US 7,068,706 B2 · System and method for adjusting phase

Abstract

Systems and methods for adjusting phase of a signal are provided. In one embodiment, the system includes a phase compensator configured for adjusting phase of the signal based on filtered and unfiltered representations of a first component of the signal and based on filtered and unfiltered representations of a second component of the signal. For example, the phase compensator may provide phase adjusted I and Q components of a complex signal through a plurality of multiplications of filtered and unfiltered I and Q components. The system also includes a detector that is communicatively coupled to the phase compensator. The detector is configured for combining the first and the second components with a code sequence to determine a complex amplitude of a channel.

Claims23

Dependent claims

A system, comprising:

a phase compensator configured for adjusting phase of a signal based on filtered and unfiltered representations of a first component of the signal and based on filtered and unfiltered representations of a second component of the signal;
and
a detector communicatively coupled to one or more outputs of the phase compensator and configured for combining the first and the second components with at least one code sequence to determine a complex amplitude of a channel, wherein the detector further comprises:
at least one code sequence generator configured for generating the at least one code sequence that is unique
a first multiplier communicatively coupled to the code sequence generators and configured for combining the first component with one or more of the code sequences to generate a combined first component;
and
a second multiplier communicatively coupled to the code sequence generators and configured for combining the second component with one or more of the code sequences to generate a combined second component.

4 more elements

A system for adjusting phase of a signal, comprising:

means for generating a phase adjusted first component of the signal comprising
first means for multiplying an unfiltered first component of the signal with a filtered first component of the signal to provide a first product,
second means for multiplying an unfiltered second component of the signal with a filtered second component of the signal to provide a second product, and
means for combining the first and the second products in response to the second multiplying means to generate the phase adjusted first component;
and
means for generating a phase adjusted second component of the signal comprising
third means for multiplying the unfiltered second component with the filtered first component to provide a third product,
fourth means for multiplying the unfiltered first component with the filtered second component to provide a fourth product, and
means for combining the third and the fourth products in response to the fourth multiplying means to generate the phase adjusted second component, wherein the means for generating the phase adjusted first component and the means for generating the phase adjusted second component are configured to adjust the phase of the signal.

6 more elements

Dependencies are inferred from the claim text.

System and method for adjusting phase

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System and method for adjusting phase

Life of this patent

Abstract

Claims23