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 …

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 …

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 …

A survey on reconfigurable intelligent surfaces assisted multi-access edge computing networks: State of the art and future challenges

M Ahmed, S Raza, AA Soofi, F Khan, WU Khan… - Computer Science …, 2024 - Elsevier
This survey provides a comprehensive analysis of the integration of Reconfigurable
Intelligent Surfaces (RIS) with edge computing, underscoring RIS's critical role in advancing …

Counteracting eavesdropper attacks through reconfigurable intelligent surfaces: A new threat model and secrecy rate optimization

GC Alexandropoulos, KD Katsanos… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
The potential of Reconfigurable Intelligent Surfaces (RISs) for energy-efficient and
performance-boosted wireless communications is recently gaining remarkable research …

Multi-RIS-empowered multiple access: A distributed sum-rate maximization approach

KD Katsanos, P Di Lorenzo… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
The plethora of wirelessly connected devices, whose deployment density is expected to
largely increase in the upcoming sixth Generation (6G) of wireless networks, will naturally …

Reconfigurable intelligent surfaces for THz: Hardware design and signal processing challenges

GC Alexandropoulos, A Clemente… - 2024 18th European …, 2024 - ieeexplore.ieee.org
Wireless communications in the THz frequency band is an envisioned revolutionary
technology for sixth Generation (6G) networks. However, such frequencies impose certain …

The Emergence of Multi-Functional and Hybrid Reconfigurable Intelligent Surfaces for Integrated Sensing and Communications-A Survey

A Tishchenko, M Khalily, A Shojaeifard… - … Surveys & Tutorials, 2025 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RIS) are positioned as one of the key enabling
technologies for 6G networks as they can provide ubiquitous coverage for areas with …

Joint 3D user and 6D hybrid reconfigurable intelligent surface localization

R Ghazalian, GC Alexandropoulos… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
The latest assessments of the emerging technologies for reconfigurable intelligent surfaces
(RISs) have indicated the concept's significant potential for localization and sensing, either …

On the impact of control signaling in RIS-empowered wireless communications

F Saggese, V Croisfelt, R Kotaba… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
The research on Reconfigurable Intelligent Surfaces (RISs) has dominantly been focused on
physical-layer aspects and analyses of the achievable adaptation of the wireless …