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Electronics 2017, 6(1), 4; doi:10.3390/electronics6010004

A Novel Channel Coding Scheme for RFID Generation-2 Systems

Dipartimento di Ingegneria Industriale e dell’Informazione, University of Pavia, 27100 Pavia, Italy
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Academic Editors: Michael Sheng and Ali Shemshadi
Received: 12 September 2016 / Revised: 9 December 2016 / Accepted: 23 December 2016 / Published: 30 December 2016
(This article belongs to the Special Issue RFID Systems and Applications)
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Abstract

Low complexity and efficient algorithms for Radio-Frequency Identification (RFID) are crucial to foster low-cost and energy-saving solutions. With the aim of lowering the complexity of the radio circuitry, and inspired by the superposition codes concept, we propose a novel encoding algorithm for tag-to-reader communication channels of modern RFID systems. We show that the developed scheme—despite the simplicity of its hardware realization—allows a coding gain comparable to the one obtained by the more complex Viterbi decoding of the Miller 4 modulation scheme used in the EPC Generation 2 Class 1 RFID standard. Simulation results prove the effectiveness of the proposed solution for low-cost tags, under different signal-to-noise ratios (SNRs) and interrogation time durations. Although our numerical evaluation mainly focuses on the EPC Generation-2 standard, we believe that the proposed scheme will also be attractive for future Ultra-wideband RFID systems. View Full-Text
Keywords: RFID; wireless coding; line codes RFID; wireless coding; line codes
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Supplementary material

  • Externally hosted supplementary file 1
    Doi: 10.5281/zenodo.62075
    Description: Source code for the modified MATLAB simulator of EPC Gen-2 C1 MAC Layer

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Goldoni, E.; Savazzi, P.; Vizziello, A. A Novel Channel Coding Scheme for RFID Generation-2 Systems. Electronics 2017, 6, 4.

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