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首页> 外文期刊>International journal of information acquisition >PBQM: A PRIORITY-BASED QUEUE MANAGEMENT METHOD FOR WIRELESS SENSOR NETWORKS
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PBQM: A PRIORITY-BASED QUEUE MANAGEMENT METHOD FOR WIRELESS SENSOR NETWORKS

机译:PBQM:一种基于优先级的无线传感器网络队列管理方法

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摘要

Event detection is important in many sensor network applications. Traffic in these applications exhibits a many-to-one pattern, in which multiple source nodes send sensing data to a single sink node. Since bandwidth and storage capacity is highly constrained in sensor networks, packet loss is inevitable when a great deal of traffic rushes to sink. Based on the observation that the packets are not equal in the serving of event detection, we propose to employ priority-based queue management method (PBQM) to improve packet delivery ratio of more important packets. We put forward three priority mapping schemes and evaluate the performance of PBQM method by simulation with Ns-2.
机译:事件检测在许多传感器网络应用中都很重要。这些应用程序中的流量呈现多对一模式,其中多个源节点将传感数据发送到单个接收器节点。由于传感器网络中的带宽和存储容量受到高度限制,因此当大量流量涌入下沉时,数据包丢失是不可避免的。基于事件检测服务中数据包数量不相等的观察结果,我们建议采用基于优先级的队列管理方法(PBQM)来提高更重要数据包的数据包传递率。提出了3种优先级映射方案,并通过Ns-2仿真评估了PBQM方法的性能。

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