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 :)
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!
Thanks,
Ben
--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc http://www.candelatech.com
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