V2X Mesh Network for Factory Mobility

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Solution Overview

Problem

Conventional V2X network systems in automotive production factories face issues such as high initial construction costs, maintenance challenges due to cable disconnection difficulties, and limitations in reliable communication, especially with real-time network configuration variations and massive data transmission, particularly in Ad-hoc based schemes, and vulnerability to security breaches and channel interference.

Innovation Solution

A V2X mesh network system utilizing a roadside unit (RSU) with heterogeneous V2X modules that supports inter-infrastructure (I2I) and vehicle-to-infrastructure (V2I) wireless communication, featuring dedicated I2I and V2I antennas, a GNSS module for precise positioning, and a control module for secure data relay and handover management, forming a private mesh network that reduces channel interference and maintains reliable communication.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a repeater (infrastructure) based scheme is used, then communication reliability is improved, but initial construction cost increases and maintenance difficulty increases

Engineering Contradiction:

Improvecommunication reliabilityVSAvoidinitial construction cost

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system segments the communication network into multiple RSUs (Road Side Units) distributed throughout the factory, each independently providing communication services. This segmentation eliminates the need for a single centralized infrastructure while maintaining communication reliability through multiple access points.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent replaces the mechanical cable-based infrastructure system with a wireless mesh network system. RSUs communicate with OBUs (On Board Units) and each other through wireless V2X communication, eliminating the need for physical cable laying and complex mechanical installation while reducing construction costs.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If a repeater (infrastructure) based scheme is used, then communication reliability is improved, but maintenance time and cost increase

Engineering Contradiction:

Improvecommunication reliabilityVSAvoidmaintenance time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The wireless mesh network replaces the mechanical cable infrastructure, allowing maintenance personnel to diagnose and repair issues remotely through the network without needing to physically access cable locations, significantly reducing maintenance time and cost.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system implements real-time monitoring and feedback mechanisms that automatically detect communication failures or anomalies, enabling proactive maintenance and reducing the time required to identify and resolve issues before they affect production.

Inventive Principle:

Principle #23Feedback

3Device complexity

If an Ad-hoc based scheme is used, then construction cost is reduced, but communication reliability deteriorates due to network configuration variations

Engineering Contradiction:

Improveconstruction costVSAvoidcommunication reliability

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The system dynamically adapts to mobility operations by allowing RSUs and OBUs to join and leave the mesh network as needed. The network automatically reconfigures routing paths and connections in real-time, maintaining communication reliability despite the dynamic nature of factory mobility operations.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The mesh network implements continuous feedback mechanisms that monitor communication quality and network topology changes, automatically adjusting routing decisions and reconfiguring connections to maintain reliable communication even as network participants move and reposition.

Inventive Principle:

Principle #23Feedback

4Device complexity

If an Ad-hoc based scheme is used, then construction cost is reduced, but massive data transmission capability is limited

Engineering Contradiction:

Improveconstruction costVSAvoiddata transmission capability

Core Design Contradiction:

Device complexityVSProductivity

Solution Approach 1:

The mesh network segments data transmission into multiple parallel wireless channels and routes, allowing simultaneous transmission of multiple data streams. This segmentation enables massive data transmission capability by distributing the data load across multiple RSUs and OBUs rather than relying on a single transmission path.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS20250016532A1V2x mesh network system and operating method thereof

Publication Date: 2025.01.09 HYUNDAI MOTOR CO LTD

AI summary

A vehicle to everything (V2X) mesh network system supporting a mobility operation of a production factory includes a road side unit (RSU) which is disposed in plural in the production factory, and connects infra-to-infra (I2I) wireless communication with an infrastructure facility, and connects vehicle-to-infra (V2I) wireless communication with an on board unit (OBU) mounted on an autonomous driving vehicle to form a V2X mesh network; and a control server controlling operation states of the RSU and the vehicle through the V2X mesh network.