Cell-free massive MIMO: A survey

S Elhoushy, M Ibrahim… - … Surveys & Tutorials, 2021 - ieeexplore.ieee.org
Towards a fully connected intelligent digital world, 5G and beyond networks experience a
new era of Internet of intelligence with connected people and things. This new era brings …

Metasurface-aided wireless power transfer and energy harvesting for future wireless networks

H Ojukwu, BC Seet, SU Rehman - IEEE Access, 2022 - ieeexplore.ieee.org
The desire for battery longevity and ubiquitous wireless charging of mobile devices is driving
researchers to explore divergent strategies to extract and harness energy from ambient …

Wireless-powered cellular networks: Key challenges and solution techniques

H Tabassum, E Hossain, A Ogundipe… - IEEE Communications …, 2015 - ieeexplore.ieee.org
Energy harvesting from ambient sources is emerging as a sustainable and
environmentfriendly technique to prolong the lifetime of wireless devices. However …

Resource allocation for intelligent reflecting surface aided wireless powered mobile edge computing in OFDM systems

T Bai, C Pan, H Ren, Y Deng… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Wireless powered mobile edge computing (WP-MEC) has been recognized as a promising
technique to provide both enhanced computational capability and sustainable energy …

Energy efficiency of massive MIMO: Cell-free vs. cellular

H Yang, TL Marzetta - 2018 IEEE 87th vehicular technology …, 2018 - ieeexplore.ieee.org
Cell-free Massive MIMO (Multiple Input Multiple Output) employs a large number of AP's
(Access Points) that are distributed throughout the intended coverage area to …

Computation energy efficiency maximization for a NOMA-based WPT-MEC network

L Shi, Y Ye, X Chu, G Lu - IEEE Internet of Things Journal, 2021 - ieeexplore.ieee.org
Emerging smart Internet-of-Things (IoT) applications are increasingly relying on mobile-
edge computing (MEC) networks, where the energy efficiency (EE) of computation is one of …

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 …

Spectral efficiency analysis of hybrid relay-reflecting intelligent surface-assisted cell-free massive MIMO systems

NT Nguyen, VD Nguyen, H Van Nguyen… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
A cell-free (CF) massive multiple-input-multiple-output (mMIMO) system can provide uniform
spectral efficiency (SE) with simple signal processing. On the other hand, a recently …

Wireless powered communication: Opportunities and challenges

S Bi, CK Ho, R Zhang - IEEE Communications Magazine, 2015 - ieeexplore.ieee.org
The performance of wireless communication is fundamentally constrained by the limited
battery life of wireless devices, the operations of which are frequently disrupted due to the …

Channel estimation and low-complexity beamforming design for passive intelligent surface assisted MISO wireless energy transfer

D Mishra, H Johansson - ICASSP 2019-2019 IEEE …, 2019 - ieeexplore.ieee.org
Usage of passive intelligent surface (PIS) is emerging as a low-cost green alternative to
massive antenna systems for realizing high energy beamforming (EB) gains. To maximize its …