Improvement in read range of an UHF RFID newborn hospital monitoring system using meander line antennas

2014 IEEE Colombian Conference on Communications and Computing (COLCOM) Pub Date : 2014-06-04 DOI:10.1109/COLCOMCON.2014.6860415

L. F. Lagunes-Aranda, Luis E. Carrion-Rivera, G. Zamora-Mejía, Ruben A. Gonzalez-Benitez, A. G. Martinez-Lopez, J. Martínez-Castillo

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引用次数: 4

Abstract

Theft and exchange of newborns have rise its numbers becoming this topic a big issue that must be face up by hospitals. Closed Circuit Television (CCTV) surveillance is one of the most used solutions. However, CCTV needs human operator and a highly implementation cost. Ultra High Frequency Radio IDentification (UHF RFID) brings an easy and cheap solution to this problematic because of automatic real time control and monitoring of passive elements called tags. This work presents the design of two UHF RFID meander line antennas for newborn hospital monitoring applications. The first antenna is implemented on printed circuit board (PCB) obtaining a read range of 8.25m, a read range improvement of 2.25m is observed compared with commercially available passive systems. The second antenna is fabricated on Rogers Duroid 5880 flexible substrate allowing adhesion to any surface shape, a read range of 6m is obtained. Comercially available system used as reference is composed by a reader CSL 461 and passive tag Confidex Carrier. In order to illustrate this improvement, a monitoring system layout prototype is proposed.

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弯曲线天线对超高频RFID新生儿医院监测系统读取范围的改进

新生儿被盗和交换的数量越来越多，成为医院必须面对的一个大问题。闭路电视(CCTV)监控是最常用的解决方案之一。但是，闭路电视需要人工操作，且实施成本高。超高频射频识别(UHF RFID)为这一问题提供了一个简单而廉价的解决方案，因为它可以自动实时控制和监测被称为标签的无源元件。这项工作提出了两个超高频RFID弯曲线天线的设计，用于新生儿医院监测应用。第一个天线在印刷电路板(PCB)上实现，读取范围为8.25m，与市售无源系统相比，读取范围提高了2.25m。第二个天线是在罗杰斯Duroid 5880柔性基板上制造的，允许粘附到任何表面形状，读取范围为6m。作为参考的市售系统由阅读器CSL 461和无源标签Confidex Carrier组成。为了说明这种改进，提出了一个监控系统布局原型。

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2014 IEEE Colombian Conference on Communications and Computing (COLCOM)

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