An overview of enhanced massive MIMO with array signal processing techniques

M Wang, F Gao, S Jin, H Lin - IEEE Journal of Selected Topics …, 2019 - ieeexplore.ieee.org
In the past ten years, there have been tremendous research progresses on massive MIMO
systems, most of which stand from the communications viewpoint. A new trend to investigate …

Hybrid evolutionary-based sparse channel estimation for IRS-assisted mmWave MIMO systems

Z Chen, J Tang, XY Zhang, DKC So… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The intelligent reflecting surface (IRS)-assisted millimeter wave (mmWave) communication
system has emerged as a promising technology for coverage extension and capacity …

Terahertz-band joint ultra-massive MIMO radar-communications: Model-based and model-free hybrid beamforming

AM Elbir, KV Mishra… - IEEE Journal of Selected …, 2021 - ieeexplore.ieee.org
Wireless communications and sensing at terahertz (THz) band are increasingly investigated
as promising short-range technologies because of the availability of high operational …

Channel training-aided target sensing for terahertz integrated sensing and massive MIMO communications

R Zhang, X Wu, Y Lou, FG Yan, Z Zhou… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
Integrated sensing and massive multiple-input multiple-output (MIMO) communication
(mMIMO-ISAC) at THz bands can provide vast spatial degrees of freedom and abundant …

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 …

Terahertz ultra-massive MIMO-based aeronautical communications in space-air-ground integrated networks

A Liao, Z Gao, D Wang, H Wang, H Yin… - IEEE Journal on …, 2021 - ieeexplore.ieee.org
The emerging space-air-ground integrated network has attracted intensive research and
necessitates reliable and efficient aeronautical communications. This paper investigates …

Integrated sensing and communication with massive MIMO: A unified tensor approach for channel and target parameter estimation

R Zhang, L Cheng, S Wang, Y Lou… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Benefitting from the vast spatial degrees of freedom, the amalgamation of integrated sensing
and communication (ISAC) and massive multiple-input multiple-output (MIMO) is expected to …

Terahertz-band channel and beam split estimation via array perturbation model

AM Elbir, W Shi, AK Papazafeiropoulos… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
For the demonstration of ultra-wideband bandwidth and pencil-beamforming, the terahertz
(THz)-band has been envisioned as one of the key enabling technologies for the sixth …

Channel estimation for massive MIMO: An information geometry approach

J Yang, AA Lu, Y Chen, X Gao, XG Xia… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, we investigate the channel estimation for massive multi-input multi-output
orthogonal frequency division multiplexing (MIMO-OFDM) systems. Using the sampled …

FusionNet: Enhanced beam prediction for mmWave communications using sub-6 GHz channel and a few pilots

F Gao, B Lin, C Bian, T Zhou, J Qian… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In order to reduce the downlink training overhead of mmWave communications, we propose
a novel downlink beamforming strategy using the uplink sub-6GHz channel and downlink …