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 …

Intelligent omni-surfaces: Simultaneous refraction and reflection for full-dimensional wireless communications

H Zhang, B Di - IEEE Communications Surveys & Tutorials, 2022 - ieeexplore.ieee.org
The development of metasurfaces has unlocked various use cases in wireless
communication networks to improve performance by manipulating the propagation …

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 …

Reconfigurable intelligent surfaces for 6G: Emerging hardware architectures, applications, and open challenges

E Basar, GC Alexandropoulos, Y Liu… - IEEE Vehicular …, 2024 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) are rapidly gaining prominence in the realm of 5G-
advanced and predominantly 6G mobile networks, offering a revolutionary approach to …

Multi-user holographic MIMO surfaces: Channel modeling and spectral efficiency analysis

L Wei, C Huang, GC Alexandropoulos… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
The multi-user Holographic Multiple-Input and Multiple-Output Surface (MU-HMIMOS)
paradigm, which is capable of realizing large continuous apertures with minimal power …

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 …

Pervasive machine learning for smart radio environments enabled by reconfigurable intelligent surfaces

GC Alexandropoulos, K Stylianopoulos… - Proceedings of the …, 2022 - ieeexplore.ieee.org
The emerging technology of reconfigurable intelligent surfaces (RISs) is provisioned as an
enabler of smart wireless environments, offering a highly scalable, low-cost, hardware …

Active reconfigurable intelligent surfaces: Expanding the frontiers of wireless communication-a survey

M Ahmed, S Raza, AA Soofi, F Khan… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
The swift progress of metasurface technology, enabling meticulous manipulation of the
propagation environment, is anticipated to bring a transformative impact on sixth-generation …

Hybrid reconfigurable intelligent metasurfaces: Enabling simultaneous tunable reflections and sensing for 6G wireless communications

GC Alexandropoulos, N Shlezinger… - IEEE Vehicular …, 2023 - ieeexplore.ieee.org
The latest discussions on upcoming 6G wireless communications are envisioning future
networks as a unified communications, sensing, and computing platform. The recently …

RIS-enabled SISO localization under user mobility and spatial-wideband effects

K Keykhosravi, MF Keskin… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is a promising technological enabler for the 6th
generation (6G) of wireless systems with applications in localization and communication. In …