On Jul 3, 2006, at 7:13 PM, Liu Haibin wrote:
Then is there any plan to implement CC2420 simulation? How accurate
is the current packet level simulation?
Is it because CC2420 only provides packet-level interface, that's
why there's no CC2420 simulation implementation? So how energy
efficient is the hardware implemented MAC in CC2420? Does it mean
there's no B-MAC in CC2420?
I personally don't plan to implement simulation support for the
CC2420. There's a version that was implemented for 1.x which is
reasonably functional but makes a few assumptions which no longer
hold in 2.x; porting it would require some, but not a lot of work. If
someone were to write a TOSSIM port, I'd be happy to check it in.
"Accuracy" is a tough thing to measure. On one hand, the core TOSSIM
interference and propagation model is based off of data from USC; on
the other, its noise model is very simplistic, and so you see much
less variation in TOSSIM than you do in real networks.
Phil
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