offtopic question about high density wifi

[david at lang.hm]

On Mon, 25 Jan 2010, Chris Ball wrote:

> Hi,
>
>   > Yes - APs often have a limit.  The limit is not defined by any
>   > kind of specification. It depends on the AP.
>
> I think I recall that brief testing with a bunch of consumer access
> points at OLPC showed that this number was usually above 15 clients
> and below 30 clients, per AP, at 54Mbps.
>
> For hosting hundreds of devices, you should look into getting many
> access points that each have three omni-directional antennas working
> on non-overlapping channels.  The PyCon wifi team does a write-up
> about their setup each year, which seems to contain more information
> than anyone could need:
>
> http://www.tummy.com/Community/Articles/pycon2007-network/
> http://www.tummy.com/Community/Articles/pycon2008-network/
> http://www.tummy.com/Community/Articles/pycon2009-network/

I've read through these, and they have a lot of useful info. I do have 
good RF experiance (and even some halfway decent tools for looking at 
things), but I didn't know what, if any limits there were on the number of 
clients other than what can be supported by the available airtime.

David Lang