Centralized Server for Vehicle Application Access Control
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Solution Overview
Problem
Current systems lack a centralized mechanism to safely and intelligently manage and control the extension of mobile phone applications onto a vehicle's head unit, particularly in terms of accessing and prioritizing resources based on vehicle conditions and user authentication.
Innovation Solution
A network device maps application operation modes to vehicle conditions and compares application identifiers to determine which vehicle interface resources to grant access to, using client and server software to authenticate users and applications, and manage resource access dynamically based on vehicle status and priority rankings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If mobile phone applications are extended to the vehicle head unit, then user interface quality is improved, but system security and control complexity worsen
Solution Approach 1:
A centralized server acts as an intermediary between mobile applications and the vehicle head unit, authenticating applications and granting selective access to interface resources. The server receives authentication requests from applications, verifies credentials, and returns authorization decisions, thereby securing the system while enabling controlled access to high-quality vehicle interface resources.
2Adaptability or versatility
If applications are granted access to vehicle interface resources, then application functionality is improved, but resource management complexity worsens
Solution Approach 1:
The complex resource management logic is extracted from the vehicle head unit and relocated to a centralized server. The server maintains a mapping of application operation modes to vehicle conditions and makes centralized decisions about resource allocation, simplifying the head unit's role to executing authorization decisions while enabling sophisticated application functionality.
Solution Approach 2:
The system dynamically changes resource access parameters based on vehicle conditions and application requirements. The server compares application identifiers against stored mappings and adjusts granted access levels according to current vehicle state, enabling flexible functionality while centralizing management complexity.
3Ease of operation
If centralized server control is implemented, then application access control is improved, but network dependency worsens
Solution Approach 1:
The centralized server provides multiple functions including authentication, authorization, and resource allocation through a single network-based platform. This universal approach simplifies access control operations while consolidating network dependencies into a single manageable system rather than distributing complexity across multiple components.
Data Source
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Figure 2A
Figure 2B
AI summary
In one example, a network device (22) stores a mapping (15) of application operation modes to vehicle conditions including at least a first condition of the vehicle powered but not moving and a second condition of the vehicle moving. The network device (22) receives a wirelessly transmitted request for a particular application (40) to utilize an interface (21) powered by the vehicle. The network device (22) compares an application number from the request to the mapping (15) and identifies a portion of the vehicle interface (21) according to the comparison. The network device (22) signals control software (30B) on the vehicle to permit the particular application (40) to access only the identified portion of the vehicle interface.