Hi, David. How do you set up such a hidden terminal topology in TOSSIM? Is it a command line option when executing make command or it should be specified in the python file?
Pengjun > How do I replicate this in TOSSIM? Because I've set up a hidden > terminal topology using 3 nodes and the middle node receives both > messages. > > On Thu, Mar 6, 2008 at 6:20 PM, Philip Levis <[EMAIL PROTECTED]> wrote: >> >> On Mar 6, 2008, at 4:55 PM, Yi-Tao Wang wrote: >> >> > As far as I know, there's no radio interference modeling. So it >> > doesn't take care of either problem. It's strange because I thought >> it >> > took care of this in TOSSIM for tinyos 1.x, but I guess they must >> have >> > changed the implementation. >> > >> > David >> > >> > On Thu, Mar 6, 2008 at 12:50 PM, Pengjun Pan <[EMAIL PROTECTED]> >> wrote: >> >> >> >> >> >> Hi. >> >> >> >> Here is a short question. Does TOSSIM have any sort of machanism >> >> to deal >> >> with hidden and exposed node problems? Any reply or clue is >> >> appreciated. >> >> Thanks in advance. >> >> >> >> Er -- it takes care of both cases. The major difference between >> TOSSIM in 1.x and 2.x is 1.x uses a bit-error model with binary >> interference and CSMA, while 2.x uses an SNR-based packet error model >> with SINR-based interference and CSMA. So you get the hidden terminal >> problem, the exposed terminal problem, strongest-first versus >> stronger-second, etc. >> >> Phil >> >> Phil >> > _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
