Re: Measure RSSI in adhoc networks

["Luis R. Rodriguez" <mcgrof@gmail.com>]

On Thu, Apr 23, 2009 at 4:39 AM, Kai Timmer <email@kait.de> wrote:
> 2009/4/23 Johannes Berg <johannes@sipsolutions.net>:
>> On Thu, 2009-04-23 at 12:36 +0200, Kai Timmer wrote:
>>
>>> I need the RSSI values for distance measurements between the nodes.
>>
>> Note that is very unreliable...
>
> I know, it is a work for my diploma thesis. I'm trying to combine it
> with some kind of round trip time measurements. It is in the very
> early stages,...
>
>>> So
>>> what i need is not a "quality value" for the whole network, but the
>>> recieved mW from every reachable point in the network. So i think the
>>> RSSI value for every network node (if i can print them out seperatly)
>>> should do the job.
>>
>> iw dev wlan0 station dump
>
> That works on my laptop, but on not on my Openmoko Freerunner devices.
> There I get the following:
>
> runner1:~# iw dev eth1 station dump
> nl80211 not found.
>
> I assume that something with the freerunner wireless driver is not
> compatible with the linux wireless stack. The driver is called
> "ar6000".

The ar6000 driver uses wext and not cfg80211 which all new shiny
mac80211 drivers use. The command Johannes gave you was for cfg80211
devices.

  Luis