Receiver-specific CSI differences in Wi-Fi sensing stem primarily from AGC and subcarrier nonlinearities and are largely mitigated by gain alignment, restoring most cross-device model accuracy.
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Same Signal, Different Story: Demystifying Receiver Effects in Wi-Fi Channel State Information
Receiver-specific CSI differences in Wi-Fi sensing stem primarily from AGC and subcarrier nonlinearities and are largely mitigated by gain alignment, restoring most cross-device model accuracy.