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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Modeling and Simulation of New Encoding Schemes for High-Speed UHF RFID Communication

  • Mo, Sang-Hyun (IT Convergence Technology Research Laboratory, ETRI) ;
  • Bae, Ji-Hoon (IT Convergence Technology Research Laboratory, ETRI) ;
  • Park, Chan-Won (IT Convergence Technology Research Laboratory, ETRI) ;
  • Bang, Hyo-Chan (IT Convergence Technology Research Laboratory, ETRI) ;
  • Park, Hyung Chul (Department of Electronic and IT Media Engineering, Seoul National University of Science and Technology)
  • Received : 2014.08.09
  • Accepted : 2015.02.03
  • Published : 2015.04.01
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Abstract

In this paper, we present novel high-speed transmission schemes for high-speed ultra-high frequency (UHF) radio-frequency identification communication. For high-speed communication, tags communicate with a reader using a high-speed Miller (HS-Miller) encoding and multiple antennas, and a reader communicates with tags using extended pulse-interval encoding (E-PIE). E-PIE can provide up to a two-fold faster data rate than conventional pulse-interval encoding. Using HS-Miller encoding and orthogonal multiplexing techniques, tags can achieve a two- to three-fold faster data rate than Miller encoding without degrading the demodulation performance at a reader. To verify the proposed transmission scheme, the MATLAB/Simulink model for high-speed backscatter based on an HS-Miller modulated subcarrier has been designed and simulated. The simulation results show that the proposed transmission scheme can achieve more than a 3 dB higher BER performance in comparison to a Miller modulated subcarrier.

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References

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