Signal sensitivity problem with if_rum

Gustavo Perez Querol gperez at entel.upc.edu
Mon May 4 06:01:56 UTC 2009


>>    Hi,
>>
>>    I'm seeing this in ubuntu 9.04 (kernel 2.6.28). It shows more or less
>> the same figures we have in FBSD.
>
> Try older versions, 8.X perhaps.
>

   Hi,

   I-m writing from a live ubuntu 8.04 right now. At work I have a Cisco
Aironet 1200 (nice AP) and moving my dell latitude D630 laptop beside
it shows the same figures. Signal quality of around 50 % in the best
case.

   Here is what I get with direct view of the AP :

          Cell 02 - Address: 00:0E:D7:78:C3:60
                    ESSID:"eduroam-web"
                    Mode:Master
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=50/100  Signal level=-58 dBm
                    Encryption key:off
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
                              11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=000004116b6646b0


> Linux folks tends to break various things all the time ...

   Yes. That's why I don't like linux at all.

> I dont belive that things are so much simple that changing only one bbp
> all the time will fix signal sensitivity.
>

   I do believe the same too. But I get lost because I'm not very used to
wireless stuff.



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