Physical Layer Security of Large Reflecting Surface Aided Communications with Phase Errors
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2020
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| _version_ | 1866913566377902080 |
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| author | Sanchez, Jose David Vega Ramirez-Espinosa, Pablo Lopez-Martinez, F. Javier |
| author_facet | Sanchez, Jose David Vega Ramirez-Espinosa, Pablo Lopez-Martinez, F. Javier |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2007_12859 |
| institution | arXiv |
| publishDate | 2020 |
| record_format | arxiv |
| spellingShingle | Physical Layer Security of Large Reflecting Surface Aided Communications with Phase Errors Sanchez, Jose David Vega Ramirez-Espinosa, Pablo Lopez-Martinez, F. Javier Information Theory Signal Processing 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. |
| title | Physical Layer Security of Large Reflecting Surface Aided Communications with Phase Errors |
| topic | Information Theory Signal Processing |
| url | https://arxiv.org/abs/2007.12859 |