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 …

RIS-enabled smart wireless environments: Deployment scenarios, network architecture, bandwidth and area of influence

GC Alexandropoulos, DT Phan-Huy… - EURASIP Journal on …, 2023 - Springer
Reconfigurable intelligent surfaces (RISs) constitute the key enabler for programmable
electromagnetic propagation environments and are lately being considered as a candidate …

RISs and sidelink communications in smart cities: The key to seamless localization and sensing

H Chen, H Kim, M Ammous… - IEEE …, 2023 - ieeexplore.ieee.org
A smart city involves, among other elements, intelligent transportation, crowd monitoring,
and digital twins, each of which requires information exchange via wireless communication …

JrCUP: Joint RIS calibration and user positioning for 6G wireless systems

P Zheng, H Chen, T Ballal, M Valkama… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS)-assisted localization has attracted extensive
attention as it can enable and enhance localization services in extreme scenarios. However …

Multi-RIS-enabled 3D sidelink positioning

H Chen, P Zheng, MF Keskin, T Al-Naffouri… - arXiv preprint arXiv …, 2023 - arxiv.org
Positioning is expected to be a core function in intelligent transportation systems (ITSs) to
support communication and location-based services, such as autonomous driving, traffic …

Multi-RIS-enabled 3D sidelink positioning

H Chen, P Zheng, MF Keskin… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Positioning is expected to support communication and location-based services in the
fifth/sixth generation (5G/6G) networks. With the advent of reflective reconfigurable intelligent …

Joint Spectrum, Precoding, and Phase Shifts Design for RIS-Aided Multiuser MIMO THz Systems

A Mehrabian, VWS Wong - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Terahertz (THz) wireless systems aim to support content-rich applications with ultra-high
data rate. Due to high molecular absorption, THz signals experience severe path loss over …

RIS-Augmented Millimeter-Wave MIMO Systems for Passive Drone Detection

J He, A Fakhreddine, GC Alexandropoulos - arXiv preprint arXiv …, 2024 - arxiv.org
In the past decade, the number of amateur drones is increasing, and this trend is expected to
continue in the future. The security issues brought by abuse and misconduct of drones …

Zero access points 3D cooperative positioning via RIS and sidelink communications

M Ammous, H Chen, H Wymeersch… - arXiv preprint arXiv …, 2023 - arxiv.org
Reconfigurable intelligent surfaces (RISs) are expected to be a main component of future 6G
networks, due to their capability to create a controllable wireless environment, and achieve …

Hybrid Deep Reinforcement Learning for Enhancing Localization and Communication Efficiency in RIS-Aided Cooperative ISAC Systems

P Saikia, K Singh, WJ Huang… - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
In this paper, we propose a novel framework that combines simultaneous localization and
communication (SLAC) using a reconfigurable intelligent surface (RIS) aided integrated …