The physical layer security (PLS) performance of a wireless communication link through a large reflecting surface (LRS) with phase errors is analyzed. Leveraging recent results that express the \ac{LRS}-based composite channel as an equivalent scalar fading channel, we show that the eavesdropper's link is Rayleigh distributed and independent of the legitimate link. The different scaling laws of the legitimate and eavesdroppers signal-to-noise ratios with the number of reflecting elements, and the reasonably good performance even in the case of coarse phase quantization, show the great potential of LRS-aided communications to enhance PLS in practical wireless set-ups.

中文翻译：

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具有相位误差的大反射面辅助通信的物理层安全

分析了通过具有相位误差的大反射面 (LRS) 的无线通信链路的物理层安全 (PLS) 性能。利用最近将基于\ac{LRS} 的复合信道表示为等效标量衰落信道的结果，我们表明窃听者的链路是瑞利分布的，并且与合法链路无关。合法和窃听者信噪比与反射元件数量的不同缩放规律，以及即使在粗相位量化的情况下也具有相当好的性能，表明 LRS 辅助通信在实际中增强 PLS 的巨大潜力无线设置。