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Re: Precise time synchronization via wifi interface (intel AX201 iwlwifi driver)

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Hi Toke,

Yes, it is challenging, but IEEE802.1AS already takes consideration of IEEE802.11 MAC. So I count on the standardization to take care of the challenge :)

Point being that the Intel AX201 card claims Timesync feature (https://www.mouser.com/pdfDocs/wi-fi-6-ax201-module-brief.pdf), which is based on IEEE802.1AS. So there must be some way to run gptp like application on the AX201 intel card.

I appreciate any help here if someone has relevant experiences.

Best,

Wei

On 3/5/2020 12:29 PM, Toke Høiland-Jørgensen wrote:
Wei Liu <wei.liu1011@xxxxxxxxx> writes:

Hi,

I am trying to achieve precise time synchronization via wifi
interface.
Erm, good luck with that? :)

You do realise that there's a whole bunch of stuff going on below the
driver level (listen-before-send, etc) that makes 'precise' timing (as
in microsecond-accuracy like ptp)... shall we just say challenging?

-Toke




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