[Tinyos-help] RSSI strength

Philip Levis pal at cs.stanford.edu
Tue Jun 6 09:17:02 PDT 2006


On Jun 5, 2006, at 11:57 PM, Sankar Gorthi wrote:

> well,
>
> makes sense doesn't it? how can you simulate the strength of the  
> recieved signal? i'd imagine it's fairly random.
>
> although, i wouldn't stake anything on it. maybe someone else has a  
> better idea.

You can simulate the strength of a received signal, but TOSSIM in 1.x  
doesn't do so. Rather than consider things like signal strength or  
SNR, it just considers a bit error rate. TOSSIM in 2.0 uses signal  
strengths, with error rates derived from some nice empirical data  
from Bhaskar at USC.

Phil


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