[Tinyos-help] multihop routing for tinyos2.x and mica2 motes

[Faisal Aslam]

I have not used Tymo myself. I hope someone else in the list could help you.

best regards,
Faisal Aslam

Ellen Shlossberg wrote:
> Hi Faisal,
>
> Thanks for the suggestion. I had tried briefly to install Dymo before 
> but found I was missing some key wirings, among other problems. Do you 
> know if there is an available code example that works (along with .h, 
> config and implementation files)?
>
> Also, right now all 20 motes can talk to each other within one hop. 
> What is a good way to decrease the radio range for the mica2 - say no 
> more than 1 or 2 meters? Is it the CC1000 control? Could you point me 
> to a good help file on correctly implementing the controller?
>
> Thanks again,
> Ellen
>
> On Wed, Jul 29, 2009 at 10:55 AM, Faisal Aslam 
> <aslam at informatik.uni-freiburg.de 
> <mailto:aslam at informatik.uni-freiburg.de>> wrote:
>
>     I will say use tinyOS implementation of Dymo routing
>     (http://docs.tinyos.net/index.php/Tymo). They called it Tymo.
>     Dymo is modified form of AODV. They remove the routes after
>     sometimes if it is not used and there is some timeout for each
>     route maintained.
>     However, you could modify it to fulfill your needs (may be
>     increase the timeout or remove it).
>     They have a variable DYMO_ROUTE_TIMEOUT for the timeout. See their
>     code....
>
>     best regards,
>     Faisal Aslam
>
>
>
>     Ellen Shlossberg wrote:
>
>         Hello All,
>
>         I have been reading through the mailing list and relative
>         papers on multi-hop routing in TinyOS and I am hoping someone
>         can suggest a good and simple implementation. I am using
>         tinyos-2.x with mica2 motes and the options for routing aren't
>         always applicable to both 2.x and mica2. This is a document I
>         found useful on describing the routing types, but it does not
>         specify the locations of files and how to implement the protocols.
>
>         http://db.lcs.mit.edu/madden/html/tinyos-nsdi04.pdf
>
>         My goal is to have around 20 motes turn on, discover routes to
>         each other by talking to their one-hop neighbors, and then
>         maintain this network and notice if any new mote has entered
>         or if an existing one has left. It appears that AODV would be
>         useful, but the routes would have to be retained in a routing
>         table for an extended period (not just for one-time use). What
>         would be the best routing method to use?
>         I have Dissemination and Collection working, but I believe
>         they do not maintain specific routes, but rather used route
>         discovery each time they need to disseminate or collected.
>         I've also read about multiHopRoute - but could not find a
>         specific implementation. Same for LQI and CTP. Do these work
>         with mica2?  Is there a simple way to test these out in a
>         small network of motes - say 4 or 5 motes?
>         Any help is appreciated!
>
>         Thanks,
>         Ellen
>
>         -- 
>         Ellen Shlossberg
>         Columbia University
>         MS Electrical Engineering
>         ------------------------------------------------------------------------
>
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>
>
>
>
>
> -- 
> Ellen Shlossberg
> Columbia University
> MS Electrical Engineering