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首页> 外文期刊>Wireless Communications Letters, IEEE >Energy Harvesting and Spectrum Sharing Protocol for Wireless Sensor Networks
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Energy Harvesting and Spectrum Sharing Protocol for Wireless Sensor Networks

机译：无线传感器网络的能量收集和频谱共享协议

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摘要

In this letter, a novel approach for solving the power and spectrum issues in wireless sensor network (WSN) has been proposed. Typically, a deployed sensor node is programmed to periodically send the data to the central base station (CBS). Moreover, most of the sensor nodes are deployed in a hostile environment where replacing a power supply may not be feasible. In the proposed work, we intend to solve the dual problem of spectrum and power for WSN by utilizing techniques such as cooperative spectrum sharing (CSS) and RF (radio frequency) energy harvesting, respectively. Specifically, by characterizing the WSN as an energy constrained secondary user, which will harvest power and spectrum from the primary user, we have shown that significant performance gains can be obtained for both primary and secondary users. Closed form expressions for outage probability under a Nakagami fading channel have been derived for both primary and secondary users. Furthermore, the theoretical results have been compared with simulation results to validate the proposed analysis.
机译：在这封信中，提出了一种解决无线传感器网络（WSN）中功率和频谱问题的新颖方法。通常，将部署的传感器节点编程为定期将数据发送到中央基站（CBS）。而且，大多数传感器节点都部署在不利的环境中，在该环境中更换电源可能不可行。在拟议的工作中，我们打算分别利用协作频谱共享（CSS）和RF（射频）能量收集等技术来解决WSN频谱和功率的双重问题。具体而言，通过将WSN表征为能量受限的次要用户，它将从主要用户那里获取功率和频谱，我们已经表明，主要用户和次要用户都可以获得明显的性能提升。已经针对主要和次要用户推导了Nakagami衰落信道下中断概率的闭式表达式。此外，将理论结果与仿真结果进行了比较，以验证所提出的分析。

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