Two-Way Ranging and Angle-of-Arrival for Millimeter-Precise Collision Risk
Measuring nanosecond radio time-of-flight between vehicle bumper transceivers and personal devices to calculate relative separation down to 5 centimeters.
Multipath Phase Disambiguation
Advanced channel impulse response (CIR) signal processing extracts the true first direct arrival path despite heavy asphalt multipath bouncing.
- Spatial ranging accuracy within ±5 centimeters across 50 meters.
- Simultaneous angle-of-arrival (AoA) horizontal azimuth estimation.
- Zero vulnerability to GPS satellite signal attenuation in urban canyons.
- Immunity to optical glare, heavy snow, and absolute midnight darkness.
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