Hi Vanessa, If you are using a random number generator, remember to save and re-use the same 'seed' and also to reset it to the beginning of each run.
Mike M0MIK On 29 January 2013 09:47, Vanessa Gardellin <vanessa.gardel...@iit.cnr.it>wrote: > Yes, we are using a throttle but when we execute the same python file > we obtain always different outcomes. > We would like to have repeatable experiments. > Any tips? > > Thank you > Vanessa > > On Mon, Jan 28, 2013 at 5:46 PM, Mike Jameson <mikej...@gmail.com> wrote: > > Hi, > > > > Make sure you are using a 'throttle' block. Have a look at the following: > > > > http://gnuradio.org/redmine/projects/gnuradio/wiki/Simulations > > > > > > Mike > > M0MIK > > > > On 28 January 2013 16:40, Vanessa Gardellin < > vanessa.gardel...@iit.cnr.it> > > wrote: > >> > >> Dear all, > >> we are experiencing an undesired random behavior when we run an > >> offline OFDM flow graph. > >> Specifically, we store a transmitted sequence of packets in a *.dat > >> file (file_sink) and then we run the receiver chain using always the > >> same file as source (file_source). > >> > >> Repeating several times the same run using the same source file, we > >> get a varying number of received right/wrong packets. > >> > >> Is there an explanation to this behavior? > >> How can we generate a repeatable experiment? > >> > >> > >> Regards, > >> Vanessa > >> > >> _______________________________________________ > >> Discuss-gnuradio mailing list > >> Discuss-gnuradio@gnu.org > >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > > > > -- > Vanessa GARDELLIN, Ph.D. > Researcher > Institute for Informatics and Telematics (IIT), > Italian National Research Council (CNR) > Via G. Moruzzi 1 > 56124 Pisa - ITALY > Phone: +390503158297 > Room: B65/c > E-mail: vanessa.gardel...@iit.cnr.it > WWW: http://www.iit.cnr.it/staff/vanessa.gardellin/ > Skype: gardellin.vanessa >
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