Hi, 
Thank you for reply.
If collision happens, will the receiver get messed up message or nothing?  
And if the CRC field in message equals to 0 (wrong result), does it mean it
get the wrong message?


-----Original Message-----
From: Philip Levis [mailto:[EMAIL PROTECTED] 
Sent: Friday, November 10, 2006 11:20 AM
To: Tie Luo
Cc: Yinying Yang; [email protected]
Subject: Re: [Tinyos-help] collision or interfere in TOSSIM

On Nov 10, 2006, at 5:17 AM, Tie Luo wrote:

> I work on real motes and thus did not use tossim.
> But I guess tossim can simulate interference since it use a SNR  
> model while it does not simulate collision, which is rather difficult.
>

TOSSIM in TinyOS 1.x and in T2 both simulate collisions.

Phil

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