Continuous transmission with USRP B210

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I am looking for an SDR solution for continuous transmission of a given IQ record (transmitting the samples in a loop, send first sample again after the last sample was sent). I am wondering if it is possible to implement such continuous transmission via USRP B210 with UHD? Or, can it be monitored how many samples were lost in a way that would include all cases: samples lost within uhd::tx_streamer::send() call without fragmentation / uhd::tx_streamer::send() call when it handles fragmentation / samples lost between consecutive uhd::tx_streamer::send() function calls (when called repeatedly from while(1) loop)?

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Sure that works. See TX samples from file on how to send continous data. For your case you should set repeat option and delay=0 as command line options.