Method and apparatus for performing nonlinearity calibration
AssigneeMediatek Inc.
InventorYung-Hui Chung
Life of this patent
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Abstract
A method for performing nonlinearity calibration includes the steps of: obtaining temporarily values of a plurality of compensation parameters by performing a perturbation-based calibration process on a nonlinear system with at least one predetermined input being applied to the nonlinear system; and updating the compensation parameters by performing the perturbation-based calibration process in an online manner, wherein the temporarily values are utilized as initial values of the compensation parameters for the step of updating the compensation parameters. In addition, the compensation parameters are utilized for controlling a compensation response of the perturbation-based calibration process. An associated apparatus is also provided.
Claims17
A method for performing nonlinearity calibration, the method comprising the steps of:
- obtaining temporarily values of a plurality of compensation parameters by performing a perturbation-based calibration process on a nonlinear system with at least one predetermined input being applied to the nonlinear system;
- and
- updating the compensation parameters by performing the perturbation-based calibration process in an online manner, wherein the temporarily values are utilized as initial values of the compensation parameters for the step of updating the compensation parameters;
- wherein the compensation parameters are utilized for controlling a compensation response of the perturbation-based calibration process.
An apparatus for performing nonlinearity calibration, the apparatus comprising:
- a calibration loop arranged to perform a perturbation-based calibration process, the calibration loop comprising a nonlinear system to be calibrated, wherein a plurality of compensation parameters are utilized for controlling a compensation response of the perturbation-based calibration process;
- and
- an input selector arranged to select at least one input to be applied to the nonlinear system from at least one ordinary input and at least one predetermined input;
- wherein the calibration loop is arranged to obtain temporarily values of the compensation parameters by performing the perturbation-based calibration process on the nonlinear system with the at least one predetermined input being applied to the nonlinear system;
- and
- the calibration loop is arranged to update the compensation parameters by performing the perturbation-based calibration process in an online manner, wherein the temporarily values are utilized as initial values of the compensation parameters for updating the compensation parameters.
Dependencies are inferred from the claim text.