Massive MIMO systems for 5G and beyond networks—overview, recent trends, challenges, and future research direction

R Chataut, R Akl - Sensors, 2020 - mdpi.com
The global bandwidth shortage in the wireless communication sector has motivated the
study and exploration of wireless access technology known as massive Multiple-Input …

Cellular, wide-area, and non-terrestrial IoT: A survey on 5G advances and the road toward 6G

M Vaezi, A Azari, SR Khosravirad… - … Surveys & Tutorials, 2022 - ieeexplore.ieee.org
The next wave of wireless technologies is proliferating in connecting things among
themselves as well as to humans. In the era of the Internet of Things (IoT), billions of …

Massive access for 5G and beyond

X Chen, DWK Ng, W Yu, EG Larsson… - IEEE Journal on …, 2020 - ieeexplore.ieee.org
Massive access, also known as massive connectivity or massive machine-type
communication (mMTC), is one of the main use cases of the fifth-generation (5G) and …

Massive access for future wireless communication systems

Y Wu, X Gao, S Zhou, W Yang… - IEEE Wireless …, 2020 - ieeexplore.ieee.org
Multiple access technology played an important role in wireless communication in the last
decades: it increases the capacity of the channel and allows different users to access the …

LEO satellite constellations for 5G and beyond: How will they reshape vertical domains?

S Liu, Z Gao, Y Wu, DWK Ng, X Gao… - IEEE …, 2021 - ieeexplore.ieee.org
The rapid development of communication technologies in the past decades has provided
immense vertical opportunities for individuals and enterprises. However, conventional …

Dilated convolution based CSI feedback compression for massive MIMO systems

S Tang, J Xia, L Fan, X Lei, W Xu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Although the frequency-division duplex (FDD) massive multiple-input multiple-output (MIMO)
system can offer high spectral and energy efficiency, it requires to feedback the downlink …

Massive access in cell-free massive MIMO-based Internet of Things: Cloud computing and edge computing paradigms

M Ke, Z Gao, Y Wu, X Gao… - IEEE Journal on Selected …, 2020 - ieeexplore.ieee.org
This article studies massive access in cell-free massive multi-input multi-output (MIMO)-
based Internet of Things and solves the challenging active user detection (AUD) and …

GMD-based hybrid beamforming for large reconfigurable intelligent surface assisted millimeter-wave massive MIMO

K Ying, Z Gao, S Lyu, Y Wu, H Wang, MS Alouini - IEEE Access, 2020 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is considered to be an energy-efficient approach to
reshape the wireless environment for improved throughput. Its passive feature greatly …

Model-driven deep learning based channel estimation and feedback for millimeter-wave massive hybrid MIMO systems

X Ma, Z Gao, F Gao, M Di Renzo - IEEE Journal on Selected …, 2021 - ieeexplore.ieee.org
This paper proposes a model-driven deep learning (MDDL)-based channel estimation and
feedback scheme for wideband millimeter-wave (mmWave) massive hybrid multiple-input …

Data-driven deep learning to design pilot and channel estimator for massive MIMO

X Ma, Z Gao - IEEE Transactions on Vehicular Technology, 2020 - ieeexplore.ieee.org
In this paper, we propose a data-driven deep learning (DL) approach to jointly design the
pilot signals and channel estimator for wideband massive multiple-input multiple-output …