[wireless-regdb] [PATCH v2] wireless-regdb: Update regulatory rules for South Korea

Peter Oh peter.oh at bowerswilkins.com
Wed May 15 12:08:54 PDT 2019



On 05/15/2019 09:21 AM, Seth Forshee wrote:
> You dropped Peter and the linux-wireless list from your reply, adding
> them back.
>
> On Thu, May 16, 2019 at 12:10:16AM +0900, suchan wrote:
>> 2019-05-15 10:03PM at Seth Forshee wrote:
>>> Is there any mention of transmit power control in the document? The fact
>>> that some of the old limits are exactly half of they values you've given
>>> makes me wonder if they weren't set lower for TPC, especially for
>>> 5250-5350 MHz where TPC is common.
>>>
>>> Since you're changing these rules, I'd also like to see the frequency
>>> ranges changed to match the documented ranges, i.e.:
>>>
>>>    2400 - 2483.5
>>>    5150 - 5250
>>>    5250 - 5350
>>>    5470 - 5710
>>>    5735 - 5850
>>>
>>> I left the gap in the 5470-5850 MHz range since I can't tell exactly
>>> where the DFS requirement ends. Usually it seems to be 5725 MHz, but
>>> that is not universal. If you can determine where the break is those
>>> ranges could also be expanded.
>>>
>>> Thanks,
>>> Seth
>>>
>>> _______________________________________________
>>> wireless-regdb mailing list
>>> wireless-regdb at lists.infradead.org
>>> http://lists.infradead.org/mailman/listinfo/wireless-regdb
>> from same document, just under the table for wifi range itself 5250∼5350
>> MHz and 5470∼5725 MHz need TPC and DFS
>>
>> TPC rule is if power exceeds 25mW/MHz (this includes antenna gain), it
>> has do be able to reduce it under 12.5mW/Mhz.
>>
>> DFS rule itself (DFS-JP) looks right.
DFS bandwidth is correct although the rules(radar types and etc.) are 
different from JP, but no plan yet to add KR rules to DFS (requires 
kernel space patches).
> Thanks! Based on that I think this is probably what we need:
>
>   (2400 - 2483.5 @ 40), (23)
>   (5150 - 5250 @ 80), (23), AUTO-BW
>   (5250 - 5350 @ 80), (20), DFS, AUTO-BW
>   (5470 - 5725 @ 160), (20), DFS
>   (5725 - 5835 @ 80), (23)
>
> Peter, if that looks good to you please send a v3 patch.
It looks good to me, too. I'll do v3.

Thanks,
Peter


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