2 papers
eess.SP2026
Structured Channel Parameter Estimation for RIS-Assisted MIMO Systems via Kronecker and Tensor Factorizations
Melryllin G. O. Sousa, Jean C. S. Ferreira, Fazal-E Asim
This paper proposes structured channel-parameter estimators for reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output (MIMO) systems employing uniform re…
eess.SP2026
Low-Complexity Channel Parameter Estimation for Coprime HRIS-Assisted MIMO Systems
Jean C. S. Ferreira, Melryllin G. O. Sousa, Fazal-E Asim
This paper proposes a parameter estimation scheme for uplink MIMO systems assisted by a Hybrid Reconfigurable Intelligent Surface (HRIS). To reduce hardware complexity, the HRIS em…