On Tue, Aug 19, 2008 at 11:21 AM, Thomas Schmid <[EMAIL PROTECTED]> wrote: > This is correct. Your samples go through buffers, and therefore it is > hard to predict the latency each and every sample will have to get > from software to the USRP. I did a study on this a while back. If you > are interested, you can find the paper here: > http://nesl.ee.ucla.edu/document/show/242 > > What you can do though is calculate the minimum and the maximum > latency that the samples will have. Also, I am not sure how far the > mblock and GNU Radio is in regards to timestamping outgoing samples (I > didn't follow the GNU Radio development lately) is, but if you can > tell the USRP when to send out which sample, then you could easily > predict the latency itself.
I believe the TX direction for the m-block/inband signaling in the FPGA works well, but the RX has issues with providing the actual timestamp of the received sample block (which will be fixed soon). Brian _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio