Reconfigurable-intelligent-surface empowered wireless communications: Challenges and opportunities

X Yuan, YJA Zhang, Y Shi, W Yan… - IEEE wireless …, 2021‏ - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) are regarded as a promising emerging hardware
technology to improve the spectrum and energy efficiency of wireless networks by artificially …

Deep learning methods for solving linear inverse problems: Research directions and paradigms

Y Bai, W Chen, J Chen, W Guo - Signal Processing, 2020‏ - Elsevier
The linear inverse problem is fundamental to the development of various scientific areas.
Innumerable attempts have been carried out to solve different variants of the linear inverse …

Channel estimation for movable antenna communication systems: A framework based on compressed sensing

Z **ao, S Cao, L Zhu, Y Liu, B Ning… - IEEE Transactions …, 2024‏ - ieeexplore.ieee.org
Movable antenna (MA) is a new technology with great potential to improve communication
performance by enabling local movement of antennas for pursuing better channel …

Matrix-calibration-based cascaded channel estimation for reconfigurable intelligent surface assisted multiuser MIMO

H Liu, X Yuan, YJA Zhang - IEEE Journal on Selected Areas in …, 2020‏ - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is envisioned to be an essential component of the
paradigm for beyond 5G networks as it can potentially provide similar or higher array gains …

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 …

Low-rank matrix completion: A contemporary survey

LT Nguyen, J Kim, B Shim - IEEE Access, 2019‏ - ieeexplore.ieee.org
As a paradigm to recover unknown entries of a matrix from partial observations, low-rank
matrix completion (LRMC) has generated a great deal of interest. Over the years, there have …

Pruning the pilots: Deep learning-based pilot design and channel estimation for MIMO-OFDM systems

MB Mashhadi, D Gündüz - IEEE Transactions on Wireless …, 2021‏ - ieeexplore.ieee.org
With the large number of antennas and subcarriers the overhead due to pilot transmission
for channel estimation can be prohibitive in wideband massive multiple-input multiple-output …

Deep learning for beamspace channel estimation in millimeter-wave massive MIMO systems

X Wei, C Hu, L Dai - IEEE Transactions on Communications, 2020‏ - ieeexplore.ieee.org
Millimeter-wave massive multiple-input multiple-output (MIMO) can use a lens antenna array
to considerably reduce the number of radio frequency (RF) chains, but channel estimation is …

Tensor decomposition-based channel estimation for hybrid mmWave massive MIMO in high-mobility scenarios

R Zhang, L Cheng, S Wang, Y Lou… - IEEE Transactions on …, 2022‏ - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) integrated with millimeter-wave (mmWave)
can provide unprecedented performance improvement for realizing future wireless …

Beam squint and channel estimation for wideband mmWave massive MIMO-OFDM systems

B Wang, M Jian, F Gao, GY Li… - IEEE transactions on …, 2019‏ - ieeexplore.ieee.org
With the increasing scale of antenna arrays in wideband millimeter-wave (mmWave)
communications, the physical propagation delays of electromagnetic waves traveling across …