[Olsr-users] Off Topic: Frequency select
Sat Jan 24 20:03:44 CET 2009
On Samstag 24 Januar 2009 19:54:16 Derek C wrote:
> Hi all,
> Sorry - this is [yet another] off topic mesh question again:
> I'm having interference problems - no surprise I suppose because I'm using
> 2.4 Ghz. I see a good association strength (via wlanconfig athX list sta)
> and I've found that with lots of iperf tests the through put is sometimes
> 7Mbits/sec and sometimes <1Mbit/second. Also it can be good for a number
> of tests and I'll try again later and it'll be poor again so I reckon its
> I'm using channel 6 (2.437).
> I don't know if/how to control bandwidth (Mhz channel width) in madwifi so
> I think I only have channels 1,6 and 11 available like normal APs.
> Unless perhaps its good to be in the middle and accept interference on the
> main channels (like channels 3 and 9)?
> What have you found to be a good channel selection?
WLAN Channels in the 2.4 Ghz overlap by 80%... so you need a difference of 5
channels to get no overlap at all.
Because of this most times the only used channels are 1, 6 and 11... so you
have three channel which do not jam each other.
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