Pre-distortion method and associated apparatus and non-transitory machine readable medium

A pre-distortion apparatus, comprising:

• a receiving unit, arranged for receiving an input data;
• and
• a pre-distortion unit, arranged for obtaining a pre-distorted output by inputting the input data into a pre-distortion function, wherein the pre-distortion function is determined according to a following power amplifier, comprises:
• an adaptive coefficient generating unit, arranged for deriving a plurality of coefficients respectively corresponding to a plurality of power levels of the pre-distorted output within a specific power level range by utilizing an adaptive algorithm, wherein the plurality of coefficients includes at least a first coefficient and a second coefficient of a function of the power amplifier.

A non-transitory machine readable medium storing a program code, wherein when executed by a processor, the program code enables the processor to perform a pre-distortion method, the method comprising:

• receiving an input data;
• and
• obtaining a pre-distorted output by inputting the input data into a pre-distortion function, wherein the pre-distortion function is determined according to a following power amplifier, comprising:
• deriving a plurality of coefficients respectively corresponding to a plurality of power levels of the pre-distorted output within a specific power level range by utilizing an adaptive algorithm, wherein the plurality of coefficients includes at least a first coefficient and a second coefficient of a function of the power amplifier.