EQUALIZER/FORWARD ERROR CORRECTION AUTOMATIC MODE SELECTOR

An apparatus for automatically selecting one of a standard decision directed mode and a soft dd mode in a decision feedback equalizer for receiving a data signal includes an equalizer utilizing forward error correction for providing first and second output signals corresponding to a DFE automatic sw...

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Hauptverfasser:	PARK, JEONGSOON, GELFAND, SAUL, BRIAN, HEO, SEO, WEON, MARKMAN, IVONETE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS MULTIPLEX COMMUNICATION PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PULSE TECHNIQUE RESONATORS TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator	PARK, JEONGSOON GELFAND, SAUL, BRIAN HEO, SEO, WEON MARKMAN, IVONETE
description	An apparatus for automatically selecting one of a standard decision directed mode and a soft dd mode in a decision feedback equalizer for receiving a data signal includes an equalizer utilizing forward error correction for providing first and second output signals corresponding to a DFE automatic switching mode and a soft automatic switching mode, respectively, and a comparator for comparing byte error rates of the first and second output signals for selecting as a superior mode that mode associated with a lower ByER and outputting the output signal with the lower ByER. A lock detector provides a lock signal derived from the DFE output signal with the lower ByER and a mode switch selectively places the DFE outputs in one of the dd modes or a blind mode, depending on the lock signal.
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subjects	BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS MULTIPLEX COMMUNICATION PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PULSE TECHNIQUE RESONATORS TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title	EQUALIZER/FORWARD ERROR CORRECTION AUTOMATIC MODE SELECTOR
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