Hi,
Please see my comments below.
> I am creating a sensor network model based on the RadioCountToLed example
> provided in the apps folder. Basically, I want a sink to broadcast beacons
> to all other nodes while those nodes will send back data to the sink
> periodically. It is run under TOSSIM.
Which version of TinyOS/TOSSIM are you using?
>
> 1. I am encountering a large packet loss right now, which is about 30%.
> Does anyone know if this is common or not?
That may be reasonable under certain inputs to the most recent
version of TOSSIM. See the tutorial at
http://docs.tinyos.net/index.php/TOSSIM#Configuring_a_Network
> 2. I found a file named BinaryInterferenceModelC.nc in the tossim lib
> directory. But it seems not to be used in my application. Does anyone know
> how TOSSIM control the packet drop and which source file is responsible to
> random dropping of packets?
BinaryInterferenceModelC.nc was used in prior versions of TOSSIM, I
believe. Currently CpmModelC.nc is used.
Thanks,
Tal
>
> Many thanks!
>
> Pengjun_______________________________________________
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