In-Vehicle Network Setting Transfer for Cross-Vehicle Service Inheritance
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Solution Overview
Problem
Existing in-vehicle electronic control units (ECUs) lack the capability to inherit setting information from another vehicle's relay device during program updates, leading to inefficiencies in network settings and service transfer.
Innovation Solution
An in-vehicle device connected to a relay device through an in-vehicle network acquires user information, retrieves available service information from a vehicle exterior server, and generates a network setting change instruction based on this information to update the relay device's settings, allowing seamless transfer of services between vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If relay device setting information is not inherited from another vehicle, then network settings must be reconfigured manually for each vehicle, but this increases setup time and reduces service transfer efficiency
Solution Approach 1:
The system performs preliminary actions by acquiring and storing network setting information from another vehicle's relay device before the current vehicle needs to be configured. The in-vehicle device retrieves user information, obtains available service information from a vehicle exterior server, and prepares network setting change instructions in advance, so that when the vehicle is ready, the settings can be automatically applied without manual reconfiguration.
2Ease of operation
If network setting information is automatically inherited from another vehicle, then setup time is reduced, but there is a risk of incompatibility with the current vehicle's configuration
Solution Approach 1:
The system implements feedback by acquiring available service information from a vehicle exterior server and comparing it with the inherited network setting information. The control unit generates network setting change instructions based on this feedback, automatically adjusting the inherited settings to ensure compatibility with the current vehicle's configuration while maintaining ease of operation.
3Adaptability or versatility
If relay device setting information is inherited from another vehicle, then service transfer becomes seamless, but the device complexity increases due to additional information processing requirements
Solution Approach 1:
The in-vehicle device acts as an intermediary between the relay device and the vehicle exterior server. It acquires user information, retrieves available service information from the server, processes this information to generate appropriate network setting change instructions, and applies them to the relay device. This intermediary role enables seamless service transfer while managing the complexity of information processing through automated workflows.
Data Source
AI summary
An in-vehicle device that is mounted on a vehicle and is connected to a relay device through an in-vehicle network such that communication is available, the device including a control unit performing processing relevant to network setting information used by the relay device, in which the control unit acquires user information relevant to a user of the vehicle, outputs the acquired user information to a vehicle exterior server provided outside the vehicle, acquires information of an available service that can be used by the user from the vehicle exterior server, and outputs a network setting change instruction generated on the basis of the acquired information of the available service to the relay device or an in-vehicle ECU.