Method for fast automatic power control of wireless transmitters

摘要

A circuit includes a transmit path to receive an input signal and generate an output signal to be output at a transmit power level according to a power target signal. The circuit also includes a gain corrector to output a signal for adjusting a power level of the output signal to correspond to the transmit power level. The signal for adjusting is based on the power target signal and a delay for time-aligning a first signal and a second signal.

主权项

1. A circuit comprising:
a transmit path to receive an input signal and generate an output signal at a transmit power level according to a power target signal; a gain corrector to output a signal for adjusting a power level of the output signal to correspond to the transmit power level, the signal for adjusting being based on the power target signal and a delay for time-aligning a first signal and a second signal; a transmit gain controller to provide a gain control signal to cause the power level of the output signal to be adjusted based on the gain control signal so that the output signal is output at the transmit power level; a receive path to receive the output signal of the transmit path and generate a received signal; and a gain estimator to output a measured gain signal associated with the transmit path using a first average signal of the input signal during a first estimation window and a second average signal of the received signal during a second estimation window.