A survey on channel estimation and practical passive beamforming design for intelligent reflecting surface aided wireless communications

B Zheng, C You, W Mei, R Zhang - … Communications Surveys & …, 2022 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) has emerged as a key enabling technology to realize
smart and reconfigurable radio environment for wireless communications, by digitally …

Intelligent reflecting surface-aided wireless communications: A tutorial

Q Wu, S Zhang, B Zheng, C You… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal
propagation in wireless networks. By smartly tuning the signal reflection via a large number …

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 …

Holographic MIMO communications: Theoretical foundations, enabling technologies, and future directions

T Gong, P Gavriilidis, R Ji, C Huang… - arXiv preprint arXiv …, 2022 - arxiv.org
Future wireless systems are envisioned to create an endogenously holography-capable,
intelligent, and programmable radio propagation environment, that will offer unprecedented …

Achievable rate optimization for MIMO systems with reconfigurable intelligent surfaces

NS Perović, LN Tran, M Di Renzo… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) represent a new technology that can shape the
radio wave propagation in wireless networks and offers a great variety of possible …

Reconfigurable intelligent surfaces for smart wireless environments: channel estimation, system design and applications in 6G networks

YC Liang, J Chen, R Long, ZQ He, X Lin… - Science China …, 2021 - Springer
Reconfigurable intelligent surface (RIS), one of the key enablers for the sixth-generation
(6G) mobile communication networks, is considered by designers to smartly reconfigure the …

RIS-enabled passive radar towards target Localization

A Bazzi, M Chafii - arXiv preprint arXiv:2210.11887, 2022 - arxiv.org
In this paper, we study a communication-centric integrated sensing and communication
(ISAC) approach, where an access point (AP) communicates with users, while a passive …

Reconfigurable intelligent surfaces in 6G: Reflective, transmissive, or both?

S Zeng, H Zhang, B Di, Y Tan, Z Han… - IEEE …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) have attracted wide interest from industry and
academia since they can shape the wireless environment into a desirable form at low cost …

Federated learning for channel estimation in conventional and RIS-assisted massive MIMO

AM Elbir, S Coleri - IEEE transactions on wireless …, 2021 - ieeexplore.ieee.org
Machine learning (ML) has attracted a great research interest for physical layer design
problems, such as channel estimation, thanks to its low complexity and robustness. Channel …

Intelligent reflecting surfaces: Sum-rate optimization based on statistical position information

A Abrardo, D Dardari… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, we consider a multi-user multiple-input multiple-output (MIMO) system aided
by multiple intelligent reflecting surfaces (IRSs) that are deployed to increase the coverage …