Vehicle Message Routing via Sub-Network Selection
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Solution Overview
Problem
Modern aircraft often experience message bottlenecks when using preferred communications networks, which can delay important or emergency messages, necessitating a method to expedite transmission over less preferential networks when the preferred ones are unavailable.
Innovation Solution
A method that determines if a condition exists to expedite vehicle message transmission, checks for availability of preferential and less preferential sub-networks, and transmits the message over a less preferential sub-network if the preferential one is not available, utilizing a processing and communications system that includes rules and sub-network preference data to facilitate this.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If messages are sent over the most preferred communications network to reduce cost, then cost is reduced, but transmission speed deteriorates due to bottlenecks
Solution Approach 1:
The system dynamically selects communication networks based on real-time conditions. The CMU monitors network availability and message priority, then adaptively routes messages through preferential or non-preferential networks. This dynamic routing resolves the contradiction by allowing cost-effective preferential network usage when available while enabling fast non-preferential network usage when needed, optimizing both cost and transmission speed based on current system state.
2Loss of energy
If messages are routed through the preferred sub-network to minimize cost, then cost efficiency is improved, but message delivery time worsens due to network bottlenecks
Solution Approach 1:
The system changes the routing parameter (network selection) based on message priority and network availability. High-priority or emergency messages are routed through non-preferential networks regardless of cost, while lower-priority messages use preferential networks for cost efficiency. This parameter change resolves the contradiction by adjusting the cost-time tradeoff based on message characteristics and real-time network conditions.
3Reliability
If the system uses multiple communications networks to avoid bottlenecks, then transmission reliability is improved, but system complexity increases
Solution Approach 1:
The CMU acts as an intermediary that manages multiple communication networks and message routing decisions. It maintains sub-network preference data, monitors network availability, and automatically selects appropriate networks based on message priority and current conditions. This intermediary approach resolves the contradiction by centralizing the complexity management, allowing the system to utilize multiple networks for reliability while the CMU handles the routing complexity transparently.
Data Source
AI summary
In one embodiment, a method for processing vehicle messages is provided. The method comprises: receiving a vehicle message for transmission; determining whether a condition exists to expedite transmission of the vehicle message; determining if a preferential sub-network is available; determining if at least one less preferential sub-network is available; and when the condition exists, when the preferential sub-network is not available for use, and the less preferential sub-network is available, expediting the transmission of the vehicle message over a less preferential sub-network.