Design Methodology of Automotive Time-Sensitive Network System Based on OMNeT++ Simulation System

Area of Science:

• Computer Engineering
• Network Engineering
• Automotive Systems

Background:

• Modern automotive technology demands robust networks with specific requirements like real-time performance, low jitter, and strict delay limits.
• Time-Sensitive Networking (TSN), based on IEEE 802, offers delay-guaranteed communication for automotive Ethernet.
• Existing research often focuses on single TSN mechanisms, lacking comprehensive tools for systematic evaluation and global design perspective.

Purpose of the Study:

• To propose a methodology for designing automotive TSN networks with delay constraints as the primary goal.
• To develop a systematic simulation system for evaluating automotive TSN performance under various mechanisms.
• To analyze the correspondence between traffic types and automotive scenarios for effective network design.

Main Methods:

• Development of a systematic automotive TSN simulation system using OMNeT++.
• Analysis of TSN mechanisms including time-aware shaper (TAS), credit-based shaper (CBS), and cyclic queuing and forwarding (CQF).
• Methodology focused on targeting delay constraints of traffic types for network design.

Main Results:

• The developed simulation system effectively evaluates automotive TSN performance across different mechanisms.
• A complex automotive scenario based on zonal architecture was analyzed using the simulation system.
• Verification that TSN can successfully guarantee real-time performance and reliability in in-vehicle networks.

Conclusions:

• The proposed methodology and simulation system provide a comprehensive approach to automotive TSN design.
• TSN is validated as a crucial technology for meeting the stringent communication demands of future automotive systems.
• Holistic network design considering traffic types and scenarios is essential for effective automotive TSN implementation.