[CUWiN-Dev] 802.11 beacon strength oscillation

[Bill Comisky]

On Thu, 21 Jul 2005, Bill Comisky wrote:

>
> I've been trying to do some crude QA on our nodes before they go out the 
> door; a sanity check to make sure everythings working (pigtail is connected, 
> etc).  So I've been plugging them in at one end of our lab space, and looking 
> the received beacon strength at another node at the other end of the lab 
> with:  tcpdump -ne -y ieee802_11_radio
>
> Somes nodes show a steady ~65dB signal level, while a sizable percentage have 
> beacon levels that alternate between ~45dB and ~65dB, maybe every 20-30 
> packets.  The behavior seems tied to the radio, switching the radio could 
> change the behavior.  I haven't started bandwidth testing to see if there is 
> any difference, but wanted to see if anyone knew if perhaps this was normal 
> (an 802.11 "thing") or could offer an explanation..
>
> The hardware:
> Metrix Mark I
> radio == Atheros 100mW b/g minipci,  NL-5354MP PLUS ARIES2(F)

hmm, some confusion here about whether we actually have the NL-5354MP+ or 
the NL-3054MP+.  The markings on the board and on the sticker on the 
board differ.

bill


--
Bill Comisky
bcomisky at pobox.com