Channel training & estimation for reconfigurable intelligent surfaces: Exposition of principles, approaches, and open problems
B Shamasundar, N Daryanavardan… - IEEE Access, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RIS) are passive controllable arrays of small reflectors
that direct electromagnetic energy towards or away from the target nodes, thereby allowing …
that direct electromagnetic energy towards or away from the target nodes, thereby allowing …
Outage and DMT analysis of partition-based schemes for RIS-aided MIMO fading channels
In this paper, we investigate the performance of multiple-input multiple-output (MIMO) fading
channels assisted by a reconfigurable intelligent surface (RIS), through the employment of …
channels assisted by a reconfigurable intelligent surface (RIS), through the employment of …
Reconfigurable Intelligent Surfaces with Channel Training: Spectral Efficiency and Optimal Array Dimensions
B Shamasundar, A Nosratinia - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
In reconfigurable intelligent surfaces (RIS), the reflective elements increase the
dimensionality of the overall channel model and, correspondingly, the training requirements …
dimensionality of the overall channel model and, correspondingly, the training requirements …
A Hybrid Scheme for Reconfigurable Intelligent Surfaces: How Many Elements Should be Estimated?
In this work, a low-complexity hybrid scheme is presented for a wireless network assisted by
a reconfigurable intelligent surface (RIS), where channel estimation is required for only a …
a reconfigurable intelligent surface (RIS), where channel estimation is required for only a …
On the Separability of Beamforming for Reconfigurable Intelligent Surfaces Under Statistical CSI
M Farahnak-Ghazani, N Daryanavardan… - 2024 IEEE …, 2024 - ieeexplore.ieee.org
Reconfigurable Intelligent Surfaces (RIS) have channel models with many parameters,
motivating the study and use of statistical channel state information (CSI) in this context. This …
motivating the study and use of statistical channel state information (CSI) in this context. This …