Vehicle Control Device Segmentation for Ad Hoc Network Reliability
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Solution Overview
Problem
Existing control devices for bidirectional ad hoc network radio communication in vehicle-to-vehicle (C2C) or vehicle-to-environment (C2X) communication require high computing power, leading to high costs and potential system disruptions if the central control unit fails, making them expensive and less accessible to car buyers.
Innovation Solution
A control device with a processing unit set up according to the ITS standard, where data processing is restricted to content evaluation and pre-processing, and actual communication tasks are handled by an external ITS communication unit, using broadband connections like USB, Ethernet, or Flexray for reliable data exchange, and satellite data is processed separately for efficient data handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a central control unit with high computing power is used for bidirectional ad hoc network radio communication, then communication functionality is achieved, but system reliability deteriorates due to single point of failure and costs increase
Solution Approach 1:
The system is divided into multiple control units distributed throughout the vehicle, each capable of independently handling communication tasks. This segmentation eliminates the single point of failure problem inherent in centralized architectures while maintaining full communication functionality through coordinated operation of multiple units.
Solution Approach 2:
The communication processing functions are extracted from the central control unit and distributed to separate control units. This extraction allows the central unit to focus on core vehicle control while specialized control units handle communication tasks, improving both reliability and functional efficiency.
2Adaptability or versatility
If a central control unit with high computing power is used for bidirectional ad hoc network radio communication, then communication functionality is achieved, but costs increase making the system less accessible
Solution Approach 1:
The communication functionality is segmented across multiple standard control units rather than requiring one high-performance central unit. This allows the system to achieve the same communication capability using multiple lower-cost components, reducing overall system cost while maintaining functionality.
Solution Approach 2:
The system uses multiple standard, replaceable control units instead of expensive specialized hardware. If one unit fails or needs upgrading, it can be individually replaced without replacing the entire communication system, reducing both initial cost and long-term maintenance expenses.
3Productivity
If data processing is restricted to content evaluation and pre-processing only, then processing speed improves, but communication completeness deteriorates
Solution Approach 1:
The data processing workflow is segmented into distinct stages: content evaluation and pre-processing are handled by control units with restricted processing for speed, while complete communication processing is distributed to specialized communication control units that ensure completeness. This segmentation allows each component to optimize for its specific function.
Solution Approach 2:
An intermediary data exchange mechanism connects the restricted processing units with the communication control units. This intermediary layer ensures that pre-processed data is properly transmitted and completed by communication specialists, maintaining data integrity and communication completeness while preserving processing speed benefits.
Data Source
AI summary
The invention relates to a control device (1) for processing data in bidirectional ad hoc network radio communication, comprising a computing unit for processing data and connections for data input and data output. The computing unit is equipped to process the data according to the ITS standards, wherein data processing is limited to processing steps of the ITS Facilities layer which analyzes the contents and/or prepares the data received or to be sent by means of bidirectional ad hoc network radio communication. A first broadband communication connection (3) is provided at least for receiving the data from an ITS communication unit (9) for bidirectional ad hoc network radio communication.