Time Stamp Correction for Network Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
When devices connected to different networks integrate, time stamp discontinuity occurs, leading to issues in maintaining real-time data processing quality, as time stamps based on old network time are retained in receiving devices.
Innovation Solution
A time stamp correction apparatus and system that calculates the difference between the received time stamp and current network time, generates a new time stamp based on local time, and adjusts the real-time data packets accordingly to ensure continuous processing without real-time quality loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If network integration is performed by unifying network time to the second network's time, then network time unification is achieved, but time stamp discontinuity occurs in the first network causing loss of real-time data processing quality
Solution Approach 1:
The patent introduces a time stamp correction unit that acts as an intermediary between the network time synchronization mechanism and the real-time data processing system. This unit detects time stamp discontinuities caused by network integration and applies corrective offset values to maintain continuous time stamps, thereby preserving real-time data processing quality while allowing network time unification to proceed.
Solution Approach 2:
The patent changes the time stamp parameter by adding a correction offset value when discontinuity is detected. Instead of maintaining the original time stamp value that would cause discontinuity, the system modifies the time stamp parameter dynamically to ensure continuity, allowing the system to adapt to network integration while maintaining real-time processing quality.
2Stability of the object's composition
If network time is unified to the second network's time, then network time synchronization is achieved, but discontinuity occurs in the first network's time stamps retained in FIFO buffer
Solution Approach 1:
The patent implements a feedback mechanism where the time stamp correction unit continuously monitors time stamps from the FIFO buffer and compares them against the current network time. When discontinuity is detected through this feedback loop, the system automatically calculates and applies correction offset values to restore time stamp continuity, ensuring no information loss occurs during network integration.
3Duration of action of stationary object
If real time packets are retained in FIFO buffer during network integration, then data buffering is maintained, but time stamp based on old network time causes processing interruption
Solution Approach 1:
The patent applies preliminary action by proactively detecting time stamp discontinuities before they affect data processing. The time stamp correction unit monitors packets in the FIFO buffer and applies correction offset values in advance, ensuring that when packets are processed from the buffer, their time stamps are already corrected and continuous, thereby maintaining processing productivity without interruption.
Data Source
AI summary
There is provided a time stamp correction apparatus for being used in an apparatus which receives a packet including real time data and a time stamp based on network time from a network and reproduces the real time data on the basis of the time stamp, the time stamp correction apparatus including: receiving a first packet including the real time data and a first time stamp; successively generating the network time according to synchronous information input from the network; calculating a difference between time by the first time stamp and the network time; successively generating local time; generating a second time stamp based on the difference and the local time; generating a second packet by adding the second time stamp to the real time data; storing the generated second packet into a buffer unit; and conducting output control on the second packet on the basis of the local time.