UAV-assited Wireless Powered Sensor Network over Rician Shadowed Fading Channels

S. Panic, T. D. P. Perera, D. Jayakody, C. Stefanovic, B. Prlincevic
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引用次数: 7

Abstract

In this paper, we are observing scenario of unmanned aerial vehicle (UAV) data collection from sensor network, where each sensor harvests energy from the data-collecting UAV for its own information transmission. In first time instant, the wireless energy transfer (WET) to sensor nodes is performed, while in second time instant UAV collects data from sensor nodes. In order to take into account the possibility of occurrence of obstacles, that could block the line-of-sight (LOS) link in-between sensor nodes and UAV, and to in order to observe fluctuations of the LOS signal that are brought by shadowing effect, we have used the assumption of Rician Shadowed fading channels and analyzed the outage probability (OP) properties of such network. Closed form expression are derived for OP, and OP features are observed and discussed in the function of system parameters such are shadowing severity, targeted information rate, UAV location, and the time ratio of WET.
雷达阴影衰落信道下的无人机辅助无线传感网络
在本文中,我们观察了无人机从传感器网络中采集数据的场景,其中每个传感器从采集数据的无人机中获取能量,用于自己的信息传输。无人机在第一次瞬间向传感器节点进行无线能量传输,在第二次瞬间从传感器节点收集数据。为了考虑传感器节点与无人机之间视距(LOS)链路出现障碍物的可能性,以及为了观察阴影效应带来的LOS信号波动,我们采用了fourier阴影衰落信道假设,并分析了该网络的中断概率(OP)特性。推导了OP的封闭形式表达式,观察并讨论了OP在阴影严重程度、目标信息率、无人机位置、WET时间比等系统参数函数中的特征。
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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