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US 2006/0067448 A1Published application
Apparatus and method for performing adaptive equalization in a receiver
OwnerKrishna Thirunagariinventor
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Abstract
A method includes generating an output signal based on an input signal using a filter. The filter provides a transfer function that at least partially compensates for distortion of the input signal. The method also includes adjusting the filter to alter at least one of a zero and a pole of the transfer function based on at least one characteristic of the output signal.
Claims22
A method, comprising:
- generating an output signal based on an input signal using a filter, the filter providing a transfer function that at least partially compensates for distortion of the input signal;
- and
- adjusting the filter to alter at least one of a zero and a pole of the transfer function based on at least one characteristic of the output signal.
A receiver, comprising:
- a filter operable to receive an input signal and generate an output signal, the filter providing a transfer function that at least partially compensates for distortion of the input signal;
- and
- an error generator capable of adjusting the filter to alter at least one of a zero and a pole of the transfer function based on at least one characteristic of the output signal.
An apparatus, comprising:
- an error generator capable of adjusting a filter used to produce an output signal, the filter comprising a plurality of stages, the error generator capable of adjusting the filter by altering at least one of a zero and a pole of a transfer function provided by the filter based on at least one characteristic of the output signal;
- and
- a selector capable of selecting an output from one of the plurality of stages in the filter as the output signal.
Dependencies are inferred from the claim text.