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LoRaWAN for Smart City IoT Deployments: A Long Term Evaluation.

Philip J Basford1, Florentin M J Bulot1, Mihaela Apetroaie-Cristea1

  • 1Faculty of Engineering and Physical Sciences, University of Southampton, Southampton, SO16 7QF, UK.

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Summary

This study shows that LoRaWAN (Long Range Wide Area Network) is effective for city-scale IoT deployments, successfully supporting air quality monitoring in Southampton with high message reception rates.

Keywords:
Internet of ThingsLoRaWANcommunication networkssmart citywireless sensor networks

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Area of Science:

  • Internet of Things (IoT)
  • Wireless Sensor Networks
  • Environmental Monitoring

Background:

  • Low-Power Wide Area Network (LPWAN) technologies are crucial for scalable IoT deployments.
  • LoRaWAN offers a promising solution for long-range, low-power communication in urban environments.
  • The need for efficient data transmission from environmental sensors in smart cities is growing.

Purpose of the Study:

  • To evaluate the feasibility and performance of a city-scale LoRaWAN network deployment.
  • To assess the suitability of LoRaWAN for supporting a network of air quality monitors.
  • To explore the capabilities of LoRaWAN in a real-world smart city application.

Main Methods:

  • Deployment of a city-scale LoRaWAN network in Southampton, UK.
  • Utilized a combination of commercial off-the-shelf and custom LoRaWAN gateways.
  • Gateway locations selected based on practical factors: network access, site permission, and accessibility.

Main Results:

  • Over 135,000 messages transmitted by twenty analyzed devices.
  • Achieved a successful message reception rate of 72.4% by the data server.
  • 99% of successfully received messages were delivered within 10 seconds of transmission.

Conclusions:

  • LoRaWAN is a viable and applicable communication technology for city-scale air quality monitoring.
  • The deployment demonstrated the potential of LoRaWAN for various smart city applications.
  • Practical deployment considerations, such as gateway placement, impact network performance.