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 …

A survey on reconfigurable intelligent surface for physical layer security of next-generation wireless communications

R Kaur, B Bansal, S Majhi, S Jain… - IEEE Open Journal of …, 2024 - ieeexplore.ieee.org
Unprecedented growth in wireless data traffic, and ever-increasing demand for highly
secured, and low-latency wireless communication has motivated the research community to …

Fundamental detection probability vs. achievable rate tradeoff in integrated sensing and communication systems

J An, H Li, DWK Ng, C Yuen - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Integrating sensing functionalities is envisioned as a distinguishing feature of next-
generation mobile networks, which has given rise to the development of a novel enabling …

Proximal policy optimization for RIS-assisted full duplex 6G-V2X communications

P Saikia, S Pala, K Singh, SK Singh… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this work, we consider a novel reconfigurable intelligent surface (RIS)-assisted full-duplex
(FD) sixth generation (6G)-vehicle-to-everything (V2X) communication network having a FD …

Time-varying channel prediction for RIS-assisted MU-MISO networks via deep learning

W Xu, J An, Y Xu, C Huang, L Gan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
To mitigate the effects of shadow fading and obstacle blocking, reconfigurable intelligent
surface (RIS) has become a promising technology to improve the signal transmission quality …

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 …

Algorithm-unrolling-based distributed optimization for RIS-assisted cell-free networks

W Xu, J An, H Li, L Gan, C Yuen - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
The user-centric cell-free network has emerged as an appealing technology to improve the
wireless communication's capacity of the Internet of Things (IoT) networks thanks to its ability …

Integration of NOMA with reflecting intelligent surfaces: A multi-cell optimization with SIC decoding errors

WU Khan, E Lagunas, A Mahmood, Z Ali… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Reflecting intelligent surfaces (RIS) has gained significant attention due to its high energy
and spectral efficiency in next-generation wireless networks. By using low-cost passive …

Active reconfigurable intelligent surface assisted secure and robust cooperative beamforming for cognitive satellite-terrestrial networks

Y Ge, J Fan - IEEE Transactions on Vehicular Technology, 2022 - ieeexplore.ieee.org
This paper proposes a novel active reconfigurable intelligent surface (RIS) assisted secure
and robust cooperative beamforming for cognitive satellite-terrestrial networks. Specifically …

Multi-user MISO with stacked intelligent metasurfaces: A DRL-based sum-rate optimization approach

H Liu, J An, GC Alexandropoulos, DWK Ng… - arXiv preprint arXiv …, 2024 - arxiv.org
Stacked intelligent metasurfaces (SIMs) represent a novel signal processing paradigm that
enables over-the-air processing of electromagnetic waves at the speed of light. Their multi …