Elsevier
In this article, we employ reconfigurable intelligent surface (RIS) to aid a non-orthogonal
multiple access (NOMA) system utilizing millimeter-wave (mmWave) communications …

Performance Prediction of Power Beacon-Aided Wireless Sensor-Powered Non-Orthogonal Multiple-Access Internet-of-Things Networks under Imperfect Channel …

NL Nguyen, AT Le, PLT Nguyen, BV Minh, L Rejfek… - Applied Sciences, 2024 - mdpi.com
In this paper, we investigate a novel power beacon (PB)-aided wireless sensor-powered
non-orthogonal multiple-access (NOMA) Internet-of-Things (IoT) network under imperfect …