No subject


Tue Jan 17 15:36:28 EST 2012


modulation and extra sig/noise required.

Modulation Techniques
 Barker (1Mbps/0db)
Barker (2Mbps/3db)
CCK (5.5Mbps/5.5db)
PBCC (5.5 Mbps/1.5db)
CCK (11Mbps/8.5db)
PBCC (11Mbps/4.5db)
PBCC (22Mbps/8.5db)

Ben.


> Doesn't look like dlink wants to say what their receive sensitivity
> spec. is in order to operate at 22mb/s (or any other speed for that
matter)
>
> Anyone manage to find this info?
>
> >Hi Vak, David, and Pascal (if you're reading :),
> >
> >Firstly well done David & Pascal, the use of a 'stink stick' to get the
> >job done was a brilliant idea! ;)
> >
> >According to
> >http://melbourne.wireless.org.au/nodes/compare.php?id_1=FKY&id_2=GIS it
> >says you two have an SOM of 25.42 dB. I thought this was a little high,
> >so I recalculated it using specs out of the DWL-900AP+ spec sheet from
> >dlink.com.au. I couldn't find the RX sensitivity, so I guessed it was
> >around average (-80dBm). I came up with an SOM of 16.5 dB, with
> >worst-case cable (3dB). You may want to update your locfinder details..
> >I can forward you my excel calc sheet if you like.
> >
> >Regardless of that, surely there can't be so much noise in your area to
> >cause 5.5 Mbps to be the highest rate, unless I'm missing something? If
> >you can't get 22 Mbps with the stock antennas, and the access points
> >sitting a few metres apart (with nothing in between), there must be
> >something wrong with one (or both) of the devices?
> >
> >
> >
> >
>
>
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>
>



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