A TSN-Based Technique for Latency Measurement in Real-Time Wireless Communication Networks

Accurately measuring latencies in real-time communication systems is crucial for performance evaluation and theoretical modeling, especially in Industry 4.0/5.0 contexts. Enabling technologies such as Digital Twins (DTs), offer a pathway to design, fine-tune, and monitor systems remotely, their efficacy hinges on precise modeling of underlying physical components. Challenges arise particularly in accurately representing subsystems within communication networks, essential for remote control systems. In this paper, we propose an innovative approach to measure latency in wireless communication networks by characterizing individual subsystem components. Leveraging Time-Sensitive Networking (TSN) for synchronization, our methodology aims to provide insights into latency contributions from the protocol stack and Wireless Network Interface Controller (WNIC). Using relatively inexpensive hardware configured in monitor mode, we capture and timestamp raw wireless frames, enabling a comprehensive understanding of latency dynamics within communication networks.