Digital Predistortion for ODR-DabMod ==================================== This folder contains work in progress for digital predistortion. It requires: - USRP B200. - Power amplifier. - A feedback connection from the power amplifier output, at an appropriate power level for the B200. Usually this is done with a directional coupler. - ODR-DabMod with enabled dpd_port, and with a samplerate of 8192000 samples per second. - Synchronous=1 so that the USRP has the timestamping set properly, internal refclk and pps are sufficient for this example. - A live mux source with TIST enabled. See dpd/dpd.ini for an example. TODO ---- Implement a PA model that updates the predistorter.