An efficient channel training protocol for channel estimation in double RIS-aided MIMO systems

S Gherekhloo, K Ardah, GC Nwalozie… - 2024 32nd …, 2024 - ieeexplore.ieee.org
In this paper, we consider a double-Ris (D-RIS)-aided flat-fading MIMO system and propose
an interference-free channel training and estimation protocol, where the two single-reflection …

Enhanced channel estimation for double RIS-aided MIMO systems using coupled tensor decomposition

GC Nwalozie, ALF de Almeida, M Haardt - arxiv preprint arxiv:2412.05743, 2024 - arxiv.org
In this paper, we consider a double-RIS (D-RIS)-aided flat-fading MIMO system and propose
an interference-free channel training and estimation protocol, where the two single-reflection …

Efficient Channel Prediction for Beyond Diagonal RIS-Assisted MIMO Systems with Channel Aging

N Ginige, AS de Sena, NH Mahmood… - arxiv preprint arxiv …, 2024 - arxiv.org
Novel reconfigurable intelligent surface (RIS) architectures, known as beyond diagonal RISs
(BD-RISs), have been proposed to enhance reflection efficiency and expand RIS …

Semi-Blind Tensor-Based Channel Estimation For Double RIS MIMO Systems

KN Aliyu, TT Le, K Abed-Meraim… - 2024 IEEE Middle East …, 2024 - ieeexplore.ieee.org
In this work, we propose a new joint (coupled) Tucker-2 decomposition method for semi-
blind channel estimation in a double-reconfigurable intelligent surface (D-RIS) assisted …

[HTML][HTML] Massive MIMO and multi-hop mobile communication systems

S Gherekhloo - 2024 - db-thueringen.de
Seit den späten 1990er Jahren wurden massive MIMO (multiple-input multiple-output)
Systeme vorgeschlagen, um die erreichbaren Datenraten in drahtlosen …