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En este trabajo se presenta un estudio comparativo entre las topologias fisicas que apoyan WSN con el fin de determinar la mas eficaz aplicado a una red inalambrica de sensores ambientales. La investigacion se realizo mediante el apoyo del Network Simulator 2 (NS-2), que permite crear un entorno similar al real y simulado su funcionamiento, para determinar la mejor topologia de un metodo inductivo se aplico para evaluar los datos de NS-2 que se basaron en las metricas de rendimiento, tales como: el envio de paquetes, el consumo de energia y la cobertura. Como resultado se obtuvo que la topologia fisica estrella es la mejor manera de aplicar una red WSN para las mediciones ambientales, que tiene una relacion de Entrega de paquetes del 97,9%, el rendimiento de 0,7542 Kbps, un retraso de 0,0162 ms, un consumo de energia bajo y una mayor area de cobertura del sensor. Abstract This paper presents a comparative study between physical topologies that support WSN in order to determine the most efficient applied to a wireless network of environmental sensors. The research was performed by the support of Network Simulator 2 (NS-2), it allows to create an environment similar to real and simulated its operation, to determine the best topology an inductive method was applied to evaluate the data from NS-2 that were based on the performance metrics such as: sending packages, energy consumption and coverage. As a result it was obtained that the star physical topology is the best to implement a WSN network for environmental measurements, that has Packet Delivery Ratio of 97,9 %, Throughput of 0,7542 Kbps, a delay of 0,0162 ms, a low energy consumption and a greater sensor coverage area.

Evaluación de las topologías físicas de redes WSN para la medición de variables ambientales