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Hierarchical Polling-based MAC scheme for Wireless Body Sensor Network

机译:无线人体传感器网络基于分层轮询的MAC方案

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摘要

A hierarchical polling-based access scheme for Wireless Body Sensor Network (WBSN) is proposed in this paper. The proposed access scheme is structured in hierarchy to collect data from sensor nodes inserted in human body. In first level of hierarchy the sensor nodes are divided into groups and sensor nodes of each group communicate with a sink node which collects data by using polling technique. In second level, the sink nodes communicate with master node which collects data by also using polling technique. The sensor nodes from first level are provided with only single buffer to store data and intending to save energy by using small capacity buffer. The sink nodes have larger buffers and the master node uses exhaustive polling technique. The performance of the proposed scheme is studied using mathematical models known in the literature. The numerical analyses show that the proposed scheme can be efficient for WBSN application.
机译:提出了一种基于分层轮询的无线人体传感器网络访问方案。所提出的访问方案具有层次结构,可从插入人体的传感器节点收集数据。在第一级层次中,传感器节点分为几组,每组中的传感器节点与宿节点通信,该宿节点通过使用轮询技术来收集数据。在第二层中,宿节点与主节点进行通信,该主节点也通过使用轮询技术来收集数据。第一层的传感器节点仅提供一个缓冲区来存储数据,并打算通过使用小容量缓冲区来节省能源。接收器节点具有更大的缓冲区,而主节点使用穷举轮询技术。使用文献中已知的数学模型来研究所提出的方案的性能。数值分析表明,该方案对于WBSN应用是有效的。

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