Telematics Unit Pre-Connection Data Storage
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Solution Overview
Problem
Users of vehicle telematics systems face delays in connecting to a telematics call center, which can be detrimental in emergency situations, as they must wait for the connection to be established before they can communicate or transmit data, leading to 'dead time' that may have critical consequences.
Innovation Solution
A pre-connection readiness system where the telematics unit stores and exchanges user information with the call center before the connection is established, allowing for immediate communication and data transmission upon connection, including voice and data commands, reducing the wait time and enabling timely assistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the telematics unit waits for connection establishment before transmitting user information, then the connection process is simplified and reliable, but the user experiences delay and wasted time
Solution Approach 1:
The system performs preliminary actions by receiving and storing user information (voice commands, data commands, text messages) in the telematics unit's memory before the connection to the call center is established. This allows the information to be ready for immediate transmission once connected, eliminating the waiting period while maintaining connection reliability.
2Reliability
If the system implements connection retries to ensure successful connection, then connection reliability improves, but the total connection time increases
Solution Approach 1:
The telematics unit proactively receives and stores user information before connection is fully established or even before retry attempts begin. This preliminary action ensures that when connection succeeds (whether first attempt or after retries), the information is already prepared and can be transmitted immediately, offsetting the time cost of retry attempts.
Solution Approach 2:
The system maintains continuous useful action by having the telematics unit continuously receive and store user information during the connection establishment process and retry attempts. This ensures that the useful action of information preparation continues uninterrupted throughout the connection process, maximizing efficiency regardless of connection delays.
3Device complexity
If the user must wait for connection establishment before speaking or transmitting data, then the system maintains simple architecture, but user convenience and emergency response capability deteriorate
Solution Approach 1:
The system implements preliminary reception and storage of user information in the telematics unit's memory before connection establishment. This allows users to immediately input information without waiting for connection, improving ease of operation while maintaining relatively simple system architecture by using existing memory resources.
Data Source
AI summary
A pre-connection readiness system employs a telematics unit and a telematics call center. The telematics unit receives and stores pre-connection user information prior to a connection between the telematics unit and the telematics call center. The telematics unit and the telematics call center exchange the pre-connection user information subsequent to the connection between the telematics unit and the telematics call center.