变交通条件下p-persistent CSMA的能源效率

2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2008-12-08 DOI:10.1109/PIMRC.2008.4699841

K. Voulgaris, I. Ashraf, T. Karveli, H. Aghvami

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引用次数: 2

摘要

电池供电的无线传感器网络(WSNs)在能量上受到高度限制。为了最大化节点和网络的生命周期，必须优化能源使用。在本文中，我们分析了非饱和条件下p-persistent CSMA的能量消耗来源，表明在狭窄的交通负载范围内实现了最大效率。此外，最优流量负载是节点消耗特性的函数，它不能保证最大的系统吞吐量。我们的分析框架可以应用于各种CSMA变体，从而有助于wsn的介质访问控制(MAC)协议的设计。

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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Energy efficiency of p-persistent CSMA under variable traffic conditions

Battery-powered wireless sensor networks (WSNs) are highly constrained in energy. In order to maximize the node and network lifetime, the energy usage has to be optimized. In this paper, we analyze the sources of energy consumption in p-persistent CSMA for non-saturated conditions, showing that maximum efficiency is achieved for a narrow range of traffic load. Furthermore, the optimum traffic load is a function of the consumption characteristics of the node and it does not guarantee maximum system throughput. Our analytical framework can be applied in various CSMA variants, thus aiding in the design of Medium Access Control (MAC) protocols for WSNs.

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来源期刊

2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications

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