Measurements in LoRaWAN Networks

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Dr. Fehér Gábor
Department of Telecommunications and Media Informatics

The topic of my dissertation was to measure LoRaWAN networks used in IoT applications. During the dissertation I got know the operation of the LoRaWAN networks, what parameters the communication depends on these networks, what their energy efficient operation is and how I can connect my device to it.

During the task, I measured the availability of the LoRaWAN network with my own device. The device displays the RSSI and SNR values of the connected connection and can display its own location data on the LCD display. The other measurements were made through the Loriot network management service. On this surface, the measurements were performed using three applications. For the range measurement, I used the values that were used to receive the installed gateways message to determine the range. Depending on the integrity, I've studied how many Gateways I have reached with my device. From this I came to the conclusion that with the increase in the level of integration our range is almost exponentially decreasing. Then, by changing some of the parameters of communication, I examined how my device's range is in the open air and inside the building. These measurements also demonstrate that the power of the device works more efficiently, the lower the range of the device.

In the future, there will be a lot more applications that will use the LoRa network, thanks to many of its beneficial properties, including its safe and energy efficient operation. LoRaWAN networks are popular with IoT applications so we can expect to see more and more of them in the future.


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