no code implementations • 27 Jun 2022 • Abdelhamed Mohamed, Nemanja Stefan Perović, Marco Di Renzo
In this paper, we consider intelligent omni-surfaces (IOSs), which are capable of simultaneously reflecting and refracting electromagnetic waves.
no code implementations • 21 Jan 2022 • Sumin Jeong, Arman Farhang, Nemanja Stefan Perović, Mark F. Flanagan
This becomes more critical in RIS-aided communications, as even a small channel estimation error leads to a significant performance loss.
no code implementations • 27 Jan 2021 • Sumin Jeong, Arman Farhang, Nemanja Stefan Perović, Mark Flanagan
Accurate channel estimation is essential for achieving the performance gains offered by reconfigurable intelligent surface (RIS)-aided wireless communications.
no code implementations • 9 Dec 2020 • Nemanja Stefan Perović, Le-Nam Tran, Marco Di Renzo, Mark F. Flanagan
The main difficulty concerning optimizing the mutual information (MI) in reconfigurable intelligent surface (RIS)-aided communication systems with discrete signaling is the inability to formulate this optimization problem in an analytically tractable manner.
Information Theory Information Theory