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All Journal International Journal of Electrical and Computer Engineering
Gnamele, N'tcho Assoukpou Jean
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Computer Science & IT Electrical & Electronics Engineering

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Target loop antenna prototype with magnetic field reduction method Assamoi, Claude Daniel; Ouattara, Yelakan Berenger; Youan, Bi Tra Jean Claude; Gnamele, N'tcho Assoukpou Jean; Doumbia, Vafi
International Journal of Electrical and Computer Engineering (IJECE) Vol 14, No 5: October 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v14i5.pp5274-5284

Abstract

This paper proposes a new large loop antenna with a reduced magnetic field for a near field communication (NFC) target used in a metallic environment. It also defines a fairly clear method for controlling and, more specifically, reducing the magnetic field associated with loop antennas. This antenna consists of a circular winding, inside which we insert a square winding arranged in the shape of a diamond. The particular structure of this antenna shows that it is possible to dissociate the increase in the induced magnetic field, linked to its large size, from the increase in the number of windings. This is made possible by the application of the physical principle of overlapping magnetic fields, which results in partially destructive interference.
Co-Authors Assamoi, Claude Daniel Doumbia, Vafi Ouattara, Yelakan Berenger Youan, Bi Tra Jean Claude