Dan
The S/R is from 7 to 15 dBi this is one the low side. What is the system
design from customer to AP? Somewhere we need to get the S/R to a stable
20ish to increase performance.
Sincerely
Tony Morella
Demarc Technology Group
Office: 908-996-7995
Cell: 908-246-9170
Fax: 908-847-0202
email: tony@demarctech.com
http://www.demarctech.com
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Yahoo IM: tonymorella
Wireless Solution Provider
> -----Original Message-----
> From: karlnet-admin@WISPNotes.com
> [mailto:karlnet-admin@WISPNotes.com] On Behalf Of Dan Metcalf
> Sent: Sunday, December 15, 2002 6:25 PM
> To: karlnet@WISPNotes.com
> Subject: RE: [Karlnet] Strange retransmit problem
>
>
> Kevin,
>
> On the link we see a huge # of re-trans, the Signal is about
> -75dBm and noise varys from -82dBm to -90dBm
>
> Dan Metcalf
> Wireless Broadband Systems
> http://www.wbsysnet.com/
> 877-685-0578
> dan.metcalf@wbsysnet.com
>
>
> > -----Original Message-----
> > From: karlnet-admin@WISPNotes.com
> [mailto:karlnet-admin@WISPNotes.com]
> On
> > Behalf Of Kevin Knuth
> > Sent: Sunday, December 15, 2002 4:54 PM
> > To: karlnet@WISPNotes.com
> > Subject: RE: [Karlnet] Strange retransmit problem
> >
> > Chris,
> >
> > I agree with your point about not needing to fix a constant
> situation.
> >
> > I would be much more interested in Signal level in dBm as
> opposed to
> > signal to noise ratio. And since the interference seems to be
> > intermittent I
> am
> > wondering why you are having problems. Have you noticed (I am too
> lazy on
> > a
> > Sunday to go back and read this whole thread!) any issues on the
> ETHERNET
> > side of the unit? AND, this particular client, any idea
> what kind of
> data
> > he is trying to move when the problems occur? And do you use
> throttling?
> >
> > Just curious.....I will have to have tech support work with you to
> really
> > try to find a solution.
> >
> > Kevin
> >
> >
> >
> > -----Original Message-----
> > From: karlnet-admin@WISPNotes.com
> [mailto:karlnet-admin@WISPNotes.com]On
> > Behalf Of Chris Conn
> > Sent: Sunday, December 15, 2002 4:12 PM
> > To: karlnet@WISPNotes.com
> > Subject: RE: [Karlnet] Strange retransmit problem
> >
> >
> > On Sun, 15 Dec 2002, Kevin Knuth wrote:
> >
> > > The TurboCell algorithm is pretty complex, so I am not sure of the
> > "delay
> > or
> > > timeout" before it moves on.
> > >
> > > However, you must realize the forcing TurboCell to "not
> wait" has an
> > effect
> > > too! I just wonder if the benefit outweighs the other possible
> effects
> > on
> > > performance. A question that WISPs have to ask themselves is how
> many
> > links
> > > do they have that have less then great signal? Most
> WISPs run with
> very
> > > marginal links. If we tell TurboCell to ignore those, they may as
> well
> > close
> > > up shop!
> >
> > Hello,
> >
> > As I said, this problem only occurs for a few minutes,
> where a single
> > satellite is hogging all resources. No other satellites get polled.
> I
> > don't believe that this "fix" would necessarily have to take into
> account
> > a constant situation but rather a particular case where the
> satellite
> is
> > obviously not sending something back to the base and it
> gets stuck. I
> > don't see how it can be considered normal that a satellite can cause
> an
> > entire multipoint setup to become unuseable for a number of minutes.
> >
> > As for marginal, during one of these "problems", I had 20db+ SNR on
> either
> > the base or the satellite, therefore I doubt it is a noise
> issue. And
> the
> > satellites in question have less than 2% retransmits at any
> given time
> > other than these particular incidents where we have several
> thousand %
> of
> > retransmit.
> >
> > Chris
> >
> >
> > _______________________________________________
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> > Karlnet@WISPNotes.com
> > http://lists.wispnotes.com/mailman/listinfo/karlnet
> >
> > _______________________________________________
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> > Karlnet@WISPNotes.com
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