no code implementations • 18 Dec 2024 • Nikolaos Kolomvakis, Emil Björnson
Holographic multiple-input multiple-output (MIMO) systems represent a spatially constrained MIMO architecture with a massive number of antennas with small antenna spacing as a close approximation of a spatially continuous electromagnetic aperture.
no code implementations • 10 Jul 2024 • Alva Kosasih, Özlem Tuğfe Demir, Nikolaos Kolomvakis, Emil Björnson
As wireless technology begins to utilize physically larger arrays and/or higher frequencies, the transmitter and receiver will reside in each other's radiative near field.
no code implementations • 23 Jan 2024 • Nikolaos Kolomvakis, Alva Kosasih, Emil Björnson
In this paper, we study the distortion created by nonlinear amplifiers in both ELAAs and active RIS.