On Tue, Aug 19, 2008 at 02:01:40PM -0400, Geib, Jeffrey (Civilian) wrote: > On Tue, Aug 19, 2008 at 10:27:15AM -0400, Geib, Jeffrey (Civilian) > wrote: > > I have an application where I don't necessarily care what the latency > > is, but I need it to be predictable and/or constant. Is there a way > to > > achieve this with the USRP hardware? > > > > Thanks! > > Latency measured relative to what? > Rx only, Tx only or Tx/Rx? > > Eric > > I am looking for fixed latency from Rx to Tx. I want to take a > continuous stream of input data, process it, and transmit it back out. > The processing needs to know what the precise latency is between the > samples at the DAC and ADC. > > >From the previous replies and Thomas Schmid's analysis, it appears that > this isn't feasible with the current interface. It appears this could > be done with the mblock and inband signaling additions, where then I > could schedule each packet to be output at a known timestamp.
Yes. As soon as George and company get the timestamp issue sorted out, this should work fine. Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
