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Platform Tolerant and Conformal RFID Tag Antenna: Design, Construction and Measurements

机译:平台公差和共形的RFID标签天线:设计,构造和测量

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摘要

This paper presents the design of a novel platform tolerant and conformal RFID (Radio Frequency Identification) tag antenna, which operates at the 902-928 MHz UHF band. The antenna has a simple, low-profile (1.8 mm thick) structure. It consists of two microstrip patches, which are separated by a narrow gap and driven by a microchip in the gap. The tag is designed to complex conjugate match an Alien-Higgs2 microchip. The performance of the tag is investigated on different surfaces (free space, human and metal) through simulations using parameters like power reflection coefficient, input impedance and radiation patterns. The effects of bending are investigated on the tag design. Experimental read-range, radiation pattern and impedance measurements are performed for the tag. High Frequency Structure Simulator (HFSS) simulation validation has been achieved due to excellent agreement with measurements for this particular application. The experimental measurements show that the maximum boresight average read range of the designed RFID tag on different platforms is about 3.5m (4 W EIRP).
机译:本文介绍了一种新颖的平台耐受和共形RFID(射频识别)标签天线的设计,该天线工作在902-928 MHz UHF频段。该天线具有简单,低调(1.8毫米厚)的结构。它由两个微带贴片组成,这些微带贴片由一个狭窄的缝隙隔开,并由缝隙中的微芯片驱动。该标签设计用于复杂共轭匹配Alien-Higgs2微芯片。通过使用功率反射系数,输入阻抗和辐射方向图等参数进行仿真,可以研究标签在不同表面(自由空间,人类和金属)上的性能。研究了弯曲对标签设计的影响。对标签执行实验读取范围,辐射方向图和阻抗测量。高频结构模拟器(HFSS)的仿真验证是由于与该特定应用的测量非常吻合。实验测量表明,在不同平台上设计的RFID标签的最大视轴平均读取范围约为3.5m(4 W EIRP)。

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