ADAPTIVE NOISE-PREDICTIVE PARTIAL-RESPONSE EQUALIZATION FOR CHANNELS WITH SPECTRAL NULLS

ADAPTIVE NOISE-PREDICTIVE PARTIAL-RESPONSE EQUALIZATION FOR CHANNELS WITH SPECTRAL NULLS

The present application makes use of a novel adaptive noise-predictive parti al-response equalization scheme for channels (30) exhibiting spectral nulls and/or near nulls. The noise-predictive partial re sponse (PR) equalizer employed in the different embodime nts of the present invention consists o...

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Hauptverfasser: MAIWALD, DIETRICH, ELEFTHERIOU, EVANGELOS, CHEVILLAT, PIERRE
Format: Patent
Sprache:eng ; fre
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator MAIWALD, DIETRICH
ELEFTHERIOU, EVANGELOS
CHEVILLAT, PIERRE
description The present application makes use of a novel adaptive noise-predictive parti al-response equalization scheme for channels (30) exhibiting spectral nulls and/or near nulls. The noise-predictive partial re sponse (PR) equalizer employed in the different embodime nts of the present invention consists of a linear PR equalizer (32) which shapes the channel response to a predetermined partial-respons e function, followed by a linear predictor. This scheme modifies the output se quence of said linear partial-response equalizer (32) by whitening the total distortion, i.e. by whitening the noise components and t he residual interference components at said linear PR eq ualizer output, thereby achieving the best possible signal-to-noise ratio (SNR) befo re detection.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title ADAPTIVE NOISE-PREDICTIVE PARTIAL-RESPONSE EQUALIZATION FOR CHANNELS WITH SPECTRAL NULLS
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