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首页> 外文会议>International Conference on High Performance Computing and Communications(HPCC 2005); 20050921-23; Sorrento(IT) >An Energy-Efficient Uni-scheduling Based on S-MAC in Wireless Sensor Network
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An Energy-Efficient Uni-scheduling Based on S-MAC in Wireless Sensor Network

机译：无线传感器网络中基于S-MAC的节能单调度

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摘要

S-MAC is a MAC (Medium Access Control) protocol as specialized for the wireless sensor network in order to sacrifice transmission delay and extend the working life of the whole sensor nodes. S-MAC, which was made by modifying IEEE 802.11, reduced the energy wasted in the wireless sensor network by using a periodic listen and sleep scheduling method. The first task that the wireless sensor network using S-MAC performs is to find a neighbor node, and then choose and broadcast its own schedule. In this process, as a result of using a time selected randomly and scheduling, diversified schedules are generated. In the end, schedule clusters, which are different from one another, get to be made, and nodes on these cluster borders fail to communicate with one another due to an inconsistent listen time. In the existing paper on S-MAC, this problem is solved by placing a border node to adopt schedules which are different from one another. However, compared with other nodes, the border node consumes energy more, and its efficiency of data transmission according to the broadcast type is lower. This paper suggested a method for unifying schedules through the H-SYNC (Heartbeat-SYNC) method for solving such problem of the diversified scheduling of S-MAC, and as a result of comparing and evaluating its performance through simulation, it was found that the border node consumed energy less.
机译：S-MAC是专用于无线传感器网络的MAC（媒体访问控制）协议，以牺牲传输延迟并延长整个传感器节点的工作寿命。通过修改IEEE 802.11制成的S-MAC通过使用定期侦听和睡眠调度方法减少了无线传感器网络中浪费的能量。使用S-MAC的无线传感器网络执行的第一个任务是找到邻居节点，然后选择并广播其自己的时间表。在此过程中，由于使用了随机选择的时间并进行了调度，因此生成了多种调度。最后，创建了彼此不同的调度群集，并且由于监听时间不一致，这些群集边界上的节点无法彼此通信。在有关S-MAC的现有论文中，通过放置边界节点以采用彼此不同的调度表来解决此问题。但是，与其他节点相比，边界节点消耗更多的能量，并且根据广播类型的数据传输效率较低。本文提出了一种通过H-SYNC（Heartbeat-SYNC）方法统一调度的方法，解决了S-MAC的多样化调度问题，并通过仿真比较和评估其性能，发现边界节点消耗的能量更少。

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