Enhancing the physical layer security with bending beams
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866911614961188864 |
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| author | Droulias, Sotiris Stratidakis, Giorgos Alexiou, Angeliki |
| author_facet | Droulias, Sotiris Stratidakis, Giorgos Alexiou, Angeliki |
| contents | Wavefront engineering for applications in near-field wireless connectivity is gradually becoming common ground. In this landscape, beams that propagate on bent paths are ideal candidates for dynamic blockage avoidance and suppression of potential eavesdropping. In this work we study the physical layer security offered by bending beams, and we demonstrate their capabilities for line-of-sight and non-line-of-sight eavesdropping. We analyze the dependencies between the possible locations of an eavesdropper and the design parameters of such beams, and we introduce metrics to assess their physical layer security performance. Our results demonstrate their superiority with respect to beams generated with conventional beam-forming. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_20583 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Enhancing the physical layer security with bending beams Droulias, Sotiris Stratidakis, Giorgos Alexiou, Angeliki Signal Processing Applied Physics Wavefront engineering for applications in near-field wireless connectivity is gradually becoming common ground. In this landscape, beams that propagate on bent paths are ideal candidates for dynamic blockage avoidance and suppression of potential eavesdropping. In this work we study the physical layer security offered by bending beams, and we demonstrate their capabilities for line-of-sight and non-line-of-sight eavesdropping. We analyze the dependencies between the possible locations of an eavesdropper and the design parameters of such beams, and we introduce metrics to assess their physical layer security performance. Our results demonstrate their superiority with respect to beams generated with conventional beam-forming. |
| title | Enhancing the physical layer security with bending beams |
| topic | Signal Processing Applied Physics |
| url | https://arxiv.org/abs/2604.20583 |