Updatable Roadway Codes for Dynamic Navigation Accuracy
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Solution Overview
Problem
Current positioning systems provide static and limited environmental data, failing to update information in response to changing conditions, which does not meet the demands of drivers for dynamic and accurate route guidance.
Innovation Solution
The implementation of updatable roadway codes that include both static and dynamic components, where the static data is immediately decipherable and the dynamic data is accessed through a remote computing device, allowing for real-time updates based on environmental changes detected by vehicles and users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If static roadway codes are used, then the system is simple and reliable, but the information becomes outdated and inaccurate over time
Solution Approach 1:
The roadway code is divided into two distinct segments: a static portion containing location identifiers and a dynamic portion containing environmental information. This segmentation allows the static elements to remain simple and reliable while the dynamic elements can be updated to maintain accuracy, thus resolving the contradiction between reliability and information freshness.
Solution Approach 2:
The code structure transitions from entirely static to dynamically updatable. The dynamic portion of the code can be modified remotely to reflect current environmental conditions, ensuring information accuracy without compromising the stability of the overall system architecture.
2Loss of information
If all data is stored locally in the roadway code, then access is fast and simple, but the code size increases and update capability is lost
Solution Approach 1:
Environmental information is extracted from the physical roadway code and stored remotely in a database. The roadway code itself retains only a compact reference identifier, dramatically reducing its size while maintaining access to complete environmental data through remote retrieval mechanisms.
Solution Approach 2:
A remote database serves as an intermediary between the compact roadway code and the comprehensive environmental information. This mediator allows the system to maintain small, simple codes while providing access to extensive, up-to-date environmental data when needed.
3Reliability
If the system continuously updates data, then information remains accurate, but energy consumption and system complexity increase
Solution Approach 1:
Instead of continuous updates, the system employs periodic or event-triggered updates of the dynamic code portion. Environmental data is refreshed at intervals or when significant changes occur, maintaining accuracy while minimizing energy consumption associated with constant data transmission and processing.
Solution Approach 2:
The system allows for passive updating mechanisms where environmental data can be contributed by multiple sources (vehicles, sensors) without requiring active polling or centralized control for every update, reducing the energy burden on any single component of the system.
Data Source
AI summary
Systems and methods for providing updatable roadway codes are described. One embodiment of a method includes locating a roadway code along a roadway and determining stored data provided by the roadway code. Some embodiments include providing at least a portion of the stored data to the user and capturing environmental data along the roadway, where the environmental data corresponds with the stored data. Still some embodiments include comparing the stored data with the environmental data to determine whether the stored data is accurate and in response to determining that the stored data is not accurate, providing a communication to update the stored data.