Hi, My average for 10 experiment for RTT between two motes in 16.2 ms. However, I have used JCreate motes of Sentilla (they are similar to TelosB) I have not tried more than two mote. If you want I can send you my code.
best regards, Faisal Aslam ---- http://cone.informatik.uni-freiburg.de/people/aslam University of Freiburg Arik wrote: > Hi, > > I was wondering if somebody has measured an RTT? > I'm using telosb motes (tmote sky). > > Scenario: > > t_send = call LocalTime.get() > AMSend.send(ping_req) > Receive.receive(ping_rply) > t_rcv = call LocalTime.get() > > RTT = t_rcv - t_send > > The results that I get are: > 1 hop (2motes) = Min = 17, Max = 34, Average = 26.15 > 2 hops (3motes) = Min = 32, Max = 57, Average = 44.7 > 3 hops (4motes) = Min = 50, Max = 80, Average = 62.81 > 4 hops (5motes) = Min = 65, Max = 99, Average = 81.64 > 5 hops (6motes) = Min = 76, Max = 121, Average = 101.36 > > I sending a one byte data message. > > All the results are in [mili seconds]. > > It looks pretty consistent - about 20mSec for each hop. > I'd like to decrease these times. > Can anyone share his results? > > Thanks, > Arik > > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > > _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
