Performance analysis of cell-free massive MIMO system with limited fronthaul capacity and hardware impairments

H Masoumi, MJ Emadi - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
We study uplink of cell-free massive multiple-input multiple-output system with limited
capacity fronthaul link connecting each access point (AP) to a central processing unit (CPU) …

Channel estimation in massive MIMO under hardware non-linearities: Bayesian methods versus deep learning

ÖT Demir, E Björnson - IEEE Open Journal of the …, 2019 - ieeexplore.ieee.org
This paper considers the joint impact of non-linear hardware impairments at the base station
(BS) and user equipments (UEs) on the uplink performance of single-cell massive MIMO …

Phase-noise compensation for OFDM systems exploiting coherence bandwidth: Modeling, algorithms, and analysis

M Chung, L Liu, O Edfors - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
Phase-noise (PN) estimation and compensation are crucial in millimeter-wave (mmWave)
communication systems to achieve high reliability. The PN estimation, however, suffers from …

Theoretical analysis of nonlinear amplification effects in massive MIMO systems

S Teodoro, A Silva, R Dinis, FM Barradas… - IEEE …, 2019 - ieeexplore.ieee.org
To fulfill 5th Generation (5G) communication capacity demands, the use of a large number of
antennas has been widely investigated, and the array gain and spatial multiplexing that are …

Distortion-aware linear precoding for massive MIMO downlink systems with nonlinear power amplifiers

SR Aghdam, S Jacobsson, U Gustavsson… - arXiv preprint arXiv …, 2020 - arxiv.org
We introduce a framework for linear precoder design over a massive multiple-input multiple-
output downlink system in the presence of nonlinear power amplifiers (PAs). By studying the …

Performance analysis of quantized uplink massive MIMO-OFDM with oversampling under adjacent channel interference

AB Üçüncü, E Björnson, H Johansson… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) systems have attracted much attention lately
due to the many advantages they provide over single-antenna systems. Owing to the many …

Blind federated learning at the wireless edge with low-resolution ADC and DAC

B Tegin, TM Duman - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
We study collaborative machine learning systems where a massive dataset is distributed
across independent workers which compute their local gradient estimates based on their …

Distortion-aware linear precoding for millimeter-wave multiuser MISO downlink

SR Aghdam, S Jacobsson… - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
In this work, we propose an iterative scheme for computing a linear precoder that takes into
account the impact of hardware impairments in the multiuser multiple-input singleoutput …

Low-complexity blind parameter estimation in wireless systems with noisy sparse signals

A Gallyas-Sanhueza, C Studer - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Baseband processing algorithms often require knowledge of the noise power, signal power,
or signal-to-noise ratio (SNR). In practice, these parameters are typically unknown and must …

A design framework for all-digital mmWave massive MIMO with per-antenna nonlinearities

M Abdelghany, AA Farid, ME Rasekh… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Millimeter wave MIMO combines the benefits of compact antenna arrays with a large number
of elements and massive bandwidths, so that fully digital beamforming has the potential of …