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 …

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 …

Joint user, channel, modulation-coding selection, and RIS configuration for jamming resistance in multiuser OFDMA systems

X Yuan, S Hu, W Ni, RP Liu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) can potentially combat jamming. It is non-trivial to
perform holistic selections of users, data streams, and modulation-coding modes for all …

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 …

Deep learning-based channel estimation for double-RIS aided massive MIMO system

M Liu, X Li, B Ning, C Huang, S Sun… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
Reconfigurable Intelligent Surface (RIS) is considered as an energy-efficient solution for
future wireless communication networks due to its fast and low-cost configuration. In this …

Stacked intelligent metasurfaces for multiuser beamforming in the wave domain

J An, M Di Renzo, M Debbah… - ICC 2023-IEEE …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surface has recently emerged as a promising technology for
shaping the wireless environment by leveraging massive low-cost reconfigurable elements …

Channel training & estimation for reconfigurable intelligent surfaces: Exposition of principles, approaches, and open problems

B Shamasundar, N Daryanavardan… - IEEE Access, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RIS) are passive controllable arrays of small reflectors
that direct electromagnetic energy towards or away from the target nodes, thereby allowing …

Maximizing spectral and energy efficiency in multi-user MIMO OFDM systems with RIS and hardware impairment

M Soleymani, I Santamaria, A Sezgin… - arXiv preprint arXiv …, 2024 - arxiv.org
An emerging technology to enhance the spectral efficiency (SE) and energy efficiency (EE)
of wireless communication systems is reconfigurable intelligent surface (RIS), which is …

Adjustable-delay RIS is capable of improving OFDM systems

J An, C Xu, DWK Ng, C Yuen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RIS) demonstrate the potential to improve the spectrum
and energy efficiency of wireless networks. In this paper, we investigate multiple-RIS …

Robust resource allocation design for secure IRS-aided WPCN

W Wang, Y Gong, L Yang, Y Zhan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper studies the robust resource allocation design for secure intelligent reflecting
surface (IRS)-aided wireless powered communication networks (WPCN). In particular …