Wireless energy transfer in RIS-aided cell-free massive MIMO systems: Opportunities and challenges

E Shi, J Zhang, S Chen, J Zheng… - IEEE …, 2022 - ieeexplore.ieee.org
In future 6G mobile networks, the Internet-of-Everything (IoE) is expected to provide
extremely massive connectivity for small battery-powered devices. Indeed, massive devices …

Wirelessly powered cell-free IoT: Analysis and optimization

X Wang, A Ashikhmin, X Wang - IEEE Internet of Things Journal, 2020 - ieeexplore.ieee.org
In this article, we propose a wirelessly powered Internet-of-Things (IoT) system based on the
cell-free massive MIMO technology. In such a system, during the downlink phase, the …

Throughput optimization for massive MIMO systems powered by wireless energy transfer

G Yang, CK Ho, R Zhang… - IEEE Journal on Selected …, 2015 - ieeexplore.ieee.org
This paper studies a wireless-energy-transfer (WET) enabled massive multiple-input-
multiple-output (MIMO) system (MM) consisting of a hybrid data-and-energy access point (H …

Optimization of power transfer efficiency and energy efficiency for wireless-powered systems with massive MIMO

TA Khan, A Yazdan, RW Heath - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Massive MIMO is attractive for wireless information and energy transfer due to its ability to
focus energy toward desired spatial locations. In this paper, the overall power transfer …

Joint wireless information and energy transfer in massive distributed antenna systems

F Yuan, S Jin, Y Huang, KK Wong… - IEEE communications …, 2015 - ieeexplore.ieee.org
In mobile communications, two potentially ground-breaking ideas have emerged in recent
years: massive MIMO antenna technology, which delivers enormous information rates, and …

Beyond cell-free MIMO: Energy efficient reconfigurable intelligent surface aided cell-free MIMO communications

Y Zhang, B Di, H Zhang, J Lin, C Xu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Cell-free systems can effectively eliminate the inter-cell interference by enabling multiple
base stations (BSs) to cooperatively serve users without cell boundaries at the expense of …

Cell-free IoT networks with SWIPT: Performance analysis and power control

Y Zhang, W Xia, H Zhao, W Xu… - IEEE Internet of …, 2022 - ieeexplore.ieee.org
In this article, the performance of simultaneous wireless information and power transfer
(SWIPT) in downlink (DL) Internet of Things (IoT) networks relying on the cell-free massive …

Massive wireless energy transfer: Enabling sustainable IoT toward 6G era

OLA López, H Alves, RD Souza… - IEEE Internet of …, 2021 - ieeexplore.ieee.org
Recent advances on wireless energy transfer (WET) make it a promising solution for
powering future Internet-of-Things (IoT) devices enabled by the upcoming sixth-generation …

Wireless powered IoE for 6G: Massive access meets scalable cell-free massive MIMO

S Chen, J Zhang, Y Jin, B Ai - China Communications, 2020 - ieeexplore.ieee.org
A key challenge to the scalable deployment of the energy self-sustainability (ESS) Internet of
Everything (IoE) for sixth-generation (6G) networks is juggling massive connectivity and high …

Energy-efficient resource allocation for wireless powered massive MIMO system with imperfect CSI

Z Chang, Z Wang, X Guo, Z Han… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, we propose an energy-efficient resource allocation scheme for a wireless
power transfer (WPT) enabled multi-user massive multiple-input multiple-output system with …