Hi,
I believe that the topology generation tool generates one value of
noise to be consistent with an older version of TOSSIM.
The way the current version is intended to be used is that you
collect a noise trace in your environment (at least 100 samples long)
and then input this trace into the simulation. There is an
application
tinyos-2.x-contrib/stanford-sing/apps/RssiSample
that will accomplish this.
However, if it is not possible to collect noise samples, one possible
simplification is to repeat the constant noise value from the
generator 100 times. This will mean that the link model will assume a
constant noise value. However, this will lower the quality of the
link simulation. You can also use the example provided,
meyer-heavy.txt.
Thanks,
Tal
> hello
>
> I've generated the two files linkgain.out and topology.out with
> LinkLayerModel.
>
> Topology.out give me a file with the gain between all pairs of nodes
> and the noise for each node.
>
> But , for the noise it give me only 2 values, how can I use these
> values with the addNoiseTraceReading function ? I know that it must
> have at least 100 entries using the addNoiseTraceReading function.
>
> Can somebody give me a link wich fully explain the structure of the
> topology file, values, meaning.... (i've already seen this :
> http://www.tinyos.net/tinyos-2.x/doc/html/tutorial/usc-topologies.html)
>
> best regards
>
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