NDLI: Very narrow band sensor antenna for accurate data reading

Content Provider	IET Digital Library
Author	Bitchikh, M. Ghanem, F.
Abstract	A purely radio-frequency wireless sensor capable of measuring physical parameters with a very low energy consumption is presented. By integrating a capacitive temperature sensor (a change in temperature is traduced by a change in a capacity value) to a very narrowband antenna, the antenna operating frequency band becomes controlled by the surrounding temperature that translates it, depending on its value. By making sure that there is a bijection between the surrounding temperature and the antenna operating band in the considered two ranges, there is no need to use any digital data to wirelessly transmit the information about the temperature. In this case, an important energy consumption reduction could be achieved since the whole wireless sensor would be composed of only a wideband pulse generator and the sensor antenna that selects the band to transmit based on the temperature. To demonstrate the concept, a prototype has been built by modelling the capacitive sensor with a varying capacitance. Both simulated and measured results show a reasonably good agreement which validates the concept.
Starting Page	678
Ending Page	680
Page Count	3
ISSN	00135194
Volume Number	54
e-ISSN	1350911X
Issue Number	Issue 11, May (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/54/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2018.0631
Journal	Electronics Letters
Publisher Date	2018-04-18
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Accurate Data Antenna Antenna Operating Band Antenna Operating Frequency Band Capacitive Sensor Capacitive Temperature Sensor Capacity Value Digital Data Important Energy Consumption Reduction Low Energy Consumption Narrow Band Sensor Antenna Narrowband Antenna Physical Parameter Pulse Generator Purely Radio-frequency Wireless Sensor Radio Link And Equipment Sensing Device And Transducers Simulated Measured Result Single Antenna Surrounding Temperature Temperature Sonsor Varying Capacitance Wireless Sensor Network
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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