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RE: [Karlnet] Conversion of SNR values to dB

To: "'Karlnet Mailing List'" <karlnet@WISPNotes.com>
Subject: RE: [Karlnet] Conversion of SNR values to dB
From: "Phil" <phil@succeed.net>
Reply-to: Karlnet Mailing List <karlnet@WISPNotes.com>
Date: Thu, 13 Nov 2003 20:35:59 -0800
List-post: <mailto:karlnet@WISPNotes.com>
I'm toying with some other metrics, not sure if it will be practical but
the clients register with the base and exchange "hello" packets, there
are 3 types: "excellent", "good", and "low".  I think the NDIS client
link tests report those numbers too, I have to check and see what they
match up to, but you could average those numbers out and figure out the
average speed that the client is registering with the base, could be a
useful metric for link quality especially if you compared it with SNR.

I've added a graph of this using a quick estimate of how to possibly
calculate that value.


-----Original Message-----
From: karlnet-bounces@WISPNotes.com
[mailto:karlnet-bounces@WISPNotes.com] On Behalf Of Bob Hrbek
Sent: Thursday, November 13, 2003 6:09 PM
To: Karlnet Mailing List
Subject: Re: [Karlnet] Conversion of SNR values to dB

WOW, that is really nice.  care to share? :)

----- Original Message ----- 
From: "Phil" <phil@succeed.net>
To: "'Karlnet Mailing List'" <karlnet@WISPNotes.com>
Sent: Thursday, November 13, 2003 7:28 PM
Subject: RE: [Karlnet] Conversion of SNR values to dB


> Ok here's a few examples:
> 
> http://users.succeed.net/~philliph/karlnet/
> 
> 
> -----Original Message-----
> From: karlnet-bounces@WISPNotes.com
> [mailto:karlnet-bounces@WISPNotes.com] On Behalf Of Ben Polson
> Sent: Thursday, November 13, 2003 12:38 PM
> To: Karlnet Mailing List
> Subject: RE: [Karlnet] Conversion of SNR values to dB
> 
> Thanks Phil.  Sure, I'd love to see what this has produced for you.
> 
> > -----Original Message-----
> > From: karlnet-bounces@WISPNotes.com
> > [mailto:karlnet-bounces@WISPNotes.com]On Behalf Of Phil
> > Sent: Thursday, November 13, 2003 12:33 PM
> > To: 'Karlnet Mailing List'
> > Subject: RE: [Karlnet] Conversion of SNR values to dB
> > 
> > 
> > I'm not sure if it is correct but I've been dividing by 2 and then
> > subtracting 95.  I can show some examples of my S/N graphs that I
> > generate for all of our customers and APs if anyone wants to see
them.
> > (not attached of course)
> > 
> > 
> > -----Original Message-----
> > From: Ben Polson [mailto:bsp@bandwave.net] 
> > Sent: Tuesday, November 04, 2003 11:33 AM
> > To: Karlnet Mailing List
> > Subject: [Karlnet] Conversion of SNR values to dB
> > 
> > Does anyone know the algorithm to convert the INTEGER values
returned
> > from
> > the OIDs for signal and noise into dB values?
> > 
> > A signal value of 86 and noise value of 10 aren't as helpful as the
dB
> > values.  Thanks in advance.
> > 
> > -Ben.
> > 
> > _______________________________________________
> > Karlnet mailing list
> > Karlnet@WISPNotes.com
> > http://lists.wispnotes.com/mailman/listinfo/karlnet
> > 
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