Multiplexer Timestamping for Sensor Timing Synchronization
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Solution Overview
Problem
In disaster scenarios, firefighters' biological information transmission is hindered by timing synchronization issues due to varying network traffic conditions, leading to inaccurate diagnosis and delayed treatment.
Innovation Solution
An information analysis system that uses transmitters with GPS-based time information multiplexing to synchronize biological data from multiple sensors, ensuring timely and accurate analysis of biological information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple sensors are used to increase the accuracy of abnormality detection, then the accuracy of abnormality detection is improved, but timing synchronization between signals becomes difficult to maintain due to network traffic variations
Solution Approach 1:
The patent applies preliminary action by embedding time information (timestamps) into each data packet at the source before transmission. This allows the receiver to pre-calculate and compensate for transmission delays, ensuring timing synchronization is maintained even when network traffic conditions vary. The time information is added in advance to each biological information packet, enabling subsequent synchronization processing.
2Ease of operation
If wireless technology and Internet technology are used for remote diagnosis, then ease of operation is improved, but time differences are generated between signals due to traffic conditions
Solution Approach 1:
The patent implements feedback by using the embedded time information to calculate actual transmission delays and compensate for them at the receiver end. The system continuously monitors the time differences between received signals from multiple sensors and applies correction based on the recorded timestamps, thereby eliminating the time differences caused by varying network traffic conditions while maintaining remote diagnosis capability.
Data Source
AI summary
An input unit inputs detected information that has been acquired by a sensor. By inserting time information into the detected information that has been input, a multiplexer generates an information sequence in which the detected information and the time information are multiplexed in a time-dividing manner. A transmission unit transmits the information sequence. The time information in the multiplexer is used to synchronize timing between detected information included in an information sequence transmitted from another transmitter and the detected information in the multiplexer.