> > The SNR seems to be most universal value, when it comes to comparing
> > different situations (different links and different PHYs). The
> > resolution of BER is not that detailed, for the NXP PHY is says only
> > "BER below 1e-10" or not.
>
> The point I was trying to make is that SQI is intentionally called SQI and
> NOT SNR, because it is not a measure for SNR. The standard only suggest a
> mapping of SNR to SQI, but vendors do not need to comply to that or report
> that. The only mandatory requirement is linking to BER. BER is also what
> would be required by a user, as this is the metric that determines what
> happens to your traffic, not the SNR.
>
> So when it comes to KAPI parameters, I see the following options
> - SQI only
> - SQI + plus indication of SQI level at which BER<10^-10 (this is the only
> required and standardized information)
> - SQI + BER range (best for users, but requires input from the silicon
> vendors)
Last option looks best to me... and it will mean that hopefully silicon vendors
standartize
something in future.
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
