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Re: [PATCH] wireless: add regulatory_struct_hint

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On Thu, Oct 23, 2008 at 9:54 PM, Marcel Holtmann
<holtmann@xxxxxxxxxxxxxxx> wrote:
> Hi Luis,
>
>> >Since this is only for wiphys this seems reasonable. I just keep in the
>> >back of my mind leaving open the possibility for other wireless
>> >subsystems to be able to make use of the currently set regulatory domain
>> >and its regulatory rules, but this is in keeping with that as our
>> >current requests are not changing the regulatory definitions, and just
>> >as we have a wiphy for last_request we can add later struct
>> >foo_new_wireless_type there too. I am curious if band definitions
>> >should be shared between Bluetooth and 802.11 though. I don't think
>> >BT devices have any notion of regulatory though nor are they capable of
>> >exporting it though. Marcel is this correct? Inaky -- how about uwb, or
>> >WiMax?
>>
>> UWB swipes over all the bands (from 3.1 to 10.6G), but keeping emission below FCCp15 limits (-41dBm, if memory serves) so it looks as interference to others. All the channel assignments are fixed and known, so in theory,
>> it'd be possible to coordinate.
>
> and Bluetooth uses the full 2.4 GHz band (split into 79 channels) and it
> uses the full band equally and is allowed to. The regulatory efforts of
> the Bluetooth SIG made it possible to use this world-wide. No regulatory
> stuff is needed here.
>
> Bluetooth will also use UWB in the future in the range of 6 GHz and it
> will get the same world-wide regulatory effort.
>
> The only part I am not sure is Bluetooth over 802.11 since they have
> some weird stuff in there and the specification is not final yet.
>
> Regards
>
> Marcel
>
There is a similar effort going on in WiFi but it probably will take
some time, till this regulator nonsense is removed
Tomas
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