A MAC Protocol for Power Reduction in Wireless Sensor Networks Based on Load Estimation

2011 International Conference on Broadband and Wireless Computing, Communication and Applications Pub Date : 2011-10-26 DOI:10.1109/BWCCA.2011.19

A. Koyama, Ryoma Watanabe, L. Barolli

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Abstract

In sensor networks, small sensor nodes which are distributed in an area send various data and send them to the sink node by multi-hop transmission. The sensor networks cover various application fields such as safety management, health management, grasping of nature environment, military and so on. The sensor networks will be used as a technique for constructing ubiquitous society because of low cost and easy construction. However, since the nodes are small, the consumption power is limited. Also, they have problems with transmission power and speed. To solve these problems, various protocols are proposed. In this paper, we propose a MAC protocol for power reduction based on load estimation called R-MAC. The R-MAC estimates the network load and its behavior is adapted based on the network load. Therefore, it is possible to improve the power consumption and transmission delay. We evaluated the performance of R-MAC protocol by computer simulation and verified that R-MAC has better performance than S-MAC protocol.

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一种基于负荷估计的无线传感器网络降功耗MAC协议

在传感器网络中，分布在一个区域内的小传感器节点发送各种数据，并通过多跳传输的方式发送给汇聚节点。传感器网络涵盖了安全管理、健康管理、自然环境把握、军事等各个应用领域。传感器网络具有成本低、建设方便等优点，将成为建设泛在社会的一种技术手段。但是，由于节点较小，因此消耗能力有限。此外，它们在传输功率和速度方面也存在问题。为了解决这些问题，提出了各种协议。在本文中，我们提出了一种基于负荷估计的MAC协议，称为R-MAC。R-MAC估计网络负载，并根据网络负载调整其行为。因此，有可能提高功耗和传输延迟。通过计算机仿真对R-MAC协议的性能进行了评估，验证了R-MAC协议的性能优于S-MAC协议。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2011 International Conference on Broadband and Wireless Computing, Communication and Applications

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