Holographic MIMO communications: Theoretical foundations, enabling technologies, and future directions

T Gong, P Gavriilidis, R Ji, C Huang… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Future wireless systems are envisioned to create an endogenously holography-capable,
intelligent, and programmable radio propagation environment, that will offer unprecedented …

A tutorial on near-field XL-MIMO communications towards 6G

H Lu, Y Zeng, C You, Y Han, J Zhang… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for
the sixth-generation (6G) mobile communication networks. By significantly boosting the …

Intelligent surfaces empowered wireless network: Recent advances and the road to 6G

Q Wu, B Zheng, C You, L Zhu, K Shen… - Proceedings of the …, 2024 - ieeexplore.ieee.org
Intelligent surfaces (ISs) have emerged as a key technology to empower a wide range of
appealing applications for wireless networks, due to their low cost, high energy efficiency …

Hybrid near-far field channel estimation for holographic MIMO communications

S Yue, S Zeng, L Liu, YC Eldar… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Holographic MIMO communications, enabled by large-scale antenna arrays with quasi-
continuous apertures, are potential technology for spectrum efficiency improvement …

Successive Bayesian reconstructor for channel estimation in fluid antenna systems

Z Zhang, J Zhu, L Dai, RW Heath - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Fluid antenna systems (FASs) can reconfigure their antenna locations freely within a
spatially continuous space. To keep favorable antenna positions, the channel state …

Frequency selective surface towards 6G communication systems: A contemporary survey

X Chen, J Tan, L Kang, F Tang… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Frequency selective surfaces (FSSs) have attracted extensive attention for suppressing
interference and improving channel quality and coverage by selectively transmitting or …

Stacked intelligent metasurfaces for multiuser downlink beamforming in the wave domain

J An, M Di Renzo, M Debbah, HV Poor… - arXiv preprint arXiv …, 2023 - arxiv.org
Intelligent metasurface has recently emerged as a promising technology that enables the
customization of wireless environments by harnessing large numbers of inexpensive …

Two-dimensional direction-of-arrival estimation using stacked intelligent metasurfaces

J An, C Yuen, YL Guan, M Di Renzo… - IEEE Journal on …, 2024 - ieeexplore.ieee.org
Stacked intelligent metasurfaces (SIMs) are capable of emulating reconfigurable physical
neural networks by utilizing electromagnetic (EM) waves as carriers. They can also perform …

On the spectral efficiency of multi-user holographic MIMO uplink transmission

M Qian, L You, XG Xia, X Gao - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
With antenna spacing much less than half a wavelength in confined space, holographic
multiple-input multiple-output (HMIMO) technology presents a promising frontier in next …

Holographic imaging with XL-MIMO and RIS: Illumination and reflection design

G Torcolacci, A Guerra, H Zhang, F Guidi… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
This paper addresses a near-field imaging problem utilizing extremely large-scale multiple-
input multiple-output (XL-MIMO) antennas and reconfigurable intelligent surfaces (RISs) …