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CISTI'2017 - 12ª Conferência Ibérica de Sistemas e Tecnologias de Informação

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On Determining the Number of Nodes in a Volcano Monitoring System by Using WSN

Volcano monitoring systems by using Wireless Sensor
Networks (WSN) must ensure an adequate network performance,
which –in fact– depends on the number of nodes compose
it. The objective of this paper focused on determining the number
of nodes, which collectively are able to yield an adequate network
performance. We implemented function optimization methods
and QoS metric analysis to find the effective number of sensors,
it is guaranteed that the network is competent and meets the
requirements of volcano monitoring systems. The process was
arranged in three phases: Network WSN on the ns-2 simulator
was implemented with randomized distribution. The transmission of information was collected for 2 minutes of simulation, showing tolerable results of average delay in units of milliseconds. The second stage corresponds to the deduction of the algebraic objective function, and the last includes the application of nonlinear optimization methods on objective function. The results show that the optimal number of nodes is 10, it ensures packet loss less than 20%.


Román Lara    

Verónica Poaquiza    

Rodolfo Gordillo    


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