Which is better way for scanning AP channel

ahuguet at cttc.es ahuguet at cttc.es
Thu Apr 5 06:19:25 EDT 2007


I'm not sure that functionality you're asking for exists.

One thing you can do, though, is ensure you select a channel that, at
least, no other AP is using.

You can use the iwlist *interface* scan command in order to have a list of
all AP at reach, as well as the channel they're using. That way you could
know what channel to select, so your AP would be the only one using it,
and theoretically having a level of interference lower than the others.
You wouldn't be safe from external interference sources. That would need
sensing each channel the way you initially wanted that, as I said, I'm not
sure is feasible.

Example of the command usage would be:
iwlist wlan0 scan

I think ap_scan only sets time interval, so it would not be of use for
what you're aiming for.

Hope this information helps you.

> Hello,
>
> I want to improve performance of my wireless lan by selecting channel for
> Access Points. At this stage I would like to configure my network to
> select
> channel only at start one which is less noisy and high signal level.
>
> Which method/way can be better to do so? Will ap_scan mode help me for
> doing
> so? What exactly ap_scan does? Could anybody please guide me for the same.
>
> Thanks in advance.
> Namrata
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