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Communication Dans Un Congrès Année : 2023

On the Degrees of Freedom of RIS-Aided Holographic MIMO Systems

Résumé

In this paper, we study surface-based communication systems based on different levels of channel state information for system optimization. We analyze the system performance in terms of rate and degrees of freedom (DoF). We show that the deployment of a reconfigurable intelligent surface (RIS) results in increasing the number of DoF, by extending the nearfield region. Over Rician fading channels, we show that an RIS can be efficiently optimized only based on the positions of the transmitting and receiving surfaces, while providing good performance if the Rician fading factor is not too small.
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Dates et versions

hal-04186798 , version 1 (24-08-2023)

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Juan Carlos Ruiz-Sicilia, xuewen qian, Marco Di Renzo, Vincenzo Sciancalepore, Merouane Debbah, et al.. On the Degrees of Freedom of RIS-Aided Holographic MIMO Systems. 26th International ITG Workshop on Smart Antennas and 13th Conference on Systems, Communications, and Coding, Feb 2023, Brunswick, Germany. ⟨hal-04186798⟩
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