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用于超高频传感器应用的多端口圆极化射频识别标签天线。

Multiport Circular Polarized RFID-Tag Antenna for UHF Sensor Applications.

作者信息

Zaid Jamal, Abdulhadi Abdulhadi, Kesavan Arun, Belaizi Yassin, Denidni Tayeb A

机构信息

Institut National de la Recherche Scientifique Centre Centre Énergie Matériaux Télécommunications 800, De La Gauchetière Ouest Bureau 6900, Montréal, QC H5A 1K6, Canada.

IES-UMR CNRS 5214 Université de Montpellier, 34095 Montpellier Cedex 5, France.

出版信息

Sensors (Basel). 2017 Jul 5;17(7):1576. doi: 10.3390/s17071576.

DOI:10.3390/s17071576
PMID:28678178
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5539847/
Abstract

A circular polarized patch antenna for UHF RFID tag-based sensor applications is presented, with the circular polarization (CP) generated by a new antenna shape, an asymmetric stars shaped slotted microstrip patch antenna (CP-ASSSMP). Four stars etched on the patch allow the antenna's size to be reduced by close to 20%. The proposed antenna is matched with two RFID chips via inductive-loop matching. The first chip is connected to a resistive sensor and acts as a sensor node, and the second is used as a reference node. The proposed antenna is used for two targets, serving as both reference and sensor simultaneously, thereby eliminating the need for a second antenna. Its reader can read the RFID chips at any orientation of the tag due to the CP. The measured reading range is about 25 m with mismatch polarization. The operating frequency band is 902-929 MHz for the two ports, which is covered by the US RFID band, and the axial-ratio bandwidth is about 7 MHz. In addition, the reader can also detect temperature, based on the minimum difference in the power required by the reference and sensor.

摘要

本文提出了一种用于基于超高频射频识别（UHF RFID）标签的传感器应用的圆极化贴片天线，其圆极化（CP）由一种新型天线形状产生，即非对称星形开槽微带贴片天线（CP-ASSSMP）。贴片上蚀刻的四颗星使天线尺寸减小了近20%。所提出的天线通过电感环匹配与两个RFID芯片匹配。第一个芯片连接到电阻式传感器并充当传感器节点，第二个用作参考节点。所提出的天线用于两个目标，同时作为参考和传感器，从而无需第二个天线。由于采用了圆极化，其阅读器可以在标签的任何方向读取RFID芯片。在极化失配的情况下，测量的读取范围约为25米。两个端口的工作频带为902 - 929 MHz，属于美国RFID频段覆盖范围，轴比带宽约为7 MHz。此外，阅读器还可以根据参考和传感器所需功率的最小差值来检测温度。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/afa40455cc1b/sensors-17-01576-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/2d515d579046/sensors-17-01576-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/7600132b16ff/sensors-17-01576-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/abbd3d1bc797/sensors-17-01576-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/2655763a386a/sensors-17-01576-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/6b24917f51ef/sensors-17-01576-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/9869b47cd9e3/sensors-17-01576-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/712de7cef11a/sensors-17-01576-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/8304d3ea943c/sensors-17-01576-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/92a472034209/sensors-17-01576-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/b440579c17ab/sensors-17-01576-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/9c42a6157407/sensors-17-01576-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/01f649979abf/sensors-17-01576-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/c3b1275e3c5b/sensors-17-01576-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/afa40455cc1b/sensors-17-01576-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/2d515d579046/sensors-17-01576-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/7600132b16ff/sensors-17-01576-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/abbd3d1bc797/sensors-17-01576-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/2655763a386a/sensors-17-01576-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/6b24917f51ef/sensors-17-01576-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/9869b47cd9e3/sensors-17-01576-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/712de7cef11a/sensors-17-01576-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/8304d3ea943c/sensors-17-01576-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/92a472034209/sensors-17-01576-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/b440579c17ab/sensors-17-01576-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/9c42a6157407/sensors-17-01576-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/01f649979abf/sensors-17-01576-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/c3b1275e3c5b/sensors-17-01576-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b29/5539847/afa40455cc1b/sensors-17-01576-g014.jpg

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引用本文的文献

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