<html><body bgcolor="#FFFFFF"><div> If you lable it as RSSI then the proposed seems fine... RSSI is RSSI </div><div><br></div><div>What I would find interesting is how to grade a connection from user point of view.<br><br>It think it has to take into account the actual speed from the client all the way through to a specific point...a type of UTC of speed test on the web... Having seen a map of the world traffic ... that point is probably somewhere in the USA </div><div><br></div><div>Michel</div><div><br>On Mar 7, 2012, at 22:18, Federico Capoano <<a href="mailto:federico@nemesisdesign.net">federico@nemesisdesign.net</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div>
Il 07/03/2012 20.19, Jo-Philipp Wich ha scritto:
<blockquote cite="mid:4F57B4BD.9080207@openwrt.org" type="cite">
<pre wrap="">the Kernel uses RSSI values between -110 and -40 to calculate its
"signal quality", the formula is simple:
quality = min(max(rssi, -110), -40) + 110
That gives 70 quality levels, divided by your three color choices gives
ca. 23 dB spans, so it would result in:
-110 .. -87 -> red
-86 .. -64 -> orange
-63 .. -41 -> green
</pre>
</blockquote>
<br>
Thanks jow!<br>
<br>
<blockquote cite="mid:4F57B4BD.9080207@openwrt.org" type="cite">
<pre wrap="">Whether this kind of quality indicator actually makes sense is
debatable, but thats one way to do it.</pre>
</blockquote>
<font face="Helvetica, Arial, sans-serif"><br>
Yea it's quite debatable. At the moment our values are quite not
right <a class="moz-txt-link-freetext" href="http://map.ninux.org"><a href="http://map.ninux.org">http://map.ninux.org</a></a> (click on dBm on the right column).
We'd like to have values that are more useful in order to have a
quick overview of the network.<br>
<br>
Maybe... could that range be restricted?<br>
<br>
I guess a link that is worse than -90 does not have much sense. I
don't know if there is a very noticeable difference in performance
between a -50 and a -40 link, anyway, links with those values
happen rarely in our network, only if two nodes are very very
near. I checked now (Info tab in upper right corner) and we have
only about 10 links in that range of dBm values out of 132.<br>
<br>
The reason for which I ask you guys is because I'd like to hear
opinions and experiences from other wireless communities ^_^<br>
</font><br>
<div class="moz-signature"><br>
<b>Federico Capoano</b><br>
Web Designer & Web Developer<br>
Portfolio/Blog: <a href="http://nemesisdesign.net"><a href="http://nemesisdesign.net">nemesisdesign.net</a></a><br>
Twitter: <a href="http://twitter.com/nemesisdesign/">@nemesisdesign</a><br>
PGP Key ID: 308BD46E</div>
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