Massive MIMO for fifth generation (5G): Opportunities and challenges

NHM Adnan, IM Rafiqul… - … Conference on Computer …, 2016 - ieeexplore.ieee.org
MIMO is a technology that utilizes multiple antennas at transmitter/receiver to improve the
throughput, capacity and coverage of wireless system. Massive MIMO where Base Station is …

Electromagnetic effective degree of freedom of an MIMO system in free space

SSA Yuan, Z He, X Chen, C Huang… - IEEE Antennas and …, 2021 - ieeexplore.ieee.org
Effective degree of freedom (EDOF) of a multiple-input–multiple-output (MIMO) system
represents its equivalent number of independent single-input–single-output (SISO) systems …

Extremely large aperture array (ELAA) communications: Foundations, research advances and challenges

S Ye, M **ao, MW Kwan, Z Ma, Y Huang… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
Extremely large aperture array (ELAA) represents a paradigm shift in wireless antenna
systems, poised to redefine the capabilities of future networks, particularly in the era of the …

Massive MIMO 1-bit DAC transmission: A low-complexity symbol scaling approach

A Li, C Masouros, F Liu… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
We study multi-user massive multiple-input single-output systems and focus on downlink
transmission for PSK modulation, where the base station employs a large antenna array with …

Effects of mutual coupling on degree of freedom and antenna efficiency in holographic MIMO communications

SSA Yuan, X Chen, C Huang… - IEEE open journal of …, 2023 - ieeexplore.ieee.org
The holographic multiple-input-multiple-output (MIMO) communications refer to the MIMO
systems built with ultra-dense antenna arrays, whose channel models and potential …

Extreme learning machine-based channel estimation in IRS-assisted multi-user ISAC system

Y Liu, I Al-Nahhal, OA Dobre, F Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Multi-user integrated sensing and communication (ISAC) assisted by intelligent reflecting
surface (IRS) has been recently investigated to provide a high spectral and energy efficiency …

Mutual coupling reduction using meta-structures for wideband, dual-polarized, and high-density patch arrays

MC Tang, Z Chen, H Wang, M Li, B Luo… - … on Antennas and …, 2017 - ieeexplore.ieee.org
A mutual coupling reduction strategy that employs meta-structures is introduced for
wideband, dual-polarized, high-density, planar, and patch antenna arrays. The meta …

Multiuser massive MIMO-OFDM for visible light communication systems

MJ Zakavi, SA Nezamalhosseini, LR Chen - IEEE Access, 2023 - ieeexplore.ieee.org
Visible light communication (VLC) has emerged as a viable supplement to existing radio
frequency (RF) communication systems. The limited modulation bandwidth of sources is one …

Improvement of diversity and capacity of MIMO system using scatterer array

Y Wang, X Chen, X Liu, J Yi, J Chen… - … on Antennas and …, 2021 - ieeexplore.ieee.org
A method of improving the diversity and capacity of multiple-input-multiple-output (MIMO)
systems in nonisotropic multipath environments by loading a scatterer array is proposed …

Hybrid precoding and combining design for millimeter-wave multi-user MIMO based on SVD

A Li, C Masouros - 2017 IEEE International Conference on …, 2017 - ieeexplore.ieee.org
In this paper, we focus on the millimeter-wave multi-user multiple-input-multiple-output
(mmWave MU-MIMO) systems and propose a low-complexity hybrid precoding and …