瑞利多径衰落环境下无线传感器网络的可用性与发射功率的关系

Dejan N. Milic, J. Anastasov, Danijel Đošić, Aldis Seferi
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引用次数: 0

摘要

本文给出了在瑞利多径衰落环境下,根据网络节点的射频输出功率,无线传感器网络完全可用的仿真结果。通过数值模拟计算并讨论了与任何一个传感器不可用的情况有关的停机概率。结果表明,应该寻求网络节点的停电概率和能量效率之间的权衡,从而在最高可容忍停电阈值下获得最低的所需输出功率。
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ON THE AVAILABILITY VERSUS TRANSMITTED POWER OF WIRELESS SENSOR NETWORKS IN RAYLEIGH MULTIPATH FADING ENVIRONMENTS
This paper presents simulation results for full availability of a wireless sensor network depending on the RF outputpower of the network nodes in Rayleigh multipath fading environment. Outage probability, relating to the situationin which any one of the sensors is unavailable, is computed by means of numerical simulation, and discussed. Theresults indicate that the trade-of between the outage probability and the energy eciency of the network nodes shouldbe sought, resulting in lowest required output power for the highest tolerable outage threshold.
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