[AG-TECH] RAT over wireless

Fred Dech fdech at uchicago.edu
Tue Apr 11 12:11:08 CDT 2006

Hey Brian.

Thanks for your reply.
We've determined that the network is the culprit.
I'm going to suggest that they give Piers's redundancy suggestion a try.
Hopefully that will improve things to an acceptable level.


On Mon, Apr 10, 2006 at 05:23PM, Brian Corrie said:
> I use AG over wireless quite often, with both audio and video. It works 
> fine for the most part. If there are problems I would hazard a guess 
> that it is a wireless network issue. Either lots of wireless traffic, 
> overloaded Access Points (too many connections) and/or poor signal 
> strength for the wireless (too far from an AP).
> Brian
> Piers O'Hanlon wrote:
> >Hi
> >>I've got a collaborator running into problems with  RAT point-to-point
> >>tests over a wireless grid network.  I don't see that the 2 systems they
> >>are using are an issue, since they are standard PCs and there are no RAT
> >>audio problems over their regular networks.
> >>
> >RAT runs fine over Wireless unless there's a lot of loss - do you see
> >loss of packets over the wireless? (check the reception quality
> >matrix). If you're seeing loss you could try enabling rendundancy in
> >menu->transmission. Typically a 802.11b or g or less are fine. If
> >you;re using multicast there may be issues due to the AP - though it
> >usually works ok on most APs unless there's alot of multicast.
> >
> >Piers.
> >
> >>There's apparently enough latency, jitter, packet-loss over the wireless
> >>network to cause RAT audio to cut in and out.  I checked with them to
> >>make sure that silence suppression is disabled.  It is, so that isn't
> >>contributing to the problem.
> >>
> >>Are there any less-obvious RAT configuration changes that may help 
> >>decrease
> >>audio breakup over this lower than spec network?  No VICs are being run in
> >>their current testing.
> >>
> >>Thanks.
> >>
> >>--fred
> >>
> >>
> >

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