Evaluation of LoRa Technology in Flooding Prevention Scenarios.

Sensors
José CecílioAntónio Casimiro

Abstract

Global climate change originates frequent floods that may cause severe damage, justifying the need for real-time remote monitoring and alerting systems. Several works deal with LoRa (Long Range) communications over land and in the presence of obstacles, but little is known about LoRa communication reliability over water, as it may happen in real flooding scenarios. One aspect that is known to influence the communication quality is the height at which nodes are placed. However, its impact in water environments is unknown. This is an important aspect that may influence the location of sensor nodes and the network topology. To fill this gap, we conducted several experiments using a real LoRa deployment to evaluate several features related to data communication. We considered two deployment scenarios corresponding to countryside and estuary environments. The nodes were placed at low heights, communicating, respectively, over the ground and over the water. Measurements for packet loss, received signal strength indicator (RSSI), signal-to-noise ratio (SNR) and round-trip time (RTT) were collected during a period of several weeks. Results for both scenarios are presented and compared in this paper. One important conclusion is that the...Continue Reading

References

Apr 23, 2015·Proceedings of the National Academy of Sciences of the United States of America·Brenden JongmanPhilip J Ward
Sep 13, 2016·Sensors·Aloÿs AugustinWilliam Mark Townsley
Mar 7, 2017·Healthcare Informatics Research·Mostafa HaghiRegina Stoll
Oct 17, 2017·Sensors·Lluís CasalsCarles Gomez
Mar 8, 2018·Sensors·Ramon Sanchez-IborraAntonio F Skarmeta
Aug 31, 2018·Sensors·Nikola JovalekicIain Darby And Marco Zennaro

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Methods Mentioned

BETA
two-ray
chips
chip

Software Mentioned

LoRa
Raspberry
AQUAMON
Raspberry PI
PI
Arduino

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