A system for power amplifier linearization, comprising: a power amplifier configured to amplify a transmit signal; a linearization device configured to distort the transmit signal before processing by the power amplifier in a digital domain to linearize a transfer function of the power amplifier ; a digital-to-analog converter configured to convert the transmit signal after processing by the linearization device to an analog domain, the transmit signal being amplified by the power amplifier after converting to the analog domain; a coupler for coupling the transmit signal after amplifying by the power amplifier to a transmit port, coupling a receive signal to a receive path, and coupling a portion of the transmit signal after amplifying by the power amplifier to a feedback path as a feedback signal; a signal cancelation system for canceling a linear component of the transmit signal from the feedback signal in an analog domain; an analog-to-digital converter for converting the feedback signal after canceling the linear component of the transmit signal to a digital domain; a signal reconstruction filter for reconstructing the linear component of the transmit signal before distorting in a digital domain; a combiner for combining the reconstructed linear component of the transmit signal with the feedback signal in the digital domain after canceling the linear component of the transmit signal in an analog domain; an echo cancelation filter for generating an echo cancelation signal either from the feedback signal after canceling the linear component of the transmit signal or from the output of the combiner ; and a subtractor for subtracting the echo cancelation signal from the receive signal in a digital domain, wherein parameters for the linearization device are generated based on an output of the combiner . a power amplifier configured to amplify a transmit signal; a linearization device configured to distort the transmit signal before processing by the power amplifier in a digital domain to linearize a transfer function of the power amplifier ; a digital-to-analog converter configured to convert the transmit signal after processing by the linearization device to an analog domain, the transmit signal being amplified by the power amplifier after converting to the analog domain; a coupler for coupling the transmit signal after amplifying by the power amplifier to a transmit port, coupling a receive signal to a receive path, and coupling a portion of the transmit signal after amplifying by the power amplifier to a feedback path as a feedback signal; a signal cancelation system for canceling a linear component of the transmit signal from the feedback signal in an analog domain; an analog-to-digital converter for converting the feedback signal after canceling the linear component of the transmit signal to a digital domain; a signal reconstruction filter for reconstructing the linear component of the transmit signal before distorting in a digital domain; a combiner for combining the reconstructed linear component of the transmit signal with the feedback signal in the digital domain after canceling the linear component of the transmit signal in an analog domain; an echo cancelation filter for generating an echo cancelation signal either from the feedback signal after canceling the linear component of the transmit signal or from the output of the combiner ; and a subtractor for subtracting the echo cancelation signal from the receive signal in a digital domain, wherein parameters for the linearization device are generated based on an output of the combiner . <EOS>