Fault Recovery Arrangements TRIZ Cases
- Redundant APD Bias Timing for LIDAR Blinding Mitigation
Time-delayed and off-axis redundant APDs reduce saturation blinding, improving hidden pulse detection in multi-return LIDAR signals.
- Passive Fiber Network Monitoring With Low-Power LoRaWAN Alerts
Low-power LoRaWAN sensors detect box opening, movement, temperature, and optical power anomalies for faster fiber network maintenance.
- Optical Network SNR Visualization for Segment-Level Impairment Diagnosis
Segment-level SNR visualization quantifies baseline-to-current noise changes, helping operators pinpoint the components driving optical service degradation.
- Service Path Routing With Shared Link-Failure Protection
Shared protection paths and Steiner graph routing maintain service continuity after multiple link failures while reducing network resource use.
- Optical Channel Auto-Squelching With ASE Holders for Spectrum Tilt
Problematic optical channels are auto-squelched and replaced with ASE holders to prevent spectral tilt and keep new traffic addable.
- Network Facility Alarm Pattern Monitoring for Repetitive Alerts
Repeated abnormality and recovery alarms can overwhelm maintenance teams; this case extracts patterns and matches past causes to focus notifications.
- Network-Based Backup Battery Control Using Traffic Profiles
A monitoring server uses traffic profiles to manage backup battery power modes, reducing battery thrashing and supporting smaller batteries.
- Expedited Acquisition Engine for Coherent Optical Receiver Recovery
An expedited acquisition engine uses memory-oriented architecture to store pre-calculated dispersion maps and equalizer coefficients.
- Optical Ethernet Remote Recovery via Signal Pattern Counting
A system recovery controller detects repeated signal patterns to trigger remote reset commands for optical Ethernet devices.
- Optical Waveguide Testing Apparatus for Electro-Optical PCBs
Parallel light bar projection automates alignment of optical waveguides, resolving the trade-off between measurement precision and testing speed.
- Laser Diode Health Monitoring in Optical Transceivers
Machine learning compares real-time laser data against failure profiles to preemptively identify degradation and mitigate network disruptions.
- Redundant Reconfigurable Optical Transceiver for AOC Reliability
A reconfigurable electro-optical connector redistributes datalinks across redundant transducer channels to maintain active optical cable operations.
- Optical Amplifier Channel Monitor for Power Balance
Channel monitor detects labeled channel count and spectral distribution to adjust amplifier gain, preventing power imbalances from fiber cuts.
- Subsea Homing Vehicle Cable Deployment and Repair
Autonomous homing vehicles localize and dock with subsea data repeaters to deploy fiber optic cables.
- Optical Fiber Monitoring via Light Sampling and Comparison
A computing device compares sampled light values against references to identify root causes of fiber failures without complex redundant detectors.
- Multi-Channel Optical Module Wavelength Debugging
A multi-channel optical module determines optimal thermoelectric cooler temperature to align working wavelengths within filter passbands.
- Communication Bypass Apparatus for High-Performance Computing
Service processor detects lane errors and reallocates resources via bypass paths, preventing link deactivation in high-performance computing systems.
- Optical Communication Device Abnormal Light Emission Prevention
An optical communication device prevents abnormal light emission using a control unit and prevention unit.
- Optical Network System Failure Switching
- Transceiver Self-Monitoring for Optical Power Fault Prediction
Self-service monitoring detects port flapping and signal attenuation trends, predicting failures before they impact network availability.