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A comment on mmWave radar, you won't see it coming. Parent comment

Re:mmWave radar, you won't see it coming by synthos on Wednesday February 02, 2022 @12:13AM (#30174003)
How is the power consumption?

Is it sensitive to noise or interference?

The VR headset application appeals to me. If headsets could be dumb terminals they would be a lot lighter and untethered wouldn't suffer from performance loss.

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Re:mmWave radar, you won't see it coming by hornej on Wednesday February 02, 2022 @12:24AM (#30174072)
Power consumption for radar can get down to around 0.5mW (edit)

But I imagine for 60GHz WiFi it's probably pretty power hungry.

At this point there's not much noise in the mmWave spectrum (it won't be competing with 2.4GHz and 5GHz anyways). And mmWave doesn't travel that far which is one of the main reasons the FCC unlicensed it in the first place.

Might be worth keeping an eye on UWB for AR/VR headsets https://www.embedded.com/wireless-transceivers-use-uwb-for-l...

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Re:mmWave radar, you won't see it coming by BenjiWiebe on Wednesday February 02, 2022 @09:46AM (#30178242)
Checking some point to point wireless radios and it doesn't look like 60Ghz needs much more power. Well, it might be a few times as much, but definitely the same order of magnitude.
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