A survey on 5G radio access network energy efficiency: Massive MIMO, lean carrier design, sleep modes, and machine learning

D López-Pérez, A De Domenico… - … Surveys & Tutorials, 2022‏ - ieeexplore.ieee.org
Cellular networks have changed the world we are living in, and the fifth generation (5G) of
radio technology is expected to further revolutionise our everyday lives by enabling a high …

A study on multi-antenna and pertinent technologies with AI/ML approaches for B5G/6G networks

MUA Siddiqui, F Qamar, SHA Kazmi, R Hassan… - Electronics, 2022‏ - mdpi.com
The quantum leap in mobile data traffic and high density of wireless electronic devices,
coupled with the advancements in industrial radio monitoring and autonomous systems …

Quasi-distributed antenna selection for spectral efficiency maximization in subarray switching XL-MIMO systems

JHI de Souza, A Amiri, T Abrão… - IEEE Transactions …, 2021‏ - ieeexplore.ieee.org
In this paper, we consider the downlink (DL) of a zero-forcing (ZF) precoded extra-large
scale massive MIMO (XL-MIMO) system. The base-station (BS) operates with limited number …

Joint antenna selection and beamforming for massive MIMO-enabled over-the-air federated learning

S Asaad, H Tabassum, C Ouyang… - IEEE Transactions on …, 2024‏ - ieeexplore.ieee.org
Over-the-air federated learning (OTA-FL) is an emerging technique to reduce the
computation and communication overload caused by the orthogonal transmissions of the …

Antenna selection in massive MIMO based on greedy algorithms

MOK Mendonça, PSR Diniz… - IEEE Transactions on …, 2019‏ - ieeexplore.ieee.org
As wireless services proliferate, the demand for available spectrum also grows. As a result,
spectral efficiency is still an issue being addressed by many researchers aiming at …

Antenna selection strategy for energy efficiency maximization in uplink OFDMA networks: A multi-objective approach

A Khalili, MR Mili, M Rasti… - IEEE Transactions on …, 2019‏ - ieeexplore.ieee.org
This paper aims at investigating the problem of energy efficiency (EE) maximization for
uplink multi-cell networks via a joint design of sub-channel assignment, power control, and …

Antenna selection for asymmetrical uplink and downlink transceivers in massive MIMO systems

X Yang, S Ma, S ** - IEEE Transactions on Wireless …, 2023‏ - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) systems have suffered from extremely high
hardware complexity and cost because of the introduction of a tremendous number of …

Millimeter-wave massive MIMO systems relying on generalized sub-array-connected hybrid precoding

Y Chen, D Chen, T Jiang… - IEEE Transactions on …, 2019‏ - ieeexplore.ieee.org
In this paper, we consider a generalized sub-array-connected (GSAC) architecture for
arbitrary radio frequency (RF) chain and antenna configurations, where the number of RF …

Asymmetrical uplink and downlink transceivers in massive MIMO systems

X Yang, S **, GY Li, X Li - IEEE Transactions on Vehicular …, 2021‏ - ieeexplore.ieee.org
Even if massive multiple-input multiple-output (MIMO) can theoretically bring huge benefits,
it incurs substantial hardware complexity and expensive hardware costs. To address these …

Impacts of antenna downtilt and backhaul connectivity on the UAV-enabled heterogeneous networks

X Zhang, M Peng, C Liu - IEEE Transactions on Wireless …, 2022‏ - ieeexplore.ieee.org
The performance of unmanned aerial vehicle (UAV)-enabled networks is generally
bottlenecked by severe inter-cell interference and limited backhaul connectivity. Against this …