Indoor signal focusing with deep learning designed reconfigurable intelligent surfaces

C Huang, GC Alexandropoulos… - 2019 IEEE 20th …, 2019 - ieeexplore.ieee.org
Reconfigurable Intelligent Surfaces (RISs) comprised of tunable unit elements have been
recently considered in indoor communication environments for focusing signal reflections to …

A hardware architecture for reconfigurable intelligent surfaces with minimal active elements for explicit channel estimation

GC Alexandropoulos, E Vlachos - ICASSP 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
Intelligent surfaces comprising of cost effective, nearly passive, and reconfigurable unit
elements are lately gaining increasing interest due to their potential in enabling fully …

Beyond 5G wireless localization with reconfigurable intelligent surfaces

H Wymeersch, B Denis - ICC 2020-2020 IEEE International …, 2020 - ieeexplore.ieee.org
5G radio positioning exploits information in both angle and delay, by virtue of increased
bandwidth and large antenna arrays. When large arrays are embedded in surfaces, they can …

Simulation and field trial results of reconfigurable intelligent surfaces in 5G networks

R Liu, J Dou, P Li, J Wu, Y Cui - IEEE access, 2022 - ieeexplore.ieee.org
Recently, reconfigurable intelligent surfaces (RISs) are considered as a strong candidate for
next generation wireless technologies, thanks to its advantage of being able to configure the …

Toward ubiquitous sensing and localization with reconfigurable intelligent surfaces

H Zhang, B Di, K Bian, Z Han, HV Poor… - Proceedings of the …, 2022 - ieeexplore.ieee.org
In future cellular systems, wireless localization and sensing functions will be built-in for
specific applications, eg, navigation, transportation, and healthcare, and to support flexible …

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 …

Reconfigurable intelligent surface (RIS) in the sub-6 GHz band: Design, implementation, and real-world demonstration

A Araghi, M Khalily, M Safaei, A Bagheri, V Singh… - IEEE …, 2022 - ieeexplore.ieee.org
Here, we first aim to explain practical considerations to design and implement a
reconfigurable intelligent surface (RIS) in the sub-6 GHz band and then, to demonstrate its …

Deep learning optimized sparse antenna activation for reconfigurable intelligent surface assisted communication

S Zhang, S Zhang, F Gao, J Ma… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is a revolutionary technology for achieving high rate
and large coverage in future wireless networks by smartly reflecting the signals with …

Localization via multiple reconfigurable intelligent surfaces equipped with single receive RF chains

GC Alexandropoulos, I Vinieratou… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
The extra degrees of freedom resulting from the consideration of Reconfigurable Intelligent
Surfaces (RISs) for smart signal propagation can be exploited for high accuracy localization …

Deep reinforcement learning for intelligent reflecting surfaces: Towards standalone operation

A Taha, Y Zhang, FB Mismar… - 2020 IEEE 21st …, 2020 - ieeexplore.ieee.org
The promising coverage and spectral efficiency gains of intelligent reflecting surfaces (IRSs)
are attracting increasing interest. To adopt these surfaces in practice, however, several …