Design and Development of Ultra Wide Band Reader for Automatic Identification Applications based on Chipless RFID

Authors: Nguyễn Thị Lan Hương, Hoàng Sĩ Hồng, Đào Trung Kiên, Nguyễn Việt Tùng, Nguyễn Công Thuần, Nguyễn Thanh Hường*


Automatic identification technologies such as RFID or barcode have been applied extensively and ubiquitously. With the cost reduction advantage, the chipless RFID technology offers a newly promising alternative for the traditional RFID system. The paper aims at designing and developing the hardware and software for the reading implementation of the frequency selective chipless RFID tags. The proposed reader is designed to operate in the frequency range of 2 to 4 GHz. Specific components of the digital control section as well as the RF section with the demodulation technique of the spectral ID are presented. A prototype of the reader is tested with a 3-bit tag in several cases. The results show that this reader architecture is feasible and suitable for real time multiple bit tag reading and can be easily modified if the tag capacity is increased and the frequency range is enlarged.


chipless RFID, ultra wideband (UWB), multi bit, chipless tag reader
Pages : 1-7

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