On Thu, 2021-05-06 at 15:06 -0500, Denis Kenzior wrote:
Hi James,
> As we have suggested others, it seems most appropriate to modify
> IWD's
> 5GHz ranking specifically to handle this scenario. By default the
> 5Ghz
> rank modifier is unused (set to 1.0). I would like to know if
> anyone
> else has been playing with [Rank].BandModifier5Ghz, and found
> values
Sort of. BandModifier5Ghz is a blunt tool, mostly there to blindly
force 5G or not.
> that work for them as we are considering changing the default to
> better
> handle the average user.
I don't think changing the default is a good idea since it doesn't
take
throughput into account. Have you looked into tweaking the
RANK_MAX_SUPPORTED_RATE_FACTOR and RANK_MIN_SUPPORTED_RATE_FACTOR (or
really the
spread between them)?
I did play around with those but I found that the calculated 2.4 rate
was close enough that these values needed to change more drastically
than what I was expecting. But I didn't look too deep into this either.
I think you're right, the spread between them may need to increase to
give the effect we want.
Just looking at the base rssi, the formula weighs the network with -
43db about
2x higher than at -71db. That is a pretty significant difference to
overcome.
As you say, rssi might need to be given less weight or taken out of
the equation
entirely and have everything be based on the expected throughput.
Still, -71db is below our roaming threshold, so that is also
something to consider.
Yeah, this occurred to me as well. The roam threshold should probably
be tweaked for 5Ghz.
Regards,
-Denis