[time-nuts] time transfer over wifi

Scott Stobbe scott.j.stobbe at gmail.com
Sun Jan 15 11:50:46 EST 2017


Pretty much every wifi transceiver is adc sampled so the frames are
"timestamped", but the adc sample time may not get pushed up.

The rtt/tof for the large umbrella of localization applications, I would
imagine will be impented even farther back in the rx chain.

On Sun, Jan 15, 2017 at 11:42 AM jimlux <jimlux at earthlink.net> wrote:

> On 1/15/17 8:26 AM, Bob Camp wrote:
>
> > Hi
>
> >
>
> > Ok, that’s a pretty good paper. At least it shows data and digs into the
> details.
>
> > It also would lead one to believe that a “Time Nuts” grade sync system
> might
>
> > be a hackable sort of thing …… hmmm…..Given how highly integrated these
>
> > WiFi chip sets have become, that probably is a fantasy.
>
> >
>
>
>
> maybe, maybe not..
>
>
>
> They might have implemented the time stamping feature (like in that WiFi
>
> Arduino thing) but the details are poorly documented, and of course,
>
> everyone is different.
>
>
>
> But it's a start.
>
>
>
> and 802.11v appears to be the "standard" for how to do it in a
>
> "standards compliant" way.
>
>
>
>
>
>
>
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