Secure stochastic ECG signals based on gaussian mixture model for e-healthcare systems

Wei Wang, Honggang Wang, Michael Hempel, Dongming Peng, Hamid Sharif, Hsiao Hwa Chen

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The blood circulation system in a human body provides a unique and natural trust zone for secure data communications in wireless healthcare systems such as body area networks. Unfortunately, biometric signal authentication using physiological attributes in wireless healthcare has not been extensively studied. In this paper, we propose a data authentication approach utilizing electrocardiography (ECG) signal patterns for reducing key exchange overhead. The major contribution of this research is to apply stochastic pattern recognition techniques in wireless healthcare. In the proposed approach, the inter-pulse interval (IPI) signal pattern at transmitter side is summarized as a biometric authentication key using Gaussian mixture model (GMM). At the receiver side, a light-weight signature verification scheme is adopted that uses IPI signals gathered locally at the receiver. The proposed authentication scheme has the advantage of high sample misalignment tolerance. In our earlier work, we had demonstrated the concept of stochastic authentication for ECG signal, but the signature verification process and GMM authentication performance under time synchronization and various sample points were not discussed. Here, we present a new set of analytical and experimental results to demonstrate that the proposed stochastic authentication approach achieves a low half total error rate in ECG signals verification.

Original languageEnglish (US)
Article number6035952
Pages (from-to)564-573
Number of pages10
JournalIEEE Systems Journal
Volume5
Issue number4
DOIs
StatePublished - Dec 1 2011

Fingerprint

Electrocardiography
Authentication
Biometrics
Hemodynamics
Pattern recognition
Transmitters
Synchronization
Communication

Keywords

  • Gaussian mixture model
  • biometrics
  • body area network
  • e-healthcare
  • electrocardiography
  • security

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Information Systems
  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Secure stochastic ECG signals based on gaussian mixture model for e-healthcare systems. / Wang, Wei; Wang, Honggang; Hempel, Michael; Peng, Dongming; Sharif, Hamid; Chen, Hsiao Hwa.

In: IEEE Systems Journal, Vol. 5, No. 4, 6035952, 01.12.2011, p. 564-573.

Research output: Contribution to journalArticle

Wang, Wei ; Wang, Honggang ; Hempel, Michael ; Peng, Dongming ; Sharif, Hamid ; Chen, Hsiao Hwa. / Secure stochastic ECG signals based on gaussian mixture model for e-healthcare systems. In: IEEE Systems Journal. 2011 ; Vol. 5, No. 4. pp. 564-573.
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