Method and apparatus for a power amplifier predistortion constant time delay
2008
A power amplifier predistortion method and apparatus is based on a constant delay time by using the stored time delay modular addressing method - compensated or memory - the principle of compensation, so that the architecture has an inherent self-calibration of the device a time delay compensation. The architecture using only lookup tables (33) to compensate for non-linear response of the power amplifier (12) and a correction of the delay time of the same apparatus any effects presented. Since the delay time constant characteristic, the pre-distortion design having a wider dynamic range wireless RF signals for processing advantages, may be implemented in a multi-carrier and multi-channel wireless systems.
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