Lane-Specific Traffic Information Encoding for Navigation Terminals
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Solution Overview
Problem
Current methods for providing traffic information do not effectively address the need for lane-specific data, leading to inefficiencies in navigation due to lack of detailed lane-by-lane traffic updates, which can result in delayed arrivals and inefficient use of road resources.
Innovation Solution
A method and apparatus that encode and decode traffic information for each individual lane of a road link, including location and status information such as average speed and travel time, allowing for distinct display of driving directions and predicted arrival times on a terminal, enabling drivers to make informed decisions based on real-time lane conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traffic information is provided by road segment (link) unit, then the information structure is simple and easy to transmit, but the information granularity is too coarse and cannot reflect lane-specific traffic conditions
Solution Approach 1:
The patent segments the road link into multiple lanes and provides traffic information for each lane separately. The encoding structure divides the traffic information into lane-specific components, allowing each lane's traffic status (average speed, travel time, congestion level) to be independently represented and transmitted, thus achieving fine-grained information delivery without overwhelming complexity
2Measurement precision
If lane-specific traffic information is provided, then navigation accuracy and route optimization improve, but the data transmission volume and processing complexity increase
Solution Approach 1:
The patent extracts only the essential traffic parameters needed for navigation decisions (average speed, travel time, congestion status) for each lane, rather than transmitting all possible traffic data. This selective extraction provides sufficient navigation accuracy while minimizing data transmission volume and processing requirements
3Productivity
If traffic information is updated in real-time for each lane, then drivers can make better route decisions, but the system requires more frequent signal transmission and higher bandwidth
Solution Approach 1:
The patent merges traffic information from multiple lanes into a unified message structure that can be transmitted efficiently. By consolidating lane-specific data into standardized broadcast messages with compact encoding, the system achieves real-time updates for route decision-making while optimizing bandwidth utilization and reducing transmission energy requirements
Data Source
AI summary
A method and device for providing traffic information (e.g., congestion & travel-time information, road obstruction information, etc.) for each lane. The method includes encoding traffic information, including creating status information including traffic information on each individual lane belonging to a road link, creating location information about the road link, and creating a traffic information message including the status information and location information. This method includes wirelessly transmitting the message from a server to a terminal.