AutoCalib detects natural point-like scatterers ('Ambient Radio Anchors') by matching radar spatial spectra to theoretical templates, and uses them to reduce mmWave array phase error to near corner-reflector levels.
A Review of Millimeter Wave Device- Based Localization and Device-Free Sensing Technologies and Appli- cations,
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Automatic Phase Calibration for High-resolution mmWave Sensing via Ambient Radio Anchors
AutoCalib detects natural point-like scatterers ('Ambient Radio Anchors') by matching radar spatial spectra to theoretical templates, and uses them to reduce mmWave array phase error to near corner-reflector levels.