A new adaptive baseband pre-distortion algorithm for linearization of power amplifiers, application to EDGE-GSM transmitters

Abstract

This paper presents a new adaptive pre-distortion algorithm for linearization of Power Amplifiers and its application to EDGE-GSM transmitters. The pre-distortion system is polynomial. The criterion is minimisation of EVM (Error Vector Magnitude) evaluated on equalised signal. The analytic expression of the gradient of the criterion has been calculated. A… (More)

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