Architecture for multi-channel digital signal processing

Details Architecture for multi-channel digital signal processing Architecture for multi-channel digital signal processing

2004-12-29

2008-09-30

Kim, Kevin Y (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

Reexamination Certificate

active

07430258

ABSTRACT:
The present invention is directed to a multi-channel signal processing system that includes a fast Fourier transform (FFT) module configured to perform an FFT using a first channel time domain sample as the in-phase component of a complex signal input, and by using the second channel time domain sample as a quadrature component of the complex signal input. The FFT module provides a complex signal spectrum. A channel processing module is coupled to the FFT module. The channel processing module is configured to extract a channel sample spectrum as a function of the complex signal spectrum. A channel equalization module is coupled to the channel processing module. The channel equalization module is configured to multiply the channel sample spectrum by a channel reference spectrum to obtain a correlated and equalized channel sample spectrum.

REFERENCES:
patent: 6128334 (2000-10-01), Dapper et al.
patent: 2006/0165199 (2006-07-01), Takemoto et al.

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