Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections
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arXiv
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| Format: | Preprint |
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2025
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| author | Birari, Mahesh Nagarkoti, Deepak Singh Katsounaros, Anestis Mudireddy, Hruday Kumar Reddy Malik, Jagannath Alexandropoulos, George C. |
| author_facet | Birari, Mahesh Nagarkoti, Deepak Singh Katsounaros, Anestis Mudireddy, Hruday Kumar Reddy Malik, Jagannath Alexandropoulos, George C. |
| contents | This paper presents a novel dual-functional hybrid Reconfigurable Intelligent Surface (RIS) for simultaneous sensing and reconfigurable reflections. We design a novel hybrid unit cell featuring dual elements, which share the same phase center, to support both intended functionalities, with the antenna being miniaturized via a high dielectric material approach. The hybrid unit cell has a size of one eighth of the wavelength forming the foundation of an innovative metasurface that incorporates a sub-wavelength reflecting array of split-ring unit cells integrated with a load-tuning matrix. In particular, two interleaved sensing arrays of half-wavelength spacing, orthogonal polarization, and quarter-wavelength offset are embedded within the proposed dual-functional RIS, each tasked to sense the channel parameters towards one of the end communication nodes wishing to profit from the surface's reconfigurable reflections. Our full-wave simulations, indicatively centered around the frequency of $5.5$ GHz, showcase the promising performance of both designed hybrid unit cells and reflective split-ring ones. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_14042 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections Birari, Mahesh Nagarkoti, Deepak Singh Katsounaros, Anestis Mudireddy, Hruday Kumar Reddy Malik, Jagannath Alexandropoulos, George C. Hardware Architecture Emerging Technologies This paper presents a novel dual-functional hybrid Reconfigurable Intelligent Surface (RIS) for simultaneous sensing and reconfigurable reflections. We design a novel hybrid unit cell featuring dual elements, which share the same phase center, to support both intended functionalities, with the antenna being miniaturized via a high dielectric material approach. The hybrid unit cell has a size of one eighth of the wavelength forming the foundation of an innovative metasurface that incorporates a sub-wavelength reflecting array of split-ring unit cells integrated with a load-tuning matrix. In particular, two interleaved sensing arrays of half-wavelength spacing, orthogonal polarization, and quarter-wavelength offset are embedded within the proposed dual-functional RIS, each tasked to sense the channel parameters towards one of the end communication nodes wishing to profit from the surface's reconfigurable reflections. Our full-wave simulations, indicatively centered around the frequency of $5.5$ GHz, showcase the promising performance of both designed hybrid unit cells and reflective split-ring ones. |
| title | Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections |
| topic | Hardware Architecture Emerging Technologies |
| url | https://arxiv.org/abs/2501.14042 |