Contribution au développement d’antennes lecteurs champ proche pour les systèmes RFID UHF passifs

Abstract : RFID is one of the most popular technologies in this decade. However, its deployment at a high scale is limited by several technical and technological limitations as the read range of tags and their sensitivity to the application's environment. In this thesis we focus on the development of new reader antennas for Near Field UHF RFID systems. This type of system uses the UHF RFID band in near field zone for the traceability of miniature size targets on an area near the reader with a limited zone. Tags being outside this zone should not be detected by the reader .One of the objective of this thesis is to provide solutions in terms of readers and tag antennas to ensure detection tags on a confined area of space. Actually, we can read loop RFID tag (1*1 cm²) in contact (read range 0-10 cm). So we have to be able to ensure a good reading of tag (EM coupling) in a range from few centimeters to meters. Near field reader antenna developed in this thesis work, has a limited range between 20 and 30 cm with a large reading zone.
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Mossaab Daiki. Contribution au développement d’antennes lecteurs champ proche pour les systèmes RFID UHF passifs. Autre. Université Grenoble Alpes, 2015. Français. ⟨NNT : 2015GREAT020⟩. ⟨tel-01179964⟩

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