Multi-Interface Port Tag Matching for Asset Platform Detection
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Solution Overview
Problem
Existing telematics systems face challenges in efficiently determining the asset platform of vehicles with multi-interface ports, particularly in identifying and communicating with multiple asset communication protocols and baud rates to gather comprehensive asset data.
Innovation Solution
A telematics device and method that detects tags on multiple interfaces of a vehicle's interface port, determines asset platforms by analyzing tags on primary and secondary interfaces, and selects appropriate asset data queries based on detected tags, using a combination of broadcast data listening and request-based communication to gather vehicle data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the telematics device attempts to detect tags on all possible interfaces using all communication protocols and baud rates, then the asset platform determination accuracy is improved, but the time and computational resources required increase significantly
Solution Approach 1:
The interface port is divided into multiple interfaces, each associated with a specific set of interface pins. The telematics device detects tags on each interface separately rather than attempting all protocols on all pins simultaneously. This segmentation allows the system to methodically check each interface with relevant protocols, reducing overall detection time while maintaining accuracy.
Solution Approach 2:
The system performs preliminary detection of tags on interfaces before attempting comprehensive data collection. By detecting the presence of tags and identifying active interfaces in advance, the system can determine which communication protocols and baud rates are actually in use, avoiding unnecessary detection attempts on inactive interfaces and reducing total detection time.
2Loss of information
If the telematics device checks all interfaces for tag detection, then comprehensive asset data collection is improved, but the device complexity and processing requirements increase
Solution Approach 1:
The interface port is segmented into multiple interfaces, each with its own set of pins and associated communication protocols. This segmentation allows the telematics device to manage complexity by handling each interface independently with its specific protocol requirements, rather than managing all protocols simultaneously across all pins.
Solution Approach 2:
The telematics device is designed with multi-functional capability to detect tags on multiple interfaces using different communication protocols and baud rates. This universal design allows a single device to adapt to various interface configurations and protocol combinations, ensuring comprehensive asset data collection without requiring multiple specialized devices.
3Productivity
If the system attempts communication on multiple interfaces simultaneously, then data collection speed is improved, but the risk of communication conflicts and errors increases
Solution Approach 1:
Communication attempts are segmented by interface, with the system detecting and communicating with each interface separately rather than attempting simultaneous communication on all interfaces. This segmentation prevents communication conflicts that would arise from simultaneous multi-interface access while maintaining systematic data collection efficiency.
Solution Approach 2:
The system performs preliminary tag detection on interfaces to identify which interfaces are active and which communication protocols are in use before attempting data collection. This preliminary identification allows the system to sequence communication attempts appropriately, avoiding conflicts while ensuring comprehensive data collection from all active interfaces.
Data Source
AI summary
A method by a telematics device for identifying an asset platform for an asset coupled to the telematics device is provided. The asset has a multi-interface port and the telematics device determines the asset platform based on matching tags on both a primary interface and a secondary interface. Identifying the asset platform aids in obtaining asset data and avoiding operational interference.