Yes. Collisions can occur. However, as you said usually CSMA/CA is used. If you are using CC242-based mote then CSMA/CA protocol works according to IEEE 802.15.4 MAC/phy spefication.
Manjunath D ################################################################################################################ *************************************************************************************************************** On Thu, 4 Feb 2010, Kiraneet sharma wrote: > I also have these questions. Please let me know the correct anwers too. > But I guess collisions do occur and simple CSMA protocol is followed. > > Message: 8 > Date: Thu, 4 Feb 2010 07:51:57 +0530 > From: MALINI MANOHARAN <[email protected]> > Subject: [Tinyos-help] Reg base station > To: [email protected] > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > Hi all, > > How does the base station receive the messages from all the sensor > nodes within its range without collision? Any registers involved in this to > store the data packets received? > May be this question doesnt suit this mailing list. But someone who > knows the answer can help me with it. Plz help...I am confused with it. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > https://www.millennium.berkeley.edu/pipermail/tinyos-help/attachments/20100204/c3d7bde5/attachment.htm > _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
