The Internet of Things (IoT) is continuously evolving, driving innovations in communication technologies, particularly for industrial applications where reliable long-range connectivity is essential. This work proposes a LoRa-based mesh network (LoRaMesh) for IoT applications, evaluating its effectiveness in expanding communication range and network resilience. Using an ESP32 microcontroller interfaced with a LoRaMesh module from Radioenge, the study explores various configurations of spreading factor (SF), bandwidth (BW), and coding rate (CR) to optimize communication performance. Experiments were conducted over distances of up to 1000 m, transmitting messages between two devices and analyzing signal strength (RSSI) and signal-to-noise ratio (SNR). At another point, a study was conducted regarding the power consumption of the devices used in different operating modes and the impact on the autonomy of a 3800 mAh battery powering the system. The results highlight the trade-offs between transmission range, data rate, and energy efficiency, providing insights into LoRaMesh’s potential for industrial monitoring applications. Additionally, the study discusses necessary adaptations to ensure compatibility with industrial environments, including integration with established automation protocols. The findings contribute to the growing body of research on LoRa-based networks, offering practical considerations for deploying IoT solutions in remote and challenging conditions.

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Evaluating LoRaMesh Communication for Industrial IoT Applications: Performance and Feasibility

  • Mohamad Sadeque Abou Ali,
  • Jean Mário Moreira de Lima,
  • Itamir de Morais Barroca Filho,
  • Andre Morais Gurgel

摘要

The Internet of Things (IoT) is continuously evolving, driving innovations in communication technologies, particularly for industrial applications where reliable long-range connectivity is essential. This work proposes a LoRa-based mesh network (LoRaMesh) for IoT applications, evaluating its effectiveness in expanding communication range and network resilience. Using an ESP32 microcontroller interfaced with a LoRaMesh module from Radioenge, the study explores various configurations of spreading factor (SF), bandwidth (BW), and coding rate (CR) to optimize communication performance. Experiments were conducted over distances of up to 1000 m, transmitting messages between two devices and analyzing signal strength (RSSI) and signal-to-noise ratio (SNR). At another point, a study was conducted regarding the power consumption of the devices used in different operating modes and the impact on the autonomy of a 3800 mAh battery powering the system. The results highlight the trade-offs between transmission range, data rate, and energy efficiency, providing insights into LoRaMesh’s potential for industrial monitoring applications. Additionally, the study discusses necessary adaptations to ensure compatibility with industrial environments, including integration with established automation protocols. The findings contribute to the growing body of research on LoRa-based networks, offering practical considerations for deploying IoT solutions in remote and challenging conditions.