[time-nuts] wifi with time sync
kb8tq at n1k.org
Fri Jan 13 12:40:22 EST 2017
Just for reference, I happen to be running a ping over my local WiFi to one of the switches
on the LAN. The ping response is anywhere from 2 ms out to 400 ms. Most of the time it’s
in the 3 to 9 ms range. Simply taking that down to < 1 us would be a really big deal.
> On Jan 13, 2017, at 12:06 PM, walter shawlee 2 <walter2 at sphere.bc.ca> wrote:
> they were really short on hard details about this new technology.
> the *WiFi alliance* website only shows this off-site article link I found under NEWS:
> the main alliance site is here:
> http://www.wi-fi.org/ but I don't see anything helpful other than this
> general explanation of TimeSync:
> but meaty details that might help us are hard to find.
> all the best,
> Walter Shawlee 2, President
> Sphere Research Corporation
> 3394 Sunnyside Rd., West Kelowna, BC
> V1Z 2V4 CANADA Phone: (250) 769-1834
> walter2 at sphere.bc.ca
> WS2: We're all in one boat, no matter how it looks to you.
> Love is all you need. (John Lennon)
> But, that doesn't mean other things don't come in handy. (WS2)
> On 2017-01-13 08:47 AM, Joshua Pollack wrote:
>> I saw this article too -- is anyone aware of something with more
>> technical details? For example, where in the protocol stack does it
>> work? Is it specific to 802.11 or general purpose ethernet?
>> Speaking as someone who has a primary hobby of the development of
>> super low cost time sync algorithms and software implementations with
>> the express application of audio over disparate clocks... this
>> interests me.
>> On Fri, Jan 13, 2017 at 08:30:44AM -0800, walter shawlee 2 wrote:
>>> While probably not tight enough for time nuts use, there is a new
>>> WiFi technology shown at CES that provides time sync between nodes
>>> to allow audio to be simulcast over many locations. the info (in
>>> short form) is here for those interested:
>>> there might be some way it can be used for more precision purposes
>>> down the road. I just thought it might be of interest to the group.
>>> all the best,
>>> Walter Shawlee 2, President
>>> Sphere Research Corporation
>>> 3394 Sunnyside Rd., West Kelowna, BC
>>> V1Z 2V4 CANADA Phone: (250) 769-1834
>>> walter2 at sphere.bc.ca
>>> WS2: We're all in one boat, no matter how it looks to you.
>>> Love is all you need. (John Lennon)
>>> But, that doesn't mean other things don't come in handy. (WS2)
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