In this paper, we investigate the energy efficiency of a multi-user downlink non-orthogonal
multiple access (NOMA) system aided by an ambient backscatter device that modulates its …

High-efficiency utilization of resources has always been the major concern and design
objective in the Internet of Things (IoT). In this paper, an orthogonal frequency division …

In this article, we investigate power beacon (PB)-assisted wireless-powered nonorthogonal
multiple access (NOMA) Internet-of-Things (IoT)-based systems, where all transmitters …

Combination of unmanned aerial vehicle (UAV) and non-orthogonal multiple access
(NOMA) is deemed as an promising solution to achieving massive connectivity in future …

The next generation Internet of Things (IoT) exhibits a unique feature that IoT devices have
different energy profiles and quality of service (QoS) requirements. In this paper, two energy …

Secure and fair transmission is essential for wireless-powered backscatter communication
networks (WPBCNs), which has not been taken seriously enough by the existing works. In …

This paper studies the application of simultaneous wireless information and power transfer
(SWIPT) to downlink non-orthogonal multiple access (NOMA) system. A novel cooperative …

This paper proposes a novel network framework of intelligent reflecting surface (IRS)-
assisted simultaneous wireless information and power transfer (SWIPT) non-orthogonal …

We characterize time and power allocations to optimize the sum-throughput of a Wireless
Powered Communication Network (WPCN) with Non-Orthogonal Multiple Access (NOMA) …

Cooperative non-orthogonal multiple access (C-NOMA) is one of the promising techniques
that support the massive connectivity of users and improve the fair allocation of network …