Optimized circular RFID tag antenna achieving extended detection range on metallic surfaces

IF 1.2 4区 工程技术 Q4 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
Amit Kumar Singh, A. K. Singh
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引用次数: 0

Abstract

In this paper layout of long detection range radio frequency identification tag antenna mountable on metallic surface is presented. This tag antenna layout consists of two non-connected L-shaped load bars and two sectorial patches electrically connected through seven pairs of vias and conducting rear-plane to form a loop antenna. This proposed tag antenna can be tuned in wide range for impedance matching and introduces circular polarization. The tag antenna characteristics are also measured on metal plate. The results show that maximum detection range of the specimen, placed on metallic plate found to be 8.4 ms. The measured 10 dB bandwidth of circular tag antenna is 17 MHz (906–923 MHz) with simulated 3 dB axial ratio bandwidth of 13 MHz. This circular tag antenna is simulated with 4 W EIRP reader.

优化的圆形RFID标签天线在金属表面上实现了扩展的探测范围
提出了一种安装在金属表面的远距离射频识别标签天线的设计方案。该标签天线布局由两个不连接的l型负载杆和两个扇形贴片组成,通过七对过孔电连接,并导电后平面形成环形天线。该标签天线可以在大范围内调谐以实现阻抗匹配,并引入圆极化。在金属板上测量了标签天线的特性。结果表明,试样放置在金属板上的最大探测范围为8.4 ms。圆形标签天线的实测10db带宽为17mhz (906 ~ 923 MHz),模拟3db轴比带宽为13mhz。采用4w EIRP阅读器对该圆形标签天线进行了仿真。
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来源期刊
Analog Integrated Circuits and Signal Processing
Analog Integrated Circuits and Signal Processing 工程技术-工程:电子与电气
CiteScore
0.30
自引率
7.10%
发文量
141
审稿时长
7.3 months
期刊介绍: Analog Integrated Circuits and Signal Processing is an archival peer reviewed journal dedicated to the design and application of analog, radio frequency (RF), and mixed signal integrated circuits (ICs) as well as signal processing circuits and systems. It features both new research results and tutorial views and reflects the large volume of cutting-edge research activity in the worldwide field today. A partial list of topics includes analog and mixed signal interface circuits and systems; analog and RFIC design; data converters; active-RC, switched-capacitor, and continuous-time integrated filters; mixed analog/digital VLSI systems; wireless radio transceivers; clock and data recovery circuits; and high speed optoelectronic circuits and systems.
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