[Ns-developers] 802.11 first changesets to comment on.

[Timo Bingmann]

On Wednesday 07 January 2009 13:40:22 Mathieu Lacage wrote:
> On Wed, 2009-01-07 at 13:35 +0100, Timo Bingmann wrote:
> 
> > > > DefaultValue::Bind ("ns3::JakesPropagationLossModel::DopplerFreq",
> > > >                     StringValue ("0.1"));
> > 
> > No, I used only default values until now. I updated my sample program,
> > but used
> > // doppler frequency shift for 5.15 GHz at 100 km/h
> > jakes->SetAttribute("DopplerFreq", DoubleValue(477.9));
> 
> Federico's scripts all used 0.1. Don't ask me why.

Well, 0.1 doesn't work for me.

> > Is it correct that the Jakes model is invariant in respect to node
> > distance? Then the new plot shows the following probability density
> 
> yes, I believe so.
> 
> >  function:
> > 
> > http://idlebox.net/2008/ns-3-wifi/results/ns-3-main-propagation-loss.pdf?page=4
> > 
> > 
> Looks good. The key for jakes loss is that you want to see the varying
> loss over time. i.e., you should replace distance by time in your graph.
> 
> Mathieu

Updated with two plots by time at different resolutions. The second shows the superimposed oscillators.
Much better this way.

Greetings
Timo