Abstract
This paper presents a novel 1-bit reconfigurable reflective metasurface design that achieves wide impedance bandwidth for potential integrated sensing and communication (ISAC) applications. A dual-patch unit cell with a pin diode is proposed to realize two reflection states with 180° phase difference. Analysis based on equivalent circuit shows that the pin diode acts as an inductor and capacitor in the 'ON' and 'OFF' states, respectively. Full-wave simulations validate that the metasurface exhibits a 1-bit phase modulation between 15.5-27.5 GHz, corresponding to a 55.8% relative impedance bandwidth. Furthermore, an 18x18 metasurface array is simulated and a 39.1 % 3-dB gain bandwidth is achieved. Its wideband and reconfigurable features make it a potential solution for ISAC applications such as high-resolution radar imaging and sensing. © 2024 IEEE.
| Original language | English |
|---|---|
| Title of host publication | 15th Global Symposium on Millimeter-Waves and Terahertz, GSMM 2024 - Proceedings |
| Publisher | IEEE |
| Pages | 45-47 |
| ISBN (Electronic) | 9798350384956 |
| ISBN (Print) | 979-8-3503-8496-3 |
| DOIs | |
| Publication status | Published - 2024 |
| Event | 15th Global Symposium on Millimeter-Waves & Terahertz - City University of Hong Kong, Hong Kong, China Duration: 20 May 2024 → 22 May 2024 https://gsmm2024.org/ |
Publication series
| Name | Global Symposium on Millimeter-Waves and Terahertz, GSMM - Proceedings |
|---|
Conference
| Conference | 15th Global Symposium on Millimeter-Waves & Terahertz |
|---|---|
| Abbreviated title | GSMM 2024 |
| Place | Hong Kong, China |
| Period | 20/05/24 → 22/05/24 |
| Internet address |
Research Keywords
- Metasurface
- reconfigurable
- wideband
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