期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 15, 期 -, 页码 2000-2003出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2016.2549638
关键词
Chipless radio frequency identification; radar cross section (RCS); scatterer
资金
- Czech Science Foundation [GA15-08803S]
- Czech Technical University in Prague [SGS13/198/OHK3/3T/13]
- COST project [LD 14122WiPEELMAG, IC 1301 WiPE]
This letter presents significant improvement in robustness and recognizability of radar cross section (RCS) response of the two topologically rearranged 20-bit U-shaped strip-based tags for spectral signature-based chipless RFID systems. The space rearrangement of individual tag scatterers in the array reduces the interelement mutual coupling and, thus, significantly enhances the frequency and amplitude robustness of their RCS. In comparison to the original arrangement of scatterers, the measurement of tags designed for 2-4-GHz frequency band showed a significantly improved homogeneity of the RCS curve, which results in a more reliable recognition of coded information.
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