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arXiv 2006.00328cs.ITmath.IT
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Kullback-Leibler分布不确定性下的无线功率传输:一个数学框架

Wireless Power Transfer Under Kullback-Leibler Distribution Uncertainty: A Mathematical Framework

Ioannis Krikidis

摘要:

在这封信中,我们研究了能量收集分布不确定性下的无线功率传输系统的性能。的不确定性捕获实际的非理想性的整流过程中,并建模为最大的Kullback-Leibler距离的实际分布从名义上的分布。还考虑了对称化发散被认为是分布之间的统计距离的情况。通过制定一个凸优化问题,我们研究了一个数学框架,提供了封闭的形式表达的最小平均收获的能量(最差的性能)和相关的统计分布。理论结果表明,能量收集性能显着下降的不确定性的水平增加。

英文摘要:

In this letter, we study the performance of a wireless power transfer system under energy harvesting distribution uncertainty. The uncertainty captures practical nonidealities of the rectification process and is modelled as the maximum Kullback-Leibler distance of the actual distribution from a nominal distribution. The case where symmetrized divergence is considered for the statistical distance between distributions is also considered. By formulating a convex optimization problem, we investigate a mathematical framework that provides closed form expressions for the minimum average harvested energy (the worst performance) and the associated statistical distribution. Theoretical results show that the energy harvesting performance is significantly degraded as the level of the uncertainty increases.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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