Automatic delay compensation for generating NRZ signals from RZ signals in communications networks
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United States of America Patent
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Mar 6, 2001
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N/A
app pub date -
Nov 20, 1998
filing date -
Nov 20, 1998
priority date (Note) -
Expired
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Abstract
The present invention is a method of automatic delay compensation for use in data transmission, particularly in optical communication systems. The invention presents an inter-coding, real-time automated delay compensation method that minimizes the effects of polarization and inter-symbol interference without expensive dispersion compensation fiber in each data transmission channel. The invention is a simple-to-use, cost effective, single-wavelength method of delayed signal alignment with coarse and fine tuning that while conserving half of the power used to transmit wavelength information in conventional WDM (wavelength division multiplexing) systems.
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