Wavelength-Variable Optical Transceiver Automatic Channel Setting
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Solution Overview
Problem
Manually setting channels for multiple optical transceivers in an optical transmission apparatus is time-consuming and prone to errors, especially when a large number of transceivers are involved.
Innovation Solution
An optical transceiver equipped with a wavelength variable transmitting and receiving unit, along with a control unit, autonomously sets channels by transmitting and receiving channel setting optical signals to determine the appropriate channels for signal transmission and reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual channel setting is performed for each optical transceiver, then channel configuration can be accurately controlled, but the time required for setting increases significantly
Solution Approach 1:
The optical transceiver autonomously performs channel setting by transmitting test signals and automatically determining optimal channels based on received signal quality, eliminating the need for manual operator intervention while maintaining accurate channel configuration
Solution Approach 2:
The system transmits test signals and evaluates the quality of received signals to automatically determine the best channel, using feedback from signal quality assessment to make intelligent channel selection decisions without manual input
2Measurement precision
If manual channel setting is performed for multiple optical transceivers, then channel configuration can be precisely controlled, but the complexity of the setting process increases
Solution Approach 1:
Each optical transceiver independently performs its own channel setting by automatically transmitting test signals and evaluating received signals, eliminating the need for complex manual coordination and reducing setting process complexity while maintaining precision
Solution Approach 2:
The channel setting process is divided into independent autonomous operations for each transceiver, with each unit performing self-testing and self-configuration, simplifying the overall system complexity while maintaining precise channel configuration
Data Source
AI summary
A wavelength variable optical transmitting unit is configured to be able to transmit a first channel setting optical signal including first channel information indicating a channel for the first channel setting optical signal. A wavelength variable optical receiving unit is configured to, when the optical transceiver receives a second channel setting optical signal from another optical transceiver, transfer second channel information contained in the second channel setting optical signal and indicating a channel for the second channel setting optical signal. A control unit is configured to control the wavelength variable optical transmitting unit and the wavelength variable optical receiving unit. The control unit sets, based on the second channel information that the wavelength variable optical receiving unit has transferred, a first channel indicated by the second channel information as a channel through which the wavelength variable optical receiving unit receives an optical signal.