Optical Transceiver Side Channel Parameter Optimization

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Solution Overview

Problem

Optical coherent transceivers require manual configuration and lack automated methods to optimize operational parameters, leading to inefficient performance adjustments and infrequent changes in settings, especially in optical communication systems.

Innovation Solution

Implementing side channel communication between optical coherent transceivers to automatically optimize parameters by sending information over an optical link, using methods such as amplitude modulation, special codes, or unused data fields, enabling real-time adjustments based on performance metrics like bit error rate and Q-margin.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual configuration is used for optical coherent transceivers, then device complexity is reduced, but productivity and adaptability deteriorate due to inefficient performance adjustments and infrequent settings changes

Engineering Contradiction:

Improveperformance adjustment efficiencyVSAvoidconfiguration complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The transceiver system performs self-configuration by automatically determining performance parameters (such as gain, bandwidth, and equalization settings) through side-channel communication of performance metrics between transceivers, eliminating the need for manual configuration while maintaining simplified device operation

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system implements feedback loops where performance metrics (bit error rate, Q-margin, signal-to-noise ratio) are continuously monitored and communicated through the side channel, enabling automatic adjustment of operational parameters to optimize performance in real-time

Inventive Principle:

Principle #23Feedback

2Adaptability or versatility

If side channel communication is implemented for automated parameter optimization, then adaptability and productivity improve, but device complexity increases due to additional communication protocols and processing requirements

Engineering Contradiction:

Improvereal-time parameter optimizationVSAvoidcommunication system complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The side channel communication mechanism serves multiple functions simultaneously: it transmits performance metrics for optimization, carries synchronization information, and enables coordination between transceivers, reducing the need for separate dedicated systems for each function

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the optimization control signals and performance metric transmissions into the existing side channel infrastructure, merging multiple communication needs into a single integrated protocol that reduces overall system complexity

Inventive Principle:

Principle #5Merging (Combining)

3Loss of time

If manual configuration is used, then ease of operation is maintained for simple setups, but loss of time increases due to infrequent changes in settings and inefficient performance adjustments

Engineering Contradiction:

Improvetime for performance optimizationVSAvoidconfiguration simplicity

Core Design Contradiction:

Loss of timeVSEase of operation

Solution Approach 1:

The system performs preliminary determination of performance parameters during initialization through side-channel communication, pre-optimizing settings before actual data transmission begins, thereby reducing the time required for performance optimization during operation

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system maintains continuous monitoring and adjustment of performance parameters through ongoing side-channel communication, ensuring optimal performance is sustained over time without requiring periodic manual reconfiguration, thereby reducing total time for performance optimization

Inventive Principle:

Principle #20Continuity of useful action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables dynamic and optimized setup of transceivers during initialization or while running, improving data transmission efficiency and adaptability to changing conditions without the need for manual intervention.

Implementation Method 1

using methods such as amplitude modulation

Methodology Applied

Scientific EffectAmplitude modulation: Phase Modulation

Data Source

PatentUS11838054B2Side channel communication for an optical coherent transceiver

Publication Date: 2023.12.05 ACACIA TECH INC

AI summary

A method, system and apparatus for optimizing parameters between two optical coherent transceivers connected via an optical link, including determining performance of a second optical receiver; wherein the second optical transceiver uses a set of parameters; and inputting information into a side channel communication between a first optical transceiver and the second optical transceiver to update the set of parameters for the second transceiver.