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Analysis of electromagnetic signature of Arabic alphabet as RF elementary coding particles

Part of: Chipless RFID

Published online by Cambridge University Press:  16 December 2015

Oussama Boularess ,
Hatem Rmili ,
Taoufik Aguili  and
Smail Tedjini
Oussama Boularess
Affiliation:
Sys'Com, ENIT, University of Tunis El Manar, BP 37, Belvédère 1002 Tunis, Tunisia. Phone: +966564063863
Hatem Rmili*
Affiliation:
Sys'Com, ENIT, University of Tunis El Manar, BP 37, Belvédère 1002 Tunis, Tunisia. Phone: +966564063863 Electrical and Computer Engineering Department, Faculty of Engineering, King Abdulaziz University, P.O. Box 80204, Jeddah 21589, Saudi Arabia
Taoufik Aguili
Affiliation:
Sys'Com, ENIT, University of Tunis El Manar, BP 37, Belvédère 1002 Tunis, Tunisia. Phone: +966564063863
Smail Tedjini
Affiliation:
Universty Grenoble-Alpes, LCIS, Valence 26902, France
*
Corresponding author: H. Rmili Email: [email protected]
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Abstract

This paper discusses the electromagnetic (EM) signature of Arabic alphabets that can be considered as standards particles to form chipless tags. Normalized Arial font is suited as example but the method can be applied for any other font. The letters are realized by metallic strips or better, by conductive ink. All the 28 letters have been simulated and their EM signatures for both field polarizations are extracted. It is demonstrated that combining vertical and horizontal responses allow the identification of letters without ambiguity. Moreover, the case of letter with punctuation (one to three points) is considered in more details. Indeed, we propose to modify very slightly these letters by connecting the points to the body of the letters. This connection is made by a unique straight and very thin strip. Under this modification these letters exhibit more exploitable signatures. Finally, a lookup table for identification of the 28 letters is carried out.

Keywords

ChiplessRFID
Type
Chipless RFID
Information
Wireless Power Transfer , Volume 2 , Special Issue 2: Chipless Technologies , September 2015 , pp. 97 - 106
Copyright
Copyright © Cambridge University Press 2015 

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References

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