Signal sensitivity problem with if_rum
gperez at entel.upc.edu
Thu Apr 30 06:34:19 UTC 2009
> I think this is right place to post, if it is not, please let me know.
> I'm experiencing problems with two different devices using if_rum.
> One is a Hercules Guillemot and the other is a Linksys Cisco WUSB54GC
> The first one is about sensitivity, which is very low: for example,
> I'm detecting just two or three networks around me (with windows them
> detect around 14 or 15 networks) and the reported signal is very low.
> Placing the sensor very near to my wireless network AP (which is a
> FreeBSD machine with atheros card placing the txpower to 20) reports a
> signal quality of 50% or 60%.
Any clue ? Can anyone point me where to start looking ? I've been
looking in /usr/src/sys/dev/usb/wlan/if_rum.c (and friends) ...
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