Patent ID: 6850114

Claim:
A method for linearizing output signals from an inherently non-linear device producing intermodulation or non-linear products in its output signals as response to input signals, characterized by the steps of: defining and optimizing a post-distorter by post-detection of an output signal of the non-linear device directly to optimize the output signal from the inherently non-linear device to be in accordance with the input signal; using the actual output signal as input for an optimization procedure directly for canceling intermodulation or non-linear products in the output signal in a post-distortion procedure defining a post-distorter producing a desired removal of the intermodulation or non-linear products in the output signal from the post-distorter, and thereby using a copy of an optimized post-distorter as a pre-distorter in front of the inherently non-linear device to thereby from the inherently non-linear device achieve an improved output signal.