1.2k citations · 16.4k across the 357 of their papers we have counts for
8 papers · 2 filters
Phase Configuration Learning in Wireless Networks with Multiple Reconfigurable Intelligent Surfaces
George C. Alexandropoulos, Sumudu Samarakoon, Mehdi Bennis +1
Reconfigurable Intelligent Surfaces (RISs) are recently gaining remarkable attention as a low-cost, hardware-efficient, and highly scalable technology capable of offering dynamic c…
Opportunistic Beamforming using an Intelligent Reflecting Surface Without Instantaneous CSI
Qurrat-Ul-Ain Nadeem, Anas Chaaban, Merouane Debbah
While intelligent reflecting surface (IRS) assisted wireless communication has emerged as an important research paradigm, channel state information (CSI) acquisition remains a crit…
Channel Estimation for RIS-Empowered Multi-User MISO Wireless Communications
Li Wei, Chongwen Huang, George C. Alexandropoulos +3
Reconfigurable Intelligent Surfaces (RISs) have been recently considered as an energy-efficient solution for future wireless networks due to their fast and low-power configuration,…
On The Optimal Number of Reflecting Elements for Reconfigurable Intelligent Surfaces
Alessio Zappone, Marco Di Renzo, Xiaojun Xi +1
This work considers a point-to-point link where a reconfigurable intelligent surface assists the communication between transmitter and receiver. The system rate, energy efficiency,…
Intelligent Reflecting Surface Assisted Multi-User MISO Communication: Channel Estimation and Beamforming Design
Qurrat-Ul-Ain Nadeem, Hibatallah Alwazani, Abla Kammoun +3
The concept of reconfiguring wireless propagation environments using intelligent reflecting surfaces (IRS)s has recently emerged, where an IRS comprises of a large number of passiv…
Smart Radio Environments Empowered by Reconfigurable Intelligent Surfaces: How it Works, State of Research, and Road Ahead
Marco Di Renzo, Alessio Zappone, Merouane Debbah +4
What is a reconfigurable intelligent surface? What is a smart radio environment? What is a metasurface? How do metasurfaces work and how to model them? How to reconcile the mathema…