Optical telecommunications devices, systems, and methods

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United States of America Patent

PATENT NO 10079645
APP PUB NO 20170195063A1
SERIAL NO

15383175

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Optical telecommunications devices, systems, and methods. In some implementations, an optical networking unit (ONU) includes a multi-rate receiver having an operating bandwidth that is selected operationally based on physical layer characteristics of received signals and information received from a MAC. The ONU can also include an upstream laser circuit having an output impedance that differs from a characteristic impedance of a system in which the laser circuit is implemented. The ONU can also include a decision feedback equalizer (DFE) having at least one tap weight that is fixed to facilitate convergence of the DFE when signals received by the DFE would otherwise fail to meet characteristics required for DFE convergence.

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Patent Owner(s)

  • ADTRAN INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Joffe, Daniel M Huntsville, US 69 414

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