Cognitive wireless powered network: Spectrum sharing models and throughput maximization

S Lee, R Zhang - IEEE Transactions on Cognitive …, 2015 - ieeexplore.ieee.org
The recent advance in radio-frequency (RF) wireless energy transfer (WET) has motivated
the study of wireless powered communication network (WPCN) in which distributed wireless …

Performance analysis and optimization for power beacon-assisted wireless powered cooperative NOMA systems

Y Zhang, S Feng, W Tang - IEEE Access, 2020 - ieeexplore.ieee.org
Wireless power transfer (WPT) is an effective way to prolong the lifetime of the energy-
constraint networks. In this paper, we investigate a wireless powered cooperative non …

Resource allocation for energy efficiency in OFDMA-enabled WPCN

TT Nguyen, QV Pham, VD Nguyen… - IEEE Wireless …, 2020 - ieeexplore.ieee.org
This letter considers a wireless powered communication network (WPCN), where an energy-
constrained device directly uses harvested energy from a power transfer source to transmit …

Non-orthogonal multiple access schemes in wireless powered communication networks

MA Abd-Elmagid, A Biason, T ElBatt… - 2017 IEEE …, 2017 - ieeexplore.ieee.org
We characterize time and power allocations to optimize the sum-throughput of a Wireless
Powered Communication Network (WPCN) with Non-Orthogonal Multiple Access (NOMA) …

On the performance of multi-antenna wireless-powered communications with energy beamforming

W Huang, H Chen, Y Li… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In this paper, we study the average throughput performance of energy beamforming in a
multi-antenna wireless-powered communication network (WPCN). The considered network …

On the deployment of energy sources in wireless-powered cellular networks

H Tabassum, E Hossain - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Wireless-powered cellular networks (WPCNs) are currently being investigated to ensure the
reliability as well as improved battery lifetime of wireless devices. A WPCN leverages on a …

Multiantenna wireless powered communication with cochannel energy and information transfer

Y Che, J Xu, L Duan, R Zhang - IEEE Communications letters, 2015 - ieeexplore.ieee.org
This letter studies a multiantenna wireless powered communication (WPC) system with
cochannel energy and information transfer, where a wireless device (WD), powered up by …

Optimal power and time allocation for WPCNs with piece-wise linear EH model

S Pejoski, Z Hadzi-Velkov… - IEEE Wireless …, 2017 - ieeexplore.ieee.org
We propose a novel transmission protocol for harvest-then-transmit wireless powered
communication networks, which takes into account the non-linearity of the energy harvesting …

Multi-antenna enabled cluster-based cooperation in wireless powered communication networks

L Yuan, S Bi, S Zhang, X Lin, H Wang - IEEE Access, 2017 - ieeexplore.ieee.org
In this paper, we consider a wireless powered communication network (WPCN) consisting of
a multi-antenna hybrid access point (HAP) that transfers wireless energy to and receives …

Wireless power meets energy harvesting: A joint energy allocation approach in OFDM-based system

X Zhou, CK Ho, R Zhang - IEEE Transactions on Wireless …, 2016 - ieeexplore.ieee.org
This paper investigates an orthogonal frequency division multiplexing (OFDM)-based
wireless powered communication system, where one user harvests energy from an energy …