[TriLUG] WiFi quality monitoring

[Joseph Mack NA3T]

On Thu, 14 Aug 2014, Igor Partola wrote:

> Thanks, very informative. I've put the old antennas back on. Have not yet
> turned down transmit power (the house is large, upstairs gets poor
> reception; I will eventually put a separate AP up there). So far so good,
> the iperf tests have gotten slightly faster and I don't see intermittent
> ping issues (where ping time goes up to 200-300ms randomly). The slowdowns
> and packet loss are more sporadic, so I'll have to see how it it during the
> day tomorrow.

I hope this is it. However I don't have an explanation for it :-) John will have 
to tell us.

Can you go back to the setup as it was in the old place (antennas, power...) and 
see if that still works in the new place?

> I measured signal strength and did an iperf test right next to the router,
> and then outside where an outside wall was between the laptop and the
> router. Here are the stats:
>
> Inside:
>
> - RSSI: -55 dBm
> - Noise: -91 dBm
> - Quality: ~ 40
> - iperf ~ 85 Mbps
>
> Outside:
>
> - RSSI: -60 dBm
> - Noise: -91 dBm
> - Quality: ~ 33
> - iperf ~ 75 Mbps
>

your wood is as tranparent as air :-) I would have expected a bit of water and 
mass in the wood would have dropped more than that.

> My guess is that there is no metal in the walls aside from wires and screws.

yup

Joe
-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!