Correlation values for Atheros adaptive noise immunity

[Adrian Chadd]

Yeah, it's all a bit confusing. I'd have to re-read the PHY documentation i
have here in order to really understand whta's going on.

What are you trying to achieve herE?


-adrian



On 9 October 2013 20:03, w <tx2023 at gmail.com> wrote:

> Update: looking at the patent again:
> http://www.freepatentsonline.com/7349503.html
>
> Note that bb_m1thres and bb_m2thres refer to normalized,
> self-correlated thresholds, bb_m2count_thr refers to the number of
> self-correlation values (wherein a typical count would not exceed 31),
> and bb_use_self_corr_low refers to an enabling bit value.
>
> (but the variables are still quite confusing.)
>
>
> ~ w ~
>
> On Thu, Oct 10, 2013 at 10:12 AM, w <tx2023 at gmail.com> wrote:
> > Yup, I read the patent. I have also read the Atheros documentation for
> > ANI (for a different hardware version but it says the operation is
> > similar).
> >
> > Are we able to see physical layer parameters like signal level /
> > correlation / channel state information,
> > or are they hidden inside the hardware?
> >
> > ~ w ~
> >
> >
> >
> > On Thu, Oct 10, 2013 at 10:05 AM, Adrian Chadd <adrian at freebsd.org>
> wrote:
> >> I'm not sure. I think it's a signal level. Have you read the ANI
> patent(s) ?
> >>
> >>
> >>
> >> -adrian
> >>
> >>
> >>
> >> On 9 October 2013 19:04, w <tx2023 at gmail.com> wrote:
> >>>
> >>> Is there any way I can printk the correlation values for ar5416_ani.c?
> >>>
> >>> I couldn’t find the variable that contains the correlation value.
> >>> Line 267 of the ar5416_ani.c file says:
> >>> OS_REG_RMW_FIELD(ah, AR_PHY_SFCORR,
> >>> AR_PHY_SFCORR_M1_THRESH, m1Thresh[on]);
> >>>
> >>> I don’t know what the variables mean or what the function means or
> >>> what data type the variables are because I want to printk them.
> >>>
> >>> References:
> >>>
> >>>
> >>>
> http://svnweb.freebsd.org/base/head/sys/dev/ath/ath_hal/ar5416/ar5416_ani.c?view=markup
> >>>
> >>> https://wiki.freebsd.org/dev/ath_hal%284%29/AutomaticNoiseImmunity
> >>>
> >>> ~ w ~
> >>> _______________________________________________
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> >>
> >>
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