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Abstract
The paper presents a proof-of-concept of a millimeter-wave identification system based on Van Atta array tags in the 60 GHz band. For interrogation of the tags, a vector network analyzer and a measurement transceiver were employed in alternative test configurations. The design, fabrication and measurements of co- and cross-polarized Van Atta arrays are presented in the paper. They can be treated as simple chipless RFID tags with frequency-response-based identification. Tags with various resonance frequencies are designed by scaling an optimized base model. The designed 57–67 GHz co-polarized and cross-polarized tags have small dimensions of approximately 23 mm 21 mm and 40 mm 25 mm, and they exhibit radar cross-section (RCS) levels of 16 dBsm and 21 dBsm, respectively. Owing to the retrodirective properties of Van Atta arrays, the RCS can be maintained at a high level within a broad range of angles of incidence. The system was validated in an anechoic chamber where the spectral responses of all the manufactured tags can be clearly distinguished from the environment, enabling their identification. Tests in a reflective environment were also performed, and they have shown that only the cross-polarized tags could be detected and identified in the presence of reflections from the tags’ surroundings.
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/s22249809
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
SENSORS
no. 22,
ISSN: 1424-8220 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Trzebiatowski K., Rzymowski M., Kulas Ł., Nyka K.: Simple Millimeter Wave Identification System Based on 60 GHz Van Atta Arrays// SENSORS -Vol. 22,iss. 24 (2022), s.9809-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/s22249809
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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