A CSI-quotient steganography system with neural-network FIR generation achieves robustness to environmental changes and higher capacity than prior Wi-Fi PHY methods.
Exploiting frame preamble waveforms to support new physical-layer functions in OFDM-based 802.11 systems
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Hiding Secrets in the CSI Quotient: A Robust Wi-Fi CSI Steganography System
A CSI-quotient steganography system with neural-network FIR generation achieves robustness to environmental changes and higher capacity than prior Wi-Fi PHY methods.