RFID tag identification methods, devices, and algorithms based on eigen-mode technique

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United States of America Patent

PATENT NO 11068674
SERIAL NO

17175904

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Abstract

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A character Identification method has been proposed to obtain a specific reaction of a tag inside a printed chipless RFID system on a lossy dielectric substrate. The proposed technique is based on the eigenmode resonance to generate weight excitation coefficients and to extract a desired current distribution induced on the tag illuminated by a transmitter/receiver antennas arrays using the SVD-eigenmodes. The proposed methodology is based on techniques such as the proposed regrouping method to create groups of tags and the correlation method applied between a measure receive signal and the receive signal belong the library (or the create database). This method allows the confirmation/or not of the belonging of the tag to a group and the recognition of the measure tag based on two important parameters: the magnitude and the phase of an identification vector. The CIM method allows the user to better distinguish the tag from others, and to improve the independence from the environment.

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Patent Owner(s)

Patent OwnerAddress
KING ABDULAZIZ UNIVERSITYP O BOX 80200 JEDDAH 21589

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mittra, Raj Jeddah, SA 14 182
Oueslati, Donia Jeddah, SA 1 0
Rmili, Hatem Jeddah, SA 4 6
Turki, Yusuf Jeddah, SA 2 0

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