Overview
A real-time wireless system implemented on PC-USRP using GNURadio, targeting to provide TSN (Time-Sensitive Networking) service to the upper layer with high accuracy synchronization.
Key Features
- Achieving synchronization among nodes to within 100ns
- End-to-end latency as low as 3.75ms
- Easy-deployable and reconfigurable for time-critical wireless applications
- Full-stack implementation from physical layer to application
Technical Specifications
Synchronization Mechanism
The system implements precision time protocol (PTP) over wireless, achieving sub-microsecond synchronization accuracy through:
- High-precision timestamping at the physical layer
- Clock skew estimation and compensation
- Adaptive filtering for clock drift correction
Performance Metrics
| Metric | Value | |——–|——-| | Synchronization Accuracy | < 100ns | | End-to-End Latency | 3.75ms | | Supported Nodes | Up to 10 | | Frequency Band | 2.4GHz / 5GHz |
Applications
This system is suitable for various time-critical industrial IoT applications including:
- Industrial automation and control
- Robotics coordination
- Real-time video streaming
- Haptic feedback systems