CPC H04B 1/0475 (2013.01) [H04B 2001/0425 (2013.01)] | 20 Claims |
1. A digital predistortion (DPD) arrangement, the DPD arrangement comprising:
a DPD actuator circuit to predistort, using DPD coefficients, at least a portion of an input signal, the DPD coefficients associated with a characteristic of a nonlinear component;
a DPD capture circuit to:
capture, based on a capture cycle timing, multiple portions of a feedback signal, the feedback signal indicative of an output of the nonlinear component;
compute, based on one or more characteristics of the multiple captured portions, one or more criteria for a subsequent capture of the feedback signal; and
perform, based on the one or more criteria, the subsequent capture by capturing a subsequent portion of the feedback signal that satisfies the one or more criteria; and
a DPD adaptation circuit to update the DPD coefficients based at least in part on the subsequent capture.
|