研究目的
To develop a miniaturized RFID tag antenna with appreciably good read range characteristics for broadband operation over the UHF RFID band.
研究成果
The SRR loaded compact RFID tag exhibits good read range characteristics over the entire UHF RFID band, making it suitable for worldwide deployment. The design achieves miniaturization and broadband operation through SRR loading and a short circuited strip.
研究不足
The study focuses on the UHF RFID band and may not cover other frequency bands. The performance is evaluated under specific conditions and may vary in different environments.
1：Experimental Design and Method Selection:
The design involves a dipole antenna symmetrically loaded with square SRRs and a short circuited strip between the SRRs to achieve miniaturization and broadband operation.
2：Sample Selection and Data Sources:
The RFID tag is printed on a
3：6 mm thick FR-4 substrate with a loss tangent 002 and relative permittivity εr = List of Experimental Equipment and Materials:
Includes an Alien Higgs-3 RFID chip, CST Microwave studio for simulation, and an STA IR0507E reader for read range measurements.
4：Experimental Procedures and Operational Workflow:
The tag's performance is evaluated through simulation and measurement of read range characteristics across different angular ranges.
5：Data Analysis Methods:
The input impedance and read range are analyzed to ensure conjugate matching with the RFID chip and optimal performance.
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