Measurement of QoS in wireless sensor networks with single multimedia traffic-class
Problems of Cybernetics and Informatics（2012）
摘要
Hardware and energy limitations hamper sensor nodes to work with traffic classes-video, voice, picture and stream data effectively. Unlike other networks, in WSNs Quality of Services (QoS) metrics should have direct relation to energy consumption. In other words, all QoS should be modeled so that it would diminish power usage and increase network life. In this paper we proposed QoS model based on Queueing Theory in order to control multimedia packets in the queue and decrease packet loss. In this paper we estimated optimal values for each server and proposed desirable buffer size and service intensity values for sensor node in order to minimize data loss.
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关键词
multimedia communication,quality of service,queueing theory,telecommunication traffic,wireless sensor networks,qos measurement,qos model,wsn quality of service metric,buffer size,data loss minimization,energy consumption,multimedia packet control,packet loss,sensor nodes,service intensity values,single multimedia traffic-class,stream data,qos,buffer,multimedia data,queuing theory
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