Light Mobility Vehicle Antenna Layout for Stable C-V2X Visibility
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Solution Overview
Problem
Light mobility vehicles lack connectivity capabilities to communicate with other road users, leading to reduced visibility and increased collision risks due to the absence of connectivity electronics that can share safety-related data.
Innovation Solution
Integration of safety devices with light mobility vehicles, including circuit boards, connectivity modules, sensors, and antennas, which utilize C-V2X chips and cellular modems to communicate safety-related data with other vehicles and infrastructure, enhancing visibility and collision avoidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If connectivity modules (C-V2X chip, cellular modem) are integrated into light mobility vehicles, then visibility and communication capability with other road users is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines multiple connectivity functions (C-V2X chip, cellular modem, GPS receiver) into a single integrated safety device that attaches to the light mobility vehicle. This merging approach provides comprehensive communication capability while reducing the overall complexity compared to implementing separate systems for each function.
Solution Approach 2:
The safety device is designed to perform multiple functions simultaneously: it enables C-V2X communication, cellular communication, GPS tracking, and hazard warning. This multi-functional design allows a single device to address various connectivity needs, improving road user visibility without requiring multiple separate components.
2Reliability
If specialized antenna and shielding are added to mitigate battery interference, then communication reliability is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent introduces a specialized antenna design that acts as an intermediary between the connectivity modules and the battery. The antenna's specific configuration and positioning mitigate the electromagnetic interference from the battery without requiring complex active compensation circuits, thereby improving communication reliability while maintaining manufacturing feasibility.
Solution Approach 2:
The safety device incorporates localized shielding around specific components that are most susceptible to battery interference, rather than implementing comprehensive shielding for the entire device. This selective approach maintains communication reliability for critical functions while reducing manufacturing complexity and material usage.
3Ease of operation
If safety device is integrated into battery housing, then installation ease is improved, but antenna performance may be affected by battery components
Solution Approach 1:
The patent positions the specialized antenna on the exterior surface of the battery housing, utilizing the external dimension to escape the electromagnetic interference environment created by internal battery components. This spatial arrangement maintains the ease of integration into the battery housing while preserving antenna performance by placing the radiating element outside the interference zone.
Data Source
AI summary
The present disclosure relates to safety devices and systems for light mobility vehicles. In one example, a safety device for a light mobility vehicle includes a circuit board, one or more connectivity modules coupled to the circuit board, and an antenna coupled to the circuit board. The circuit board may be positioned within or coupled to a light mobility vehicle part. The antenna is configured to mitigate interference of one or more components of the light mobility vehicle part with the one or more connectivity modules.