DSL Port Synchronization Verification Using Emergency Profile
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Solution Overview
Problem
Current methods for verifying DSL port synchronization lack the ability to accurately determine the start time of the synchronization process and cannot diagnose issues when standard parameters fail to establish synchronization, leading to errors and inability to assess which configuration parameters are causing problems.
Innovation Solution
A method that configures the port in a Loop Diagnostic Mode, activates an emergency profile with reduced bitrate settings, and repeatedly reads synchronization attempt counters to determine the synchronization status, allowing for accurate diagnosis and reconfiguration if synchronization is not achieved.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standard parameters are used to verify synchronization, then the verification process is simple, but measurement errors occur due to incorrect timing of parameter reading
Solution Approach 1:
The patent implements a feedback mechanism by continuously monitoring the synchronization status and adjusting the verification approach based on whether synchronization is detected. The system reads the synchronization status parameter multiple times at different moments and uses the feedback from these readings to determine the actual synchronization state, thereby eliminating timing-related measurement errors while maintaining operational simplicity.
Solution Approach 2:
The patent applies preliminary action by performing multiple preliminary readings of the synchronization status parameter before making a final determination. Instead of relying on a single reading that might be taken at an inappropriate moment, the system conducts several preliminary checks at different time points to ensure accurate detection of the synchronization state.
2Productivity
If a single parameter reading is performed, then the verification process is fast, but the ability to diagnose synchronization issues is insufficient
Solution Approach 1:
The patent segments the verification process into multiple independent reading operations performed at different time points. Instead of a single comprehensive check, the system divides the verification into several discrete status readings, each providing specific information about the synchronization state at a particular moment. This segmentation enables both rapid individual checks and comprehensive diagnostic capability when combined.
Solution Approach 2:
The patent implements periodic action by performing repeated readings of the synchronization status parameter at regular intervals. This periodic monitoring approach maintains high productivity through efficient timing while accumulating sufficient data to diagnose synchronization issues, as the periodic readings capture the dynamic nature of the synchronization establishment process.
3Ease of manufacture
If standard configuration parameters are used, then the setup is straightforward, but the ability to adapt to synchronization failures is limited
Solution Approach 1:
The patent applies dynamics by making the verification process adaptive rather than static. The system dynamically adjusts its verification strategy based on the observed synchronization status. When standard parameters fail to indicate proper synchronization, the system dynamically switches to alternative verification methods including reading additional parameters and performing emergency synchronization checks, thereby maintaining ease of initial setup while gaining adaptability to failure scenarios.
Solution Approach 2:
The patent implements parameter changes by modifying the verification approach based on the synchronization status. When standard parameters indicate failure, the system changes to reading different parameters (such as Full Initialisation Counter and Failed Full Initialisation Counter) and adjusts the verification threshold criteria. This parameter changes approach maintains straightforward initial configuration while providing versatile response capabilities to various synchronization failure modes.
Data Source
Figure 1
AI summary
The invention relates to the method for verifying the port synchronisation, wherein, successively, the port is configured (1) and the information about the inactive the emergency profile is recorded (2), at least one of the parameters is read (3) and the time of reading of these parameters is recorded (3). There are read (4) the values of the administrative status and the operational status of the port, and when the values are not equal to the reference value UP and when the difference between the current time and the time measured at the step (3) of reading exceeds the predefined threshold, the parameter concerning the number of synchronisation attempts is re-read (7). The information about the absence of synchronisation is transmitted (8) to the unit that issues measurement requests, the read values of parameters associated with the numbers of synchronisation attempts at different times are compared (9) and the information about the state of the port is transmitted (10) along with instructions. Next it is checked (11) whether the emergency profile is activated on the port.