Filter co-processor

Details Filter co-processor Filter co-processor

1996-10-04

1999-05-18

Bocure, Tesfaldet

Pulse or digital communications

Equalizers

375343, H03H7/30

Patent

active

059057572

ABSTRACT:
A filter co-processor within a Digital Signal Processor (DSP) takes advantage of the orthogonal nature of modulated signals during the equalization process. Since, after reception, only certain real/imaginary values of the received signal are useful for demodulation, the filter co-processor only processes those values to estimate the transmitted signal. By processing only those values useful for demodulation, the filter co-processor is able to process more information in a given amount of time, leading to increased processing when compared to the prior art.

REFERENCES:
patent: 4716577 (1987-12-01), Oexmann
patent: 4868868 (1989-09-01), Yazu et al.
patent: 5031193 (1991-07-01), Atkinson et al.
patent: 5063573 (1991-11-01), Langewellpott
patent: 5245611 (1993-09-01), Ling et al.
patent: 5251233 (1993-10-01), Labedz et al.
patent: 5267264 (1993-11-01), Shlenker et al.
patent: 5283780 (1994-02-01), Schuchman et al.
patent: 5400271 (1995-03-01), Himeno
patent: 5499272 (1996-03-01), Bottomley
patent: 5513223 (1996-04-01), Shoji

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