Patent ID: 7274749

Claim:
A method for linearization of a radio frequency high-power amplifier, comprising: providing adaptive digital pre-distortion of the input signals of the amplifier by determination of correction values, which are approximated from NOMINAL transmission signals and which are detected at the amplifier input; detecting ACTUAL transmission signals at the amplifier output; and deriving continuously I/Q data from the NOMINAL transmission signals in a digital baseband modulator, and deriving I/Q data from the ACTUAL transmission signals at the amplifier output to a measurement device; supplying both of the I/Q data to a neural network for evaluation and for forming correction values; and feeding the correction values which are formed back to the digital baseband modulator, wherein a data stream which emerges from the digital baseband modulator to the amplifier input is pre-distorted with the correction values which are formed in the neural network, wherein edge weights of the neural network are changed in steps for coupling between neurons during the evaluation of the I/Q data, which is derived from the ACTUAL transmission signals at the output of the RF amplifier until the characteristic of the RF amplifier is optimally approximated.