LoRaMoto: a LoRa-based communication system for coordinated response in an earthquake aftermath (excerpt)
2019
Response of emergency units after natural disasters,
such as earthquakes, has to be coordinated, fast and efficient
in order to rescue and care for the victims, keeping all the
population –and the units themselves– safe amidst the chaos.
Outages in mobile networks, as well as fiber- or copper-based
landline and Internet connections are to be expected in such
situations, so alternative communication solutions must be considered.
To contribute in this duty, we propose a communication
system that uses the LoRaWAN architecture to allow citizens
to report their status to emergency units and public authorities
with simple messages and interaction mechanisms. To analyse
the system performance and capabilities we model a district of
Coquimbo, a harbour town in Chile, that houses approximately
28.000 people in 7.500 homes, and simulate it with a baseline
configuration. We explore several modifications of the system in
order to determine its characteristics and limitations, to better
understand its scalability and portability to other environments,
and to outline the remaining challenges to make the system attain
to specific performance guarantees
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