mmWave is the usual solution for this; I know that Amazon were at least testing ... | Hacker News

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		bri3d 67 days ago \| parent \| context \| favorite \| on: Two Amazon delivery drones crash into crane in com... mmWave is the usual solution for this; I know that Amazon were at least testing using mmWave but I'm not sure if it made it to their production drones.

oofbey 67 days ago [–]

Would that act like radar in mmWave? Send out pulses and see where they come back and time difference to estimate range?

addaon 67 days ago | [–]

Yep. See eg the TI AWR1843 and related AWR parts.

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