On Fri, Feb 11, 2011 at 11:29 PM, Yogesh BG <yogeshbe...@yahoo.in> wrote: > Dear sir > I am a student of BE in computer sc. I am doing my project in TinyOS > using TOSSIM. I am in bit confusion. First i ll briefly explain the project > please guide me how to do it. > > We follow Clustered WSN where in base station sends encrypted packets to > cluster heads in turn cluster head sends packets to sensor nodes. For > encryption we use RC5 and hashing we use SHA1. > > But the problem is that i am facing problem in creating the CLUSTER. i could > able to send message to cluster head as and when timer fires but when > cluster heads recieves the msg i need to broad cast the msg so that > sensornodes belongs to that cluster only proceesos it. how can i achieve it. > > one more problem is that for sendMsg interface i need to send TOS_MSG > messages but how can i append the hashed value? > > I have attached my module code here please check out. in this i considered > all nodes multiples of 10 as cluster heads. > > and inform me whether there is anything that i can broadcast messages to > only nodes belong to some range.
You should look into clustering algorithms and protocols that have been proposed. You can Google for sensor network clustering protocols. - om_p _______________________________________________ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
