Traffic Area Monitoring With Capability-Aware Message Routing
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Solution Overview
Problem
Not all road users, including older vehicles, pedestrians, and cyclists, have the necessary communication equipment to send and/or receive traffic messages, leading to inefficiencies and increased data traffic in traffic areas.
Innovation Solution
A traffic monitoring system with environment sensors and communication devices determines road users' capabilities to send and receive traffic messages, optimizing message transmission by sending only messages that can be received, thereby reducing data traffic and enhancing safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traffic messages are sent to all road users in the traffic area, then safety coverage is improved, but data traffic volume increases significantly
Solution Approach 1:
The system determines individual road users' communication capabilities (whether they can send and/or receive traffic messages) and tailors message transmission accordingly. Instead of uniform broadcasting to all road users, the system selectively sends messages only to those who can receive them, thereby reducing overall data traffic while maintaining safety coverage for capable road users.
Solution Approach 2:
The system sends traffic messages only to road users who have the capability to receive them, rather than sending messages to all road users regardless of capability. This partial action approach reduces data traffic volume while still ensuring that messages reach the subset of road users who can process and respond to them.
2Quantity of substance
If traffic messages are sent only to road users who can send and receive messages, then data traffic is reduced, but safety coverage for incapable road users deteriorates
Solution Approach 1:
The traffic monitoring system acts as an intermediary that collects information from environment sensors and selectively distributes it to road users based on their communication capabilities. The system determines which road users can send and/or receive traffic messages and sends messages only to those capable road users, thereby reducing data traffic while maintaining targeted safety coverage.
3Productivity
If the system determines road user capabilities before sending messages, then message transmission efficiency is improved, but system complexity increases
Solution Approach 1:
The system performs preliminary determination of road users' communication capabilities (whether they can send and/or receive traffic messages) before actually sending messages. This preliminary action allows the system to optimize message transmission by sending messages only to capable road users, improving transmission efficiency. The capability determination is performed using information from environment sensors and communication devices.
Data Source
AI summary
A traffic monitoring system has at least one environment sensor and a communication device for sending and receiving traffic messages from road users, which may contain status information of the road user or information from the sensors of the road user. The road user is determined with the environment sensor and a traffic map of the traffic area including the determined road users is created. Road users who can send or receive traffic messages are determined and compared with the traffic map. 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 and if at least one of these road users can receive traffic messages, a traffic message is sent to the road user able to receive traffic messages containing information about a road user who cannot send or receive traffic messages.