DIGITAL PRE-DISTORTER FOR NON-LINEAR ELECTRONIC DEVICES
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United States of America
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Feb 13, 2025
app pub date -
Dec 22, 2021
filing date -
Dec 22, 2021
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Abstract
There is provided mechanisms for operating a digital pre-distorter for a non-linear electronic device. A method comprises receiving an input signal destined to be input to the non-linear electronic device. The method comprises selecting, for basis functions that represent input-output characteristics of the non-linear electronic device, a set of tap delays. The set of tap delays is selected using a block orthogonal matching pursuit algorithm. The method comprises obtaining an output signal by subjecting the input signal to a linearization function defined by the basis functions with the selected set of tap delays. The method comprises providing the output signal as input to the non-linear electronic device.
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