Performance analysis of networks based on IEEE 802.15.4 standard
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Universidad Industrial de Santander
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El artículo presenta un análisis del rendimiento en redes inalámbricas soportadas en el estándar IEEE 802.15.4, el estudio es basado en las medidas del tiempo de latencia, tomado en diferentes topologías de redes en la banda de frecuencia de 2400 MHz, en un ambiente edificado. Este análisis sigue los conceptos de tiempo de espera: en la interfaz serial, en la capa MAC, en la capa física y debido a la influencia de otras estaciones en un entorno equiprobable. Finalmente, se proponen modelos estadísticos del comportamiento del tráfico, estos modelos pueden ser utilizados para determinar el número máximo de dispositivos y de enrutadores que se deben conectar a una red sin afectar las exigencias del tráfico, brindando una herramienta para dimensionar y planificar redes basadas en esta tecnología.
We present a performance analysis supported by IEEE 802.15.4 standard for wireless networks. The analysis was performed in different network topologies in the frequency band of 2400 MHz for indoor environments, taking into account latency measurements. Our aproach considers the timeout in: the serial interface, the MAC layer, the physical layer and the influence of other workstations that have the same probabilities of network access. Finally, we propose statistical models of traffic behavior; these models can be used to determine the maximum amount of devices and routers that must be connected to the network without affecting traffic demands. Our methodology represents a tool to size and plan networks based on IEEE 802.15.4 standard.
We present a performance analysis supported by IEEE 802.15.4 standard for wireless networks. The analysis was performed in different network topologies in the frequency band of 2400 MHz for indoor environments, taking into account latency measurements. Our aproach considers the timeout in: the serial interface, the MAC layer, the physical layer and the influence of other workstations that have the same probabilities of network access. Finally, we propose statistical models of traffic behavior; these models can be used to determine the maximum amount of devices and routers that must be connected to the network without affecting traffic demands. Our methodology represents a tool to size and plan networks based on IEEE 802.15.4 standard.
Keywords
Telecommunications, models, zigbee, traffic data, telecomunicaciones, modelos, zigbee, tráfico de datos.