Simulation and evaluation of ad hoc networks under different mobility models
Simulación y evaluación de redes ad hoc bajo diferentes modelos de movilidad
DOI:
https://doi.org/10.15446/ing.investig.v23n3.14705Keywords:
Ad hoc networks, mobility model, ns-2 performance, protocol, simulation (en)redes ad hoc, modelo de movilidad, ns-2, desempeño, protocolo, simulación (es)
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In the performance evaluation of a protocol for an ad hoc network, the protocol should be tested under realistic conditions including realistic movements of the mobile users (a mobility model). In this paper we revise several mobility models used in the simulations of mobile networks including mobility models that represent mobile nodes whose movements are independent of each other and mobility models that represent mobile nodes whose movements are dependent on each other (group mobility models). We present simulation results in NS-2 that illustrate the importance of choosing a mobility model in the simulation of a mobile network protocol. Specifically, we illustrate how the performance results of an ad hoc network protocol drastically change as a result of changing the mobility model simulated.
En la evaluación del desempeño de un protocolo para una red ad hoc, el protocolo debería ser probado en condiciones realistas, incluidos movimientos realistas de los usuarios móviles (un modelo de movilidad). En este artículo se revisan varios modelos de movilidad usados en simulaciones de redes móviles, incluidos modelos de movilidad que representan nodos móviles cuyo movimiento es independiente de los otros nodos móviles y modelos de movilidad que representar nodos móviles cuyos movimientos son dependientes de los otros (modelos de movilidad de grupos). Se presentan algunos resultados de la simulación en NS-2, que ilustran la importancia de escoger un modelo de movilidad en la simulación de un protocolo sobre redes móviles Específicamente, se ilustra como los resultados de desempeño en una red ad hoc cambian drásticamente al cambiar, bien sea el modelo de movilidad, o bien los parámetros del modelo seleccionado o ambos.
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Copyright (c) 2003 Jorge Eduardo Ortíz Triviño, Jaime Leonardo Bobadilla Molina, Miguel Arnulfo Saumett León
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