Systems and Methods for Determining Noise Components in a Signal Set
AssigneeLSI Corporation
InventorsGeorge Mathew, Shaohua Yangca, Yuan Xing Li, Hongwei Song
Life of this patent
Estimating the term…
Abstract
Various embodiments of the present invention provide systems and methods for estimating noise components in a received signal set. For example, one embodiment of the present invention provides a noise estimation circuit that includes a data detector circuit and a noise component calculation circuit. The data detector circuit receives a series of data samples and provides a detected output, and the noise component calculation circuit provides an electronics noise power output and a media noise power output each calculated based at least in part on the detected output and the series of data samples.
Claims20
A method for noise component estimation, the method comprising:
- receiving a data input;
- applying a data detection algorithm by a data detection circuit to the data input to yield a detected output;
- calculating a set of noise prediction coefficients based at least in part on the data input;
- calculating a partial correlation value based at least in part on the data input;
- calculating an error power value based at least in part on the data input and the detected output;
- calculating a noise power value based on both the error power value and the partial correlation value;
- and
- calculating an electronics noise value based at least in part on the noise power value.
A method for noise component estimation, the method comprising:
- applying a data detection algorithm to the data input to yield a detected output;
- calculating a set of noise prediction coefficients using a calculation circuit based at least in part on the data input;
- calculating a partial correlation value based at least in part on the data input;
- calculating an error power value based at least in part on the data input and the detected output;
- calculating a noise power value based on both the error power value and the partial correlation value;
- and
- calculating an electronics noise value based at least in part on the noise power value.
Dependencies are inferred from the claim text.