On May 28, 2008, at 1:10 PM, Omprakash Gnawali wrote: > On Wed, May 28, 2008 at 12:56 PM, funofnet Funofnet > <[EMAIL PROTECTED]> wrote: >> Hi, >> >> I am greatly thankful for your replies, but what I need to know how >> could I >> specify an accurate threshold for any estimator (espacially wmewma >> and prr). >> Is there a formula to apply ?. > > You can do experiments to find out the link qualities and determine > the thresholds so that you don't filter out all the links.
The 55 threshold for CTP essentially means "don't use a link with an ETX above 5.5." This tends to be a reasonably simple way to prevent a node from hammering a link trying to get a packet through. An ETX of 5.5 means a PRR of roughly 18%, which is pretty darn low. Phil _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
