无线供电友好的干扰器物理层安全

2015 International Conference on Wireless Communications & Signal Processing (WCSP) Pub Date : 2015-12-03 DOI:10.1109/WCSP.2015.7341126

Wanchun Liu, Xiangyun Zhou, S. Durrani

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引用次数: 2

摘要

探索合作节点作为友好干扰器是在存在窃听者的情况下提供源-目标对之间安全通信的有效手段。在这项工作中，我们考虑使用无线供电的友好干扰器。友好型干扰机不依赖外部供电，由源节点通过无线传输供电。我们采用一种简单的时间交换协议，其中功率传输和干扰机辅助的安全传输发生在不同的时间块中。通过研究通信协议的长期行为，我们得到了吞吐量的封闭表达式。在保密中断概率约束下，进一步优化干扰功率和速率参数，使吞吐量最大化。

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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Wireless-powered friendly jammer for physical layer security

Exploring a cooperative node as a friendly jammer is an effective means of providing secure communication between a source-destination pair in the presence of an eavesdropper. In this work, we consider the use of a wireless-powered friendly jammer. Without relying on external energy supply, the friendly jammer is powered by the source node via wireless power transfer. We apply a simple time-switching protocol where the power transfer and jammer-assisted secure transmission occur in different time blocks. By investigating the long-term behavior of the communication protocol, we derive a closed-form expression of the throughput. We further optimize the jamming power and the rate parameters for maximizing the throughput subject to a secrecy outage probability constraint.

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2015 International Conference on Wireless Communications & Signal Processing (WCSP)

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