no code implementations • 18 Dec 2024 • Alva Kosasih, Ozlem Tugfe Demir, Emil Bjornson
In this paper, we develop a novel parametric ML channel estimator for RIS-assisted wideband systems, which can handle line-of-sight (LOS) paths in the base station (BS)-RIS and RIS-UE links as well as NLOS paths between the UE, BS, and RIS.
no code implementations • 3 Dec 2024 • Weixian Yan, Ozan Alp Topal, Zinat Behdad, Ozlem Tugfe Demir, Cicek Cavdar
Integrated sensing and communication (ISAC) is a promising technology for future mobile networks, enabling sensing applications to be performed by existing communication networks, consequently improving the system efficiency.
no code implementations • 13 Nov 2024 • Steven Rivetti, Ozlem Tugfe Demir, Emil Bjornson, Mikael Skoglund
In this paper, we investigate the performance of an integrated sensing and communication (ISAC) system within a cell-free massive multiple-input multiple-output (MIMO) system.
no code implementations • 20 Feb 2024 • Steven Rivetti, Ozlem Tugfe Demir, Emil Bjornson, Mikael Skoglund
Reconfigurable intelligent surfaces (RISs) have demonstrated significant potential for enhancing communication system performance if properly configured.