Optimization of RFID Sensor With Frequency Modulation

Md. Mazidul Islam

doi:10.1109/JSEN.2016.2577378

2016-08-01

PRE

DOI：10.1109/JSEN.2016.2577378

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摘要

En 中文

Sensing capabilities of radio frequency identification (RFID) have recently been investigated both theoretically and experimentally. Frequency-modulated sensors utilize the modulation frequency for carrying sensor information when interrogated by a reader device. This paper derives analytical expressions for optimizing the electrical circuitry of such a sensor, as well as a figure of merit for selecting a suitable diode for rectification. A novel design strategy for optimizing an RFID sensor based on frequency modulation is presented, and it is used to design, fabricate, and experimentally characterize an optimized sensor. The result of this paper shows that a change in the sensor capacitance can be detected across a distance of 15 m with low uncertainty.

Keyword:

Diode

mixer

modulation

oscillator

radiofrequency identification (RFID)

rectifier

wireless sensor

AI总结

对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。

期刊

IEEE Sensors Journal

IF:

4.5

论文数:

2.2W

被引数:

7.3W

机构

Aalto University

学者数:

1.6W

论文数: 1.5W

被引数: 2.1W

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