Driver Assistance Destination Setting Without Repeated Pairing
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Solution Overview
Problem
Existing driving assistance systems that use multiple wirelessly connected devices face security risks and increased processing loads due to the need for frequent pairing processes during wireless connection establishment.
Innovation Solution
A driving assistance system that includes a communication unit, an output unit, and a control unit in both the driving assistance device and the terminal device, which enables wireless connection without pairing by using near-field wireless communication to exchange identification information and set a destination point on a map, thereby reducing security risks and processing loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pairing process is performed to establish wireless connection between in-vehicle device and mobile terminal, then security is improved, but device complexity and processing load increase
Solution Approach 1:
The system performs preliminary actions by pre-storing identification information of authorized terminal devices in the in-vehicle device. When a terminal device enters the communicable area, the in-vehicle device can quickly verify the stored identification information without requiring a full pairing process, thus maintaining security while reducing complexity
Solution Approach 2:
The patent uses identification information (such as device IDs or authentication tokens) as a simplified copy or representation of the full pairing credentials. Instead of performing complete pairing procedures, the system exchanges and verifies these identification copies to establish secure communication, reducing processing load while maintaining security
2Reliability
If pairing process is performed every time wireless connection is required, then security is improved, but ease of operation deteriorates
Solution Approach 1:
The system performs preliminary authentication by storing identification information in advance. When connection is needed, the pre-stored identification information is quickly verified without requiring users to go through complex pairing steps each time, thus maintaining security while greatly improving ease of operation
Solution Approach 2:
The in-vehicle device automatically performs verification of terminal devices by comparing received identification information with pre-stored identification information. This self-service mechanism eliminates the need for manual pairing operations by users, improving ease of operation while maintaining security through automatic verification
3Ease of operation
If wireless connection is established with unspecified terminal devices, then ease of operation is improved, but security deteriorates
Solution Approach 1:
The patent introduces identification information as an intermediary verification mechanism between the in-vehicle device and terminal devices. The communication unit exchanges this identification information, and the control unit verifies it against pre-stored data, acting as an intermediary security check that allows easy connection for authorized devices while blocking unauthorized ones
Solution Approach 2:
The system implements feedback by verifying received identification information against pre-stored identification information and providing control based on the verification result. The control unit determines whether to establish wireless communication based on this feedback loop, ensuring that only devices with matching identification information can connect, thus maintaining security while allowing easy access for authorized devices
Data Source
AI summary
A driver assistance device mounted on a vehicle includes a communication unit; an output unit; an input unit configured to detect user input; and a control unit configured to perform driver assistance with use of a point on a map as a destination. The control unit is configured to i) execute a connection process to connect the driver assistance device to a terminal device wirelessly via the communication unit, ii) output identification information on the terminal device as an image or a voice via the output unit after the driver assistance device is wirelessly connected to the terminal device, and iii) execute a setting process to set the point determined by the terminal device as the destination for the driver assistance in a case where the control unit detects specified user input via the input unit after outputting the identification information on the terminal device.