Outage-constrained energy efficiency maximization for RIS-assisted WPCNs

Z Gao, Y Xu, Q Wang, Q Wu, D Li - IEEE communications letters, 2021 - ieeexplore.ieee.org
In this letter, we investigate robust resource allocation for reconfigurable intelligent surface
(RIS)-assisted wireless-powered communication networks, where the RIS assists energy …

Resource allocation for IRS-assisted wireless powered communication networks

H Cao, Z Li, W Chen - IEEE Wireless Communications Letters, 2021 - ieeexplore.ieee.org
This letter studies a multi-user intelligent reflecting surface (IRS)-assisted wireless powered
communication networks (WPCN) system. Specifically, a multi-antenna energy station (ES) …

RIS-enhanced WPCNs: Joint radio resource allocation and passive beamforming optimization

Y Xu, Z Gao, Z Wang, C Huang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Wireless-powered communication and reconfigurable intelligent surface (RIS) can
complement each other for increasing energy utilization and spectrum efficiency by …

Optimal transmission strategy and time allocation for RIS-enhanced partially WPSNs

H Liu, Y Zhang, S Gong, W Shen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Wireless powered sensor networks (WPSNs) have evolved as a promising paradigm for
energy-efficient communications. Recently, the proliferation of reconfigurable intelligent …

Robust beamforming design and time allocation for IRS-assisted wireless powered communication networks

Z Li, W Chen, Q Wu, H Cao, K Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, a novel intelligent reflecting surface (IRS)-assisted wireless powered
communication network (WPCN) architecture is proposed for power-constrained Internet-of …

Energy minimization for IRS-aided WPCNs with non-linear energy harvesting model

P Zeng, Q Wu, D Qiao - IEEE Wireless Communications Letters, 2021 - ieeexplore.ieee.org
This letter considers an intelligent reflecting surface (IRS)-aided wireless powered
communication network (WPCN), where devices first harvest energy from a power station …

Optimized energy and information relaying in self-sustainable IRS-empowered WPCN

B Lyu, P Ramezani, DT Hoang, S Gong… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
This paper proposes a hybrid-relaying scheme empowered by a self-sustainable intelligent
reflecting surface (IRS) in a wireless powered communication network (WPCN), to …

Applying RIS in multi-user SWIPT-WPCN systems: a robust and environmentally-friendly design

Y Xu, B Gu, Z Gao, D Li, Q Wu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Integrating simultaneous wireless information and power transfer (SWIPT) and wireless-
powered communication network (WPCN) has been regarded as one of the energy-efficient …

Energy-efficient scheduling for active RIS-assisted self-sustainable wireless powered IoT networks in smart societies

S Mao, L Liu, C Shao - Sustainable Cities and Society, 2023 - Elsevier
Integrating wireless powered communication networks (WPCNs) into low-power internet of
things (IoT) is a promising technique to achieve sustainable cities and society. However, the …

Energy efficiency maximization in RIS-assisted SWIPT networks with RSMA: A PPO-based approach

R Zhang, K Xiong, Y Lu, P Fan… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
This paper investigates reconfigurable intelligent surface (RIS)-assisted simultaneous
wireless information and power transfer (SWIPT) networks with rate splitting multiple access …