HI I am working on micaz,its for my 4th year project,and I encountered this 
problem that even my profs cant solve it... 
I am trying to send packets between mica z on the mica z radio in a specific 
order so for ex: mica A send a packet to Mica B..
once Mica B receive this packet it sends a packet specifically to Mica C,then 
Mica C receive it and send to Mica D.
Mica A->Mica B->Mica C->Mica D
but sometimes ESPECIALLY when I turn them all at once packet collusion occurs I 
think..
so what happens is that when Mica A send to Mica B.Mica B receive it and sends 
But mica C  and D doesn't receive it even though Mica B is telling me that its 
sending..
I think this might be related to interference between Mica A & B since they are 
sending over the radio using the same frequency for all signals, am not sure 
that's why I am really in need for an explanation..
the WEIRD part is if I turn mica A off then On again then they ALL WORK!! I 
REALLY DONT KNOW WHY THIS FIXES THE PROBLEM

                                          
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