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 extremely large-scale MIMO for 6G: Fundamentals, signal processing, and applications

Z Wang, J Zhang, H Du, D Niyato, S Cui… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Extremely large-scale multiple-input-multiple-output (XL-MIMO), which offers vast spatial
degrees of freedom, has emerged as a potentially pivotal enabling technology for the sixth …

Stacked intelligent metasurfaces for efficient holographic MIMO communications in 6G

J An, C Xu, DWK Ng… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
A revolutionary technology relying on Stacked Intelligent Metasurfaces (SIM) is capable of
carrying out advanced signal processing directly in the native electromagnetic (EM) wave …

MIMO capacity characterization for movable antenna systems

W Ma, L Zhu, R Zhang - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
In this paper, we propose a new multiple-input multiple-output (MIMO) communication
system with movable antennas (MAs) to exploit the antenna position optimization for …

Extremely large-scale MIMO: Fundamentals, challenges, solutions, and future directions

Z Wang, J Zhang, H Du, EI Wei, B Ai… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
Extremely large-scale multiple-input-multipleoutput (XL-MIMO) is a promising technology to
empower the next-generation communications. However, XL-MIMO, which is still in its early …

Reconfiguring wireless environments via intelligent surfaces for 6G: Reflection, modulation, and security

J Xu, C Yuen, C Huang, N Ul Hassan… - Science China …, 2023 - Springer
The reconfigurable intelligent surface (RIS) has been recognized as an essential enabling
technology for sixth-generation (6G) mobile communication networks. An RIS comprises a …

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 …

Active reconfigurable intelligent surface-assisted MISO integrated sensing and communication systems for secure operation

AA Salem, MH Ismail, AS Ibrahim - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Spectrum congestion has motivated the recent introduction of integrated sensing and
communication (ISAC) systems where radar and communications functionalities co-exist …

Tri-polarized holographic MIMO surfaces for near-field communications: Channel modeling and precoding design

L Wei, C Huang, GC Alexandropoulos… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This paper investigates the utilization of triple polarization (TP) for multi-user (MU) wireless
communication systems with holographic multiple-input multi-output surfaces (HMIMOSs) …

A tutorial on holographic MIMO communications—Part I: Channel modeling and channel estimation

J An, C Yuen, C Huang, M Debbah… - IEEE …, 2023 - ieeexplore.ieee.org
By integrating a nearly infinite number of reconfigurable elements into a finite space, a
spatially continuous array aperture is formed for holographic multiple-input multiple-output …