A closed-form secret key rate expression is derived for RIS-assisted MIMO continuous-variable QKD at THz with least-squares channel estimation and collective Gaussian eavesdropping.
Near-field wideband extremely large-scale MIMO transmiss ions with holographic metasurface-based antenna arrays,
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RIS-Assisted MIMO CV-QKD at THz Frequencies: Channel Estimation and SKR Analysis
A closed-form secret key rate expression is derived for RIS-assisted MIMO continuous-variable QKD at THz with least-squares channel estimation and collective Gaussian eavesdropping.