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Signal Space Representation of Chipless RFID Tag Frequency Signatures

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3 Author(s)
Prasanna Kalansuriya ; Dept. of Electr. & Comput. Syst. Eng., Monash Univ., Melbourne, VIC, Australia ; Nemai Karmakar ; Emanuele Viterbo

A novel approach to decode information in a chipless RFID tag using signal space representation (SSR) is presented. SSR represents 2b possible tag signatures of a b-bit tag as linear combinations of a small set of L orthonormal basis functions. Each signature encoding a binary bit sequence is represented by a point in an L-dimensional constellation. Prototype 3-bit chipless RFID tags are used to validate the detection technique. The proposed method gives a solid mathematical framework to develop detection and decoding methods for more complicated tag reading scenarios.

Published in:

Global Telecommunications Conference (GLOBECOM 2011), 2011 IEEE

Date of Conference:

5-9 Dec. 2011