Systems and methods for increasing the effectiveness of digital pre-distortion in electronic communications
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United States of America Patent
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Nov 14, 2017
Grant Date -
Mar 16, 2017
app pub date -
Nov 28, 2016
filing date -
Apr 3, 2014
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Abstract
Various embodiments of communication systems and methods in which the communication system is operative to find, record, and use sets of pre-distortion parameters in conjunction with a pre-distortion procedure, in which each set of pre-distortion parameters is operative to specifically counter distortions produced in a power amplifier by a specific combination of level of input signal power and level of analog gain associated with a transmission path of the communication system. In some embodiments, there is a modulator, a transmission chain, a distortion analysis mechanism, and a pre-distortion mechanism, operative to analyze and modify signals so as to counter signal distortion.
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