It is very difficult to tell what is going on from the outside. what I've done with complicated situations like this is add instrumentation (logging) of various state in nodes.
that is what I would recommend. I don't see anyway around it. On Tue, Jul 10, 2012 at 1:16 PM, Xiaohui Liu <[email protected]> wrote: > Hi everyone, > > I'm using FTSP of T32khz accuracy (i.e., TimeSync32kC) to synchronize a > network consisting of 130 telosB motes. Multiple runs are tested and skews > after synchronization are recorded. In some runs, the skew is incredibly > large, up to 56%. In others, it is below 0.0045%, which can be regarded > as normal. Does anyone know what might be causing this issue? One > observation is that regardless of the skew in a run, all nodes report > almost identical skews. > > Your reply will be greatly appreciated. > > -- > -Xiaohui Liu > > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > -- Eric B. Decker Senior (over 50 :-) Researcher
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