Hi Tao, The problem was because of the collision of the packets. The problem has been solved by using random timer as suggested by Philipp.
Thanks, Vijayant On Nov 27, 2007 11:24 AM, Tao Wu <[EMAIL PROTECTED]> wrote: > Personally, I think you need to know what caused the packet loss > first. it is that due to collision or MAC design? > > On Nov 26, 2007 6:57 PM, Vijayant Bhatnagar <[EMAIL PROTECTED]> > wrote: > > Hello, > > Can anyone help us out please ? My intuition says that we need to > implement > > ARQ kind of implementation in order to broadcast packets reliably. > > > > Any comments ? > > > > Thanks, > > Vijayant > > > > On Nov 26, 2007 12:31 PM, Vijayant Bhatnagar < > [EMAIL PROTECTED]> > > wrote: > > > Hi, > > > We are trying to simulate broadcast environment. Initially we have set > > > up 6 motes trying to send packet to "Master" Node. We have observed > > > that not all 6 motes are able to send the packet. Is it because of > > > backoff problem or some kind of fault with our implementation ? After > > > going through the tutorials, I could realize that there is exponential > > > backoff built in cc2420. In that case, do we need to implement ARQ > > > kind of situation to recover from packet loss. > > > > > > Please help. > > > > > > Thanks, > > > Vijayant > > > Rutgers. > > > > > > > > > _______________________________________________ > > Tinyos-help mailing list > > [email protected] > > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > > >
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