Non-orthogonal multiple access (NOMA) is envisioned as a promising technology that enhances the spectrum efficiency for future cellular networks. On the other hand. there is a growing interest in wireless powered sensor networks toward the sustainable realization of Internet of Things (IoT). as they may not require any battery replacement in principle. https://www.bekindtopets.com/mega-grab-SDS3113-High-Tea-Single-6-top-grab/