A frequency-aware LC-RIS phase-shift design raises simulated worst-case secrecy rate to about 2 bits/symbol over 8 GHz at 60 GHz versus benchmarks that ignore the LC frequency response.
Architecture for sub-100 ms liquid crystal reconfigurable intelligent surface based on defected delay lines,
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Near-field Liquid Crystal RIS Phase-Shift Design for Secure Wideband Illumination
A frequency-aware LC-RIS phase-shift design raises simulated worst-case secrecy rate to about 2 bits/symbol over 8 GHz at 60 GHz versus benchmarks that ignore the LC frequency response.