Adaptive filter with GSPT LMS algorithm for reducing complexity

Details Adaptive filter with GSPT LMS algorithm for reducing complexity Adaptive filter with GSPT LMS algorithm for reducing complexity

2007-07-03

2007-07-03

Fan, Chieh M. (Department: 2611)

Pulse or digital communications

Equalizers

Automatic

C370S290000, C370S292000, C375S232000, C375S233000, C375S231000, C375S316000, C375S346000, C381S071110, C708S323000

Reexamination Certificate

active

10250174

ABSTRACT:
A linear
on-linear adaptive filter for transforming an input signal to an output signal. The present invention also includes a novel GSPT LMS algorithm for significantly reducing complexity. The adaptive filter includes a coefficient updater that can execute a Carry-in operation or a Borrow-in operation to adaptively adjust a filtering coefficient according to whether an updating term signal is a Carry-in signal or a Borrow-in signal.

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Y. C. Lim, et al., express the filter coefficient as serum of signed power-of-two in IEEE Transaction on Circuit and Systems IT: Analog and Digital Signal Processing. vol. 46, Issue 5, pp. 577-584, 1999.

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