C-ITS Data Path Architecture for Low-Latency Regional Handover
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Solution Overview
Problem
The integration and standardization of data exchange in cooperative intelligent transport systems (C-ITS) across different regions and countries are not yet established, leading to limitations in data utilization and service expansion, and existing systems face issues with data transmission latency and bottlenecks due to centralization.
Innovation Solution
A system and method for data linkage in C-ITS that distributes data processing across regional servers and client terminals, establishing direct data paths between them, reducing latency and load concentration, and ensuring seamless data transmission even when clients are moving.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If data processing is centralized at a central server, then system control and management are simplified, but transmission latency increases and system bottlenecks occur
Solution Approach 1:
The patent divides the centralized data processing system into distributed regional servers and client terminals. Each regional server handles data processing for its specific region, segmenting the monolithic central server function. This segmentation reduces transmission latency by processing data locally rather than routing all data through a central server, while maintaining simplified control through standardized communication protocols between distributed components.
2Loss of time
If data processing is distributed across regional servers and client terminals, then transmission latency is reduced, but system complexity increases
Solution Approach 1:
The patent implements universal communication protocols and standardized data formats that enable different regional servers and client terminals to interact through common interfaces. This multi-functionality allows the same protocol structure to handle various data types and communication scenarios, reducing the perceived complexity despite the distributed architecture. The standardized paths (control paths, data paths, auxiliary data paths) provide universal patterns for interaction across all system components.
3Device complexity
If a centralized system is used, then data management is simplified, but the system cannot seamlessly handle moving clients across different regions
Solution Approach 1:
The patent creates a dynamic system where client terminals can automatically switch between regional servers based on their location. The system dynamically establishes or switches data paths when clients move across regional boundaries, enabling seamless service continuity. This dynamic adaptability allows the system to handle moving clients effectively while maintaining simplified data management through automated path selection and standardized protocols.
4Adaptability or versatility
If data exchange standards are not integrated across regions, then regional autonomy is maintained, but data utilization and service expansion are limited
Solution Approach 1:
The patent establishes universal data exchange standards and protocols that work across all regional servers while allowing each region to maintain its autonomous data sources and processing characteristics. The standardized control paths, data paths, and auxiliary data paths enable seamless data exchange between regions, significantly improving data utilization efficiency and service expansion capabilities while preserving regional autonomy through the modular distributed architecture.
Data Source
AI summary
Proposed is a terminal device for receiving next-generation intelligent transport system (cooperative intelligent transport system; C-ITS) data. The terminal device comprises: a transceiver for transmitting and receiving the C-ITS data or control information to and from a plurality of regional servers or a central server; and a processor for processing the C-ITS data or the control information. The terminal device establishes a control path for transmitting and receiving the control information to and from the central server, and may establish a data path for transmitting and receiving the C-ITS data to and from each of the plurality of regional servers and an auxiliary data path for transmitting and receiving auxiliary C-ITS data to and from the central server.