OPTICAL NODE APPARATUS AND SIGNAL SUPERPOSITION METHOD
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Dec 20, 2021
filing date -
Dec 20, 2021
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Abstract
An optical node device includes a modulation amplitude correction unit which generates correction information for correcting an amplitude of a modulated signal based on a control signal so that a superimposition ratio when superimposing the control signal for controlling a subscriber device on an optical signal becomes a desired superimposition ratio; a driver which converts the control signal input from the outside into a modulated signal, and adjusts the amplitude of the modulated signal, using the correction information generated by the modulation amplitude correction unit; and a superimposing unit which superimposes the modulated signal adjusted by the driver on the optical signal.
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