RespirFi delivers high-fidelity, location-robust respiratory waveforms from single-antenna WiFi CSI via a theoretical reflection model, adaptive subcarrier selection, trend alignment, and inter-subcarrier phase detection.
WiPhase: A human activity recognition approach by fusing of reconstructed WiFi CSI phase features,
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High-Fidelity and Location-Robust Respiratory Waveform Monitoring with Single-Antenna WiFi
RespirFi delivers high-fidelity, location-robust respiratory waveforms from single-antenna WiFi CSI via a theoretical reflection model, adaptive subcarrier selection, trend alignment, and inter-subcarrier phase detection.