Thin Film Reconfigurable Intelligent Surface for Harmonic Beam Steering
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arXiv
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| Format: | Preprint |
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2024
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| author | Xie, Boxuan Kuznetsov, Aleksandr D. Mela, Lauri Lietzén, Jari Ruttik, Kalle Karakoç, Alp Jäntti, Riku |
| author_facet | Xie, Boxuan Kuznetsov, Aleksandr D. Mela, Lauri Lietzén, Jari Ruttik, Kalle Karakoç, Alp Jäntti, Riku |
| contents | This letter explores an implementation of a novel thin film 1-by-4 reconfigurable intelligent surface (RIS) designed for future communication and sensing scenarios. Utilizing cost-effective inkjet printing methods and additive manufacturing, our approach significantly simplifies the RIS construction process and reduces production costs. The RIS, fabricated on a flexible and lightweight polyethylene terephthalate (PET) substrate, integrates antennas, switching circuitry, and a microcontroller unit (MCU), without a ground shield. This setup enables individual and simultaneous control of each RIS element, manipulating the captured carrier signal by reflecting and refracting its dominant harmonics. Beams of the harmonics can be steered to multiple desired directions at both front and back sides of the surface. Measurement results of the beam steering show that the RIS has the potential to enable RIS-aided communication and sensing applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_06343 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Thin Film Reconfigurable Intelligent Surface for Harmonic Beam Steering Xie, Boxuan Kuznetsov, Aleksandr D. Mela, Lauri Lietzén, Jari Ruttik, Kalle Karakoç, Alp Jäntti, Riku Signal Processing Systems and Control This letter explores an implementation of a novel thin film 1-by-4 reconfigurable intelligent surface (RIS) designed for future communication and sensing scenarios. Utilizing cost-effective inkjet printing methods and additive manufacturing, our approach significantly simplifies the RIS construction process and reduces production costs. The RIS, fabricated on a flexible and lightweight polyethylene terephthalate (PET) substrate, integrates antennas, switching circuitry, and a microcontroller unit (MCU), without a ground shield. This setup enables individual and simultaneous control of each RIS element, manipulating the captured carrier signal by reflecting and refracting its dominant harmonics. Beams of the harmonics can be steered to multiple desired directions at both front and back sides of the surface. Measurement results of the beam steering show that the RIS has the potential to enable RIS-aided communication and sensing applications. |
| title | Thin Film Reconfigurable Intelligent Surface for Harmonic Beam Steering |
| topic | Signal Processing Systems and Control |
| url | https://arxiv.org/abs/2406.06343 |