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RFID detection—unknown tags

RFID detection—unknown tags

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This study has investigated a practically important problem of unknown tag detection that aims to detect the existence of unknown tags in a time-and energy-efficient way. We have proposed a new SBF which is a general case of the standard BF. Based on the new filtering technique, we have further proposed the SBF-UDP. Sufficient theoretically analysis is presented to minimize the execution time as well as energy consumption of the proposed protocol. We conduct extensive simulations to evaluate the performance of our SBF-UDP, and the experimental results show that our SBF-UDP protocol considerably outperforms the previous related protocols in terms of both time efficiency and energy efficiency.

Chapter Contents:

  • 6.1 Introduction
  • 6.1.1 Background
  • 6.1.2 Motivation and problem statement
  • 6.1.3 Existing work and limitations
  • 6.1.4 Main contributions
  • 6.2 Related work
  • 6.3 Preliminary
  • 6.3.1 System model and assumption
  • 6.3.2 Energy consumption model
  • 6.3.3 Performance metrics
  • 6.4 A sampling bloom filter-based unknown tag detection protocol
  • 6.4.1 Overview of the sampling bloom filter
  • 6.4.2 Protocol design of SBF-UDP
  • 6.4.2.1 Constructing the sampling bloom filter
  • 6.4.2.2 Verifying the tag identity
  • 6.4.2.3 Announcing unknown identity
  • 6.4.3 Investigating the detection accuracy
  • 6.4.4 Analyzing the performance of SBF-UDP
  • 6.4.4.1 Time cost
  • 6.4.4.2 The minimum time cost
  • 6.4.4.3 Energy cost
  • 6.4.4.4 The minimum energy cost
  • 6.4.4.5 Joint optimization of time and energy costs
  • 6.5 Performance evaluation
  • 6.5.1 Demonstrating the advantages of sampling bloom filter
  • 6.5.2 Comparing with the prior related protocols
  • 6.5.2.1 Execution time
  • 6.5.2.2 Energy cost
  • 6.5.3 The actual detection reliability
  • 6.5.4 The impact of channel error
  • 6.6 Conclusion

Inspec keywords: radiofrequency identification; protocols; signal detection; filtering theory

Other keywords: RFID detection; energy efficiency; unknown tag detection; SBF-UDP protocol; energy consumption; filtering technique; sufficient theoretically analysis; performance evaluation; time efficiency

Subjects: Protocols; RFID systems; Filtering methods in signal processing; Signal detection

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