Modular Measurement Platform for Mobile Networks
This image showcases our custom-built measurement platform, designed for evaluating mobile network performance across various technologies. The system is enclosed in a 3D-printed case and integrates multiple hardware components to enable precise and automated network experiments.
Key Components:
- Tinkerforge Modules:
- GPS Bricklet – Provides accurate positioning and time synchronization using GPS, GLONASS, and Galileo.
- Current/Voltage Bricklet – Monitors power consumption of connected devices.
- Masterbrick – Manages module communication and data collection.
- Modems:
- Teltonika TRM240 (Quectel EC21) – Supports 2G, 3G, and 4G (LTE Cat 1).
- Teltonika TRM250 (Quectel BG96) – Enables 2G, LTE-M, and NB-IoT connectivity.
- SIM PCB Adapter – Allows flexible SIM switching for network evaluation.
- Processing & Power Management:
- Raspberry Pi 4 – Serves as the experiment controller, application host, and data storage unit.
- MEGA4 PPPS Hub – Provides per-port power switching, enabling remote power cycling of the modems.
- Connectivity & Enclosure:
- The platform connects via Ethernet for reliable data transfer.
- Equipped with GPS and LTE antennas for optimal signal reception.
- USB-C power input ensures stable power delivery.
This modular system is ideal for IoT network performance testing, QoS analysis, and mobile connectivity experiments. Its flexible architecture supports various configurations, making it a powerful tool for mobile network research.