Traffic Monitoring System for Capability-Based Warning Routing
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Solution Overview
Problem
Not all road users, including older vehicles, pedestrians, and cyclists, are able to send and/or receive traffic messages, leading to inefficiencies and increased data traffic in traffic areas, which compromises safety.
Innovation Solution
A method and system that determine which road users can send and receive traffic messages, and only send messages that can be received by those capable, optimizing communication and reducing data traffic by sending specific types of messages based on user capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traffic messages are sent to all road users in the traffic area, then all road users can be informed about critical situations, but data traffic within the traffic area becomes very high
Solution Approach 1:
The patent applies local quality by differentiating the treatment of road users based on their communication capabilities. The system identifies and separates road users into two groups: those capable of receiving traffic messages and those incapable. Traffic messages are then selectively transmitted only to the capable group, rather than uniformly to all road users. This selective approach reduces overall data traffic while maintaining safety for those who can receive warnings.
Solution Approach 2:
The patent implements partial action by sending traffic messages to only the subset of road users who are capable of receiving them, rather than to all road users. The system performs a partial notification approach where messages are directed specifically to equipped road users, which is sufficient to improve safety among capable users without generating excessive data traffic across the entire traffic area.
2Reliability
If traffic messages are sent to all road users to ensure safety, then critical situations can be communicated, but the complexity of the system increases due to handling different communication capabilities
Solution Approach 1:
The patent applies preliminary action by having road users send out identification messages beforehand that indicate their capability to receive traffic messages. The traffic monitoring system collects and stores this capability information in advance, creating a registry of which road users can receive messages. When a critical situation occurs, the system can immediately query this pre-stored information and send warnings only to capable users, avoiding the need to determine capabilities in real-time during emergencies.
Solution Approach 2:
The patent uses an intermediary approach by introducing a traffic monitoring system that acts as a central coordinator between road users. This intermediary system manages the complexity of handling different communication capabilities by centralizing the capability registration and message routing logic. Instead of each road user needing to directly assess others' capabilities, the monitoring system serves as an intermediary that handles this complexity centrally and simplifies the overall system architecture.
Data Source
Figure 1
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AI summary
The invention relates to the monitoring of a traffic area with a traffic monitoring system. A traffic monitoring system has at least one environment sensor and a communication device for sending and receiving traffic messages from road users, wherein the traffic messages may contain status information of the road user and/or information from the sensors of the road user. In a first step, a road user is determined with the environment sensor and a traffic map of the traffic area, which includes the determined road users, is created. Road users who can send and/or receive traffic messages are determined and compared with the traffic map, and it is determined what kind of traffic messages road users can receive and send. If a critical situation could arise between at least two road users, it is checked whether at least one of these road users can send and/or receive traffic messages, and if so, a traffic message is sent to that road user, the traffic message containing information about the at least one road user who cannot send and/or receive traffic messages.