Seamless Wireless Diagnostic Data Transmission via Channel Switching
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Solution Overview
Problem
Modern automobiles face interference issues in wireless communication channels due to varying interference levels in different operating conditions, affecting data exchange during vehicle diagnostics.
Innovation Solution
A diagnostic system with a diagnostic processor comprising an application layer, abstraction layer, and connection layer, which monitors and selects the best communication channel based on quality indicators, iteratively updating the channel selection to ensure seamless data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single wireless communication channel is used for data transmission, then the device complexity is reduced, but the reliability of data transmission deteriorates due to interference in varying operating conditions
Solution Approach 1:
The communication system is segmented into multiple independent wireless communication channels, each capable of carrying data transmissions. The abstraction layer divides the channel selection and management tasks into discrete, manageable units that can be independently monitored and evaluated based on quality indicators.
Solution Approach 2:
The system dynamically selects communication channels based on real-time quality indicators. The abstraction layer continuously monitors channel conditions and adapts the selection of the best channel according to current operating conditions, making the system flexible and responsive to changing environmental factors.
2Adaptability or versatility
If manual protocol selection is required, then the adaptability to different communication conditions is improved, but the ease of operation deteriorates
Solution Approach 1:
The abstraction layer automatically performs channel quality monitoring and best channel selection without requiring user intervention. The system serves itself by autonomously evaluating quality indicators and making intelligent decisions about which communication channel to use, eliminating the need for manual protocol selection while maintaining high adaptability.
Solution Approach 2:
The system implements a feedback mechanism where quality indicators from multiple communication channels are continuously monitored and fed back to the abstraction layer. This feedback enables automatic adjustment and selection of the optimal channel based on real-time conditions, providing both adaptability and ease of operation.
3Reliability
If multiple communication channels are monitored and iteratively updated, then the reliability of data transmission is improved, but the use of energy increases
Solution Approach 1:
The system monitors multiple communication channels simultaneously but only actively uses the single best channel identified through quality indicator evaluation. This partial action approach allows the system to maintain reliability through multi-channel monitoring while minimizing energy consumption by concentrating data transmission on one optimal channel rather than continuously utilizing all monitored channels.
Data Source
AI summary
A system and method for seamless transition between wireless data transmission channels and protocols in a diagnostic system performing a service action on a vehicle having a vehicle communication interface (VCI). A measurement of channel quality conditions is utilized to generate a best channel indicator, and the diagnostic system utilizes the best channel for transmission while retaining the other available channels in a standby operating mode. In response to a change in the best channel indication, the system switches to the updated best channel without interruption of the functions within an application layer of the diagnostic system, providing a seamless experience for the user.