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首页> 外文期刊>Antennas and Wireless Propagation Letters, IEEE >Dual-Band UHF-RFID Tags Based on Meander-Line Antennas Loaded With Spiral Resonators
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Dual-Band UHF-RFID Tags Based on Meander-Line Antennas Loaded With Spiral Resonators

机译：基于装有螺旋谐振器的曲折线天线的双频UHF-RFID标签

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摘要

The purpose of this letter is to implement dual-band tags for ultrahigh-frequency (UHF) radio frequency identification (RFID) applications operative in Europe and the US. Since the regulated bands of UHF-RFID in Europe (867 MHz) and the US (915 MHz) are close, broadband tags might be also considered. However, it is demonstrated in this letter that the performance of dual-band tags designed to operate at the frequency bands of interest is superior to that of broadband (monoband) tags. A meander-line antenna (MLA) has been considered for tag implementation. The dual-band functionality is achieved through a perturbation method consisting of coupling an electrically small resonator [a two-turn spiral resonator (2-SR)] to the antenna. The analysis, design, and fabrication of a dual-band UHF-RFID tag has been carried out. The measured performance of the fabricated prototype is in good agreement with theory. Measured read ranges of 6 and 8 m at the European and US frequency bands, respectively, have been obtained.
机译：这封信的目的是为在欧洲和美国运行的超高频（UHF）射频识别（RFID）应用实现双频标签。由于欧洲（867 MHz）和美国（915 MHz）的UHF-RFID的管制频段很近，因此也可以考虑使用宽带标签。但是，在这封信中证明了，设计用于感兴趣频段的双频带标签的性能优于宽带（单频带）标签。曲折线天线（MLA）已考虑用于标签实现。双频功能是通过一种扰动方法实现的，该方法包括将一个电小的谐振器[一个两匝螺旋谐振器（2-SR）]耦合到天线。已经进行了双频带UHF-RFID标签的分析，设计和制造。所制造的原型的测量性能与理论吻合良好。在欧洲和美国频段分别获得了6 m和8 m的测量读取范围。

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