Vehicle Navigation System Using Remote Data for Route Accuracy
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Solution Overview
Problem
Current navigation systems for vehicles lack the ability to accurately determine routes that avoid congestion and delays while providing comprehensive scheduling and address information, especially for drivers using rental cars or traveling away from home.
Innovation Solution
A system and method that utilize a navigation system connected to a remote information system via a data communication network to request and retrieve route information, including traffic conditions, scheduling data, and driver preferences, to determine the optimum route to a destination, incorporating satellite and terrestrial positioning, and user authentication for personalized guidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the navigation system uses only basic TMC congestion information, then the system complexity is low, but the route determination accuracy and ability to avoid congestion is insufficient
Solution Approach 1:
The patent introduces a remote information system as an intermediary component that provides enhanced route information through a data communication network. This intermediary enables the navigation system to access detailed traffic conditions, construction information, and alternative routes without significantly increasing the onboard system complexity, thus resolving the contradiction between accuracy and complexity.
Solution Approach 2:
The navigation system is designed to perform multiple functions: basic navigation, advanced route optimization using detailed traffic data, congestion avoidance, and real-time updates. By integrating these multi-functional capabilities into a unified system that leverages external data sources, the patent achieves high route determination accuracy without proportionally increasing onboard system complexity.
2Adaptability or versatility
If the navigation system requests and processes additional route information from remote systems, then the route optimization capability is improved, but the communication and data processing complexity increases
Solution Approach 1:
The system performs preliminary actions by pre-establishing communication protocols and data request structures with the remote information system. Route information is requested and processed in advance of actual navigation needs, allowing the system to optimize routes based on predicted traffic conditions and prepare alternative routes beforehand, thereby enhancing optimization capability while managing communication complexity through pre-planned protocols.
3Ease of operation
If the system provides comprehensive scheduling and address information, then the user convenience and information accessibility are improved, but the information processing and storage requirements increase
Solution Approach 1:
The patent extracts and presents only the most relevant scheduling and address information needed for navigation and trip planning. By selectively retrieving and displaying essential information such as destination addresses, scheduling appointments, and critical route details rather than all available data, the system enhances user convenience while minimizing information processing and storage requirements on the navigation device.
Data Source
AI summary
A system for determining an optimum route to a destination by a navigation system of a vehicle is provided. The system includes a navigation system, a remote information system, and a data communication network linking the navigation system and the remote information system. A method is also disclosed that includes the steps of establishing a communication connection between the navigation system and the remote information system, and determining the optimum route to the destination where the optimum route is determined based on requested information received from the remote information system.