On Thu, 16 May 2019 at 13:20, Ben Greear <gree...@candelatech.com> wrote:
>
> On 5/16/19 1:16 PM, Adrian Chadd wrote:
> > You can't do AMPDU with OFDM/CCK. If they're setting the AMPDU bit
> > then that's wrong. it needs to be individual MPDU/PPDUs.
> >
> > There's a benefit for CCK. OFDM 6M is I think roughly the same as OFDM
> > MCS0. But CCK is a lot more reliable.
>
> 5Ghz can (should) not do CCK anyway. Do you have any reference for why
> you think CCK will be better? The one I found shows otherwise:
>
> https://d2cpnw0u24fjm4.cloudfront.net/wp-content/uploads/LaminatedCard_RevolutionWiFiMCStoSNRSinglePage.png
Well, you should try measuring it :-) I remember stories of decoding
CCK frames with MRC-CCK at an RSSI of 0 or -1...
And yes, you shouldn't do CCK on 5G, but some wifi PHYs do support it
("support" "it")...
-adrian
_______________________________________________
ath10k mailing list
ath10k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath10k
