Journal
IEEE WIRELESS COMMUNICATIONS LETTERS
Volume 10, Issue 2, Pages 325-329Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2020.3029816
Keywords
Signal to noise ratio; Fading channels; Wireless communication; Receivers; Measurement; Physical layer security; Wireless sensor networks; Fading channels; large reflecting surfaces; phase errors; physical layer security; wireless communications
Categories
Funding
- Escuela Politecnica Nacional [PIGR-19-06]
- Spanish Government
- European Fund for Regional Development FEDER [TEC2017-87913-R]
- Junta de Andalucia [P18-RT-3175]
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The analysis of physical layer security (PLS) performance in wireless communication links with a large reflecting surface (LRS) and phase errors shows that LRS-aided communications have great potential to enhance PLS in practical wireless set-ups. The eavesdropper's link is Rayleigh distributed and independent of the legitimate link, demonstrating different scaling laws for legitimate and eavesdroppers signal-to-noise ratios with the number of reflecting elements. Additionally, even with coarse phase quantization, the performance is reasonably good, indicating promising results for PLS enhancements.
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 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.
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