Hi, Fairly simple, the FTSP paper was based on the Mica2 (or was it the MicaZ?) which has a higher frequency crystal. You can do a similar thing with the TelosB, but you will have to change some of the code. Search the mailing list. There were long threads discussing how to do that.
Cheers, - Thomas On Fri, Sep 27, 2013 at 6:40 AM, gio919 <[email protected]> wrote: > Hi guys, I'm a newbie in tinyos. I read the FTSP paper and i tested FTSP > following the readme to verify the accuracy. I tested the algorithm on 10 > motes and on the other two motes I used BaseStation and RadiocountToLeds > just like described in the readme and then I followed the readme.matlab. > The > length of experiment was 1 hour and the the average absolute error was > 0.321 > jiffy, and the maximum absolute error was 1.5 jiffy. Now, if a jiffy is > 30.5 > us how can be possible that the error is in the order of micro second when > in the algorithm the used timer is in millisecond? Is it a stupid > question? > > > > -- > View this message in context: > http://tinyos-help.10906.n7.nabble.com/Why-microsecond-accuracy-in-FTSP-with-telosb-tp23558.html > Sent from the TinyOS - Help mailing list archive at Nabble.com. > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >
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