[Tinyos-help] Tree Creation Using Motes

[Pablo Gil Montaño]

MultiHopRouter in tinyos-1.x/tos/lib/Route and LQIMultiHopRouter in tinyos-1.x/tos/lib/MultiHopLQI build a collection tree.

As far as I know, LQIMultiHopRouter works on tmote motes but not in mica. MultiHopRouters works in mica motes. They both build a tree in which mote programmed with ID=0 is the sink. By using Send interface, allo the motes can send information to the sink node.

Surge and SurgeTelos provide examples of how to wire MultiHopRouter and LQIMultiHopRouter respectively.



----- Mensaje original ----
De: Prem Krishnan <premzmailbox at gmail.com>
Para: tinyos-help at Millennium.Berkeley.EDU
Enviado: jueves, 14 de diciembre, 2006 16:05:45
Asunto: [Tinyos-help] Tree Creation Using Motes

hi,

I'm trying to implement an algorithm for the aggregation of data collected by sensor nodes. As part of the implementation we have a certain no. of nodes reporting sensed values to aggregation nodes which form a tree. Are there any TinyOS applications that might already be building a tree using sensor nodes. Essentially I need some sort off Handshaking (sequence of BEACON, PROBE & JOIN messages) between nodes and for a binary tree to be formed as a result. If someone could throw some light as to how I could go about doing this incase there aren't any developed components that I could use, I would be extremely grateful. To that effect I know that using defferent handler ids I could differentiate the 3 msgs. However, I'm concerned abt. specific issues like when how a node would deal with a situation where a parent node tries to join its own child node as a child.


thanks,
prem

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