Channel estimation techniques for millimeter-wave communication systems: Achievements and challenges

K Hassan, M Masarra, M Zwingelstein… - IEEE Open Journal of …, 2020 - ieeexplore.ieee.org
The fifth-generation (5G) of cellular networks and beyond requires massive connectivity,
high data rates, and low latency. Millimeter-wave (mmWave) communications is a key 5G …

Application of reinforcement learning and deep learning in multiple-input and multiple-output (MIMO) systems

M Naeem, G De Pietro, A Coronato - Sensors, 2021 - mdpi.com
The current wireless communication infrastructure has to face exponential development in
mobile traffic size, which demands high data rate, reliability, and low latency. MIMO systems …

Cell-free massive MIMO for 6G wireless communication networks

H He, X Yu, J Zhang, S Song… - … of Communications and …, 2021 - ieeexplore.ieee.org
The recently commercialized fifth-generation (5G) wireless networks have achieved many
improvements, including air interface enhancement, spectrum expansion, and network …

Hybrid beamforming for 5G and beyond millimeter-wave systems: A holistic view

J Zhang, X Yu, KB Letaief - IEEE Open Journal of the …, 2019 - ieeexplore.ieee.org
Millimeter-wave (mm-wave) communication is a key technology for future wireless networks.
To combat significant path loss and exploit the abundant mm-wave spectrum, effective …

A survey of millimeter-wave communication: Physical-layer technology specifications and enabling transmission technologies

S He, Y Zhang, J Wang, J Zhang, J Ren… - Proceedings of the …, 2021 - ieeexplore.ieee.org
Millimeter-wave (mmWave) frequency bands, which offer abundant underutilized spectral
resources, have been explored and exploited in the past several years to meet the …

Hardware-constrained millimeter-wave systems for 5G: Challenges, opportunities, and solutions

X Yang, M Matthaiou, J Yang, CK Wen… - IEEE …, 2019 - ieeexplore.ieee.org
Although mmWave systems promise to offer larger bandwidth and unprecedented peak data
rates, their practical implementation faces several hardware challenges compared to sub-6 …

Cell-free massive MIMO systems with low resolution ADCs

X Hu, C Zhong, X Chen, W Xu, H Lin… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper investigates the achievable performance of cell-free massive multiple-input
multiple-output (MIMO) systems with low resolution analog-to-digital converters (ADCs) at …

MIMO detection for reconfigurable intelligent surface-assisted millimeter wave systems

X Yang, CK Wen, S Jin - IEEE Journal on Selected Areas in …, 2020 - ieeexplore.ieee.org
Millimeter wave (mmWave) band, or high frequencies such as THz, has large undeveloped
band of spectrum. However, wireless channels over the mmWave band usually have one or …

Low-resolution ADCs for wireless communication: A comprehensive survey

J Liu, Z Luo, X Xiong - IEEE Access, 2019 - ieeexplore.ieee.org
With the rapid growth of wireless data traffic and antennas configuration, higher spectrum
efficiency and lower power consumption processing have evoked remarkable attention from …

Expectation propagation detector for extra-large scale massive MIMO

H Wang, A Kosasih, CK Wen, S Jin… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The order-of-magnitude increase in the dimension of antenna arrays, which forms extra-
large-scale massive multiple-input-multiple-output (MIMO) systems, enables substantial …