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arXiv 2002.05206eess.SP
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N波功率扩散衰落信道的保密性能研究

On the Secrecy Performance Over N-Wave with Diffuse Power Fading Channel

José David Vega Sánchez, Diana Pamela Moya Osorio, F. Javier López-Martínez, Martha Cecilia Paredes, Luis Urquiza-Aguiar

摘要:

我们研究了具有扩散功率(NWDP)衰落模型的N波上的物理层安全性,该模型通常在毫米波通信和新兴5G技术的背景下的现实无线场景中遇到。更具体地说,新的和精确的表达式的秘密中断概率(SOP)和下界的秘密中断概率推导出著名的初等和特殊的功能。此外,我们提供了非常有用的见解增加的影响:数量,相对振幅和功率的主要镜面组件,以提高保密性能。在这种情况下,我们表明,它是可以实现一个非常好的保密性能时:(一)窃听信道的主导镜面分量的相对幅度是足够大的那些相对幅度相比,占主导地位的组件的合法信道窃听信道,和(ii)的功率鲍勃的主导成分是显着大于夏娃的主导射线的功率。所提出的表达式的有效性通过Monte Carlo模拟确认。

英文摘要:

We investigate the physical layer security over N-wave with diffuse power (NWDP) fading model, which is typically encountered in realistic wireless scenarios in the context of millimeter-wave communications and emerging 5G technologies. More specifically, novel and exact expressions of the secrecy outage probability (SOP) and the lower bound of the secrecy outage probability are derived in terms of well-known elementary and special functions. Furthermore, we provide very useful insights on the impact of increasing: the number, the relative amplitudes and the power of the dominant specular components for improving secrecy performance. In this context, we show that it is possible to achieve a very good secrecy performance when: (i) the relative amplitudes of the dominant specular components for the eavesdropper channel are sufficiently large compared to those relative amplitudes of the dominant components for the legitimate channel eavesdropper channel, and (ii) the power of the Bob's dominant components is significantly greater than the power of the Eve's dominant rays. The validity of the proposed expressions is confirmed via Monte Carlo simulations.

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