Hi Ben, On Fri, Oct 5, 2012 at 8:41 AM, Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote: > On 10/04/2012 03:36 PM, Julian Calaby wrote: >> >> Hi Ben, >> >> On Fri, Oct 5, 2012 at 4:49 AM, Ben Greear <greearb@xxxxxxxxxxxxxxx> >> wrote: >>> >>> I finally got my 3-attenuator system up and running, >>> and I'm starting to do some tests. >>> >>> AP and Station are running 3.5.5+, ath9k ar9380 NICs. >>> Channel 157, HT40, no encryption. >>> >>> One question right away: Should I expect decent performance >>> if I directly cable 2 wifi NICs, where one is acting as AP and >>> the other as station? I'm cabling ch0 to ch0, ch1 to ch1, ch2 to ch2. >> >> >> Going off on a tangent: arguably it shouldn't matter which channel on >> the AP card is connected to which channel on the STA card. I wonder >> what results you'd get if you cabled them in each combination and >> tested the throughput keeping the other variables the same. I also >> wonder what impact it would have on the throughput if you started >> disconnecting the cables. > > > I doubt it matters either....just seemed sane to start with something > I could easily keep track of in my head :) Fair enough. > I had really shitty performance when I had only one cable connected > to the station, but I think it is probably related to rate-control, > which seems too aggressive. When I force things to slower speeds > it works fine. I'm starting to look into that now. > > I hope to eventually produce big pretty graphs reporting signal, rx-rate, > etc over various attenuations...but still got a ways to go first! Pretty graphs are always useful. It'd be nice to compare other brands / models of card too, but I'm guessing that's outside the scope of what you're planning to achieve. Are you planning to open-source any of the software / hardware you're making to do this? Thanks, -- Julian Calaby Email: julian.calaby@xxxxxxxxx Profile: http://www.google.com/profiles/julian.calaby/ .Plan: http://sites.google.com/site/juliancalaby/ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
