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cs.IT2025
Rate Analysis and Optimization of LoS Beyond Diagonal RIS-assisted MIMO Systems
Ignacio Santamaria, Jesus Gutierrez, Mohammad Soleymani +1
In this letter, we derive an expression for the achievable rate in a multiple-input multiple-output (MIMO) system assisted by a beyond-diagonal reconfigurable intelligent surface (…
cs.IT2025
Interference Minimization in Beyond-Diagonal RIS-assisted MIMO Interference Channels
Ignacio Santamaria, Mohammad Soleymani, Eduard Jorswieck +1
This paper proposes a two-stage approach for passive and active beamforming in multiple-input multiple-output (MIMO) interference channels (ICs) assisted by a beyond-diagonal recon…
cs.IT2024
MIMO Capacity Maximization with Beyond-Diagonal RIS
Ignacio Santamaria, Mohammad Soleymani, Eduard Jorswieck +1
This paper addresses the problem of maximizing the capacity of a multiple-input multiple-output (MIMO) link assisted by a beyond-diagonal reconfigurable intelligent surface (BD-RIS…