Optical Receiver Waveform Freezing for Transient Fault Capture
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Solution Overview
Problem
Existing optical communication systems struggle to accurately capture and localize transient transmission faults due to the difficulty in obtaining waveform data corresponding to these faults, leading to inefficiencies and quality degradation.
Innovation Solution
An optical receiver with a data processing circuit, memory, and detection controller that dynamically buffers and freezes waveform data when certain performance parameters indicate a transmission fault or quality degradation, allowing for the capture and analysis of transient influence factors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If waveform data is continuously buffered to capture transient faults, then measurement precision of transmission faults is improved, but use of energy increases due to prolonged memory operations
Solution Approach 1:
The system performs preliminary actions by continuously buffering waveform data in advance before faults occur. When a transmission fault is detected through performance parameter monitoring, the buffered waveform data is immediately frozen to capture the transient state, enabling accurate fault analysis without requiring continuous energy-intensive operations after the fault occurs
Solution Approach 2:
The system implements feedback through performance parameter monitoring that continuously monitors transmission quality. When performance parameters indicate a transmission fault or quality degradation, the system triggers the freezing of buffered waveform data, creating a closed-loop mechanism that balances energy consumption with detection accuracy
2Measurement precision
If waveform data is frozen immediately upon fault detection, then measurement precision of transient faults is improved, but loss of time occurs due to data capture delays
Solution Approach 1:
The system continuously buffers waveform data in advance, so when a transmission fault is detected, the data is already ready to be frozen immediately. This preliminary buffering eliminates the need for time-consuming data acquisition during the fault event, enabling rapid capture of transient waveform characteristics
Solution Approach 2:
The waveform data buffering operation continues uninterrupted until a fault is detected, maintaining continuous useful action. Once the fault is detected through performance parameter monitoring, the freezing operation is triggered immediately on the existing buffered data, ensuring minimal time loss while capturing the transient fault state accurately
Data Source
AI summary
An optical receiver includes: a data processing circuit used to receive an optical signal carrying data information and perform a signal processing on the optical signal to obtain the data information and performance parameter(s) for indicating transmission quality of the optical signal; a memory used to dynamically buffer waveform data obtained through the signal processing of the optical signal; and a detection controller used to output a first indicating signal to the memory in a case where the at least one performance parameter satisfies a first condition. The first condition includes that the optical signal has a transmission fault and/or the transmission quality of the optical signal decreases to a first degree. The memory is further used to freeze current waveform data to obtain frozen waveform data in response to the first indicating signal, and the frozen waveform data includes waveform characteristic information of the transmission fault.