Spectral and energy-efficient wireless powered IoT networks: NOMA or TDMA?

Q Wu, W Chen, DWK Ng… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Wireless powered communication networks (WPCNs), where multiple energy-limited
devices first harvest energy in the downlink and then transmit information in the uplink, have …

Energy provision minimization in wireless powered communication networks with network throughput demand: TDMA or NOMA?

K Chi, Z Chen, K Zheng, Y Zhu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Recently, the newly emerging wireless powered communication network (WPCN) has drawn
significant interests, where the network nodes are powered by the energy harvested from the …

NOMA-based energy-efficient wireless powered communications

TA Zewde, MC Gursoy - IEEE Transactions on Green …, 2018 - ieeexplore.ieee.org
In this paper, we study the performance of non-orthogonal multiple access (NOMA) schemes
in wireless powered communication networks (WPCN) focusing on the system energy …

Throughput guarantees for multi-cell wireless powered communication networks with non-orthogonal multiple access

L Huang, R Nan, K Chi, Q Hua, K Yu… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The emerging non-orthogonal multiple access (NOMA) technology can effectively improve
the throughput performance of Internet of Things (IoT) devices. Besides throughput …

Exploiting benefits of IRS in wireless powered NOMA networks

X Li, Z Xie, Z Chu, VG Menon… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We consider an intelligent reflecting surface (IRS) wireless-powered NOMA Internet-of-
Things (IoT) network, where multiple NOMA IoT devices can communicate with access point …

IRS-assisted downlink and uplink NOMA in wireless powered communication networks

B Lyu, P Ramezani, DT Hoang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper studies the integration of the newly-emerged intelligent reflecting surface (IRS)
technology into non-orthogonal multiple access (NOMA)-based wireless powered …

Harvesting devices' heterogeneous energy profiles and QoS requirements in IoT: WPT-NOMA vs BAC-NOMA

Z Ding - IEEE Transactions on Communications, 2021 - ieeexplore.ieee.org
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 …

Resource allocation in wireless powered communication networks with non-orthogonal multiple access

H Chingoska, Z Hadzi-Velkov… - IEEE Wireless …, 2016 - ieeexplore.ieee.org
In this letter, we propose a non-orthogonal multiple access (NOMA) scheme for the uplink of
wireless powered communication networks (WPCNs). In order to tackle the doubly near-far …

IRS-assisted wireless powered NOMA: Do we really need different phase shifts in DL and UL?

Q Wu, X Zhou, R Schober - IEEE Wireless Communications …, 2021 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is a promising technology to improve the performance of
wireless powered communication networks (WPCNs) due to its capability to reconfigure …

Energy-efficient user scheduling and power allocation for NOMA-based wireless networks with massive IoT devices

D Zhai, R Zhang, L Cai, B Li… - IEEE Internet of Things …, 2018 - ieeexplore.ieee.org
Nonorthogonal multiple access (NOMA) exhibits superiority in spectrum efficiency and
device connections in comparison with the traditional orthogonal multiple access …