[Battlemesh] Special Regulatory Requirements at wbm10

fboehm fboehm at aon.at
Mon Apr 10 15:58:57 UTC 2017


Am 2017-04-10 um 17:28 schrieb Albert Rafetseder:
> Am 04/04/17 um 21:38 schrieb Benjamin Henrion:
>>> On 01/04/2017 23:39, Benjamin Henrion wrote:
>>>> I will bring my 2.4ghz jammer, which is very useful if you want to
>>>> test 2.4/5ghz mesh resiliancy.
>>>
>>> We could also generate valid weather radar signatures during #wbm10 (we've done something similar with our USRPN210+XCVR2450 in the lab before).
>>>
>>>
>>>
>>> Does somebody here have info on DFS?
>>>
>>> What's the current state of implementations (in ath9k/ath10k/mt76/...)?
>>> How big of a deal is it for 5GHz meshes today and in the future?
>>>
>>> If it's relevant enough for many we could use #wbm10 to also run some dedicated experiments on this. Or is this done elsewhere already?
>>
>> BTW do you know if there trace we see there might be a 5ghz link?:
>>
>> http://www.meteo.be/meteo/view/fr/113200-ajaxcontroller.html/27014508/image.jpg?position=19&extraid=
>>
>> Just noticed that today checking the weather on meteo.be...
>>
>
> Looks plausible. Related figures to look at:
>
> https://arxiv.org/pdf/1404.6351.pdf
> https://www.itu.int/md/dologin_md.asp?id=R09-SEM.WMO-C-0019!!PDF-E
>
> Albert.
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>
Here's also a nice picture showing 5GHz weather radar interference in 
Germany:

https://www.heise.de/ct/artikel/Kernel-Log-Was-3-9-bringt-3-Treiber-Netzwerk-1841580.html

Franz


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