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A Probabilistic Model of Clock Offset Estimator (PMCOE) for Clock Synchronization in Wireless Sensor Network

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Abstract

Synchronization of clock within a wireless sensor network epitomizes crucial problems in the efficient and reliable operation of the sensors. This paper discusses a novel probability theory based clock offset estimator for various clock synchronization schemes of wireless sensor networks is proposed. The motivation is to utilize local clock timing for achieving the global clock synchronization. It presents a probabilistic model to estimate the most expected value of clock offset for sensor nodes. This model uses a statistical tools based on dispersion and central tendency. The proposed model was compared with the existing clock offset estimating models. It was observed that the proposed model gives better results with 1.008% accuracy, 0.065% precision and 99.8% efficiency.

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Authors and Affiliations

  1. Computer Science and Engineering, Amity School of Engineering and Technology, Amity University Uttar Pradesh, Noida, India

    Divya Upadhyay

  2. Electronics and Communication Engineering, Amity School of Engineering Technology, Amity University Uttar Pradesh, Noida, India

    Ashwani Kumar Dubey

  3. Computer Science and Engineering, National Institute of Technology Karnataka, Surathkal, India

    P. Santhi Thilagam

Authors
  1. Divya Upadhyay
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  2. Ashwani Kumar Dubey
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  3. P. Santhi Thilagam
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Correspondence to Divya Upadhyay.

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Upadhyay, D., Dubey, A.K. & Santhi Thilagam, P. A Probabilistic Model of Clock Offset Estimator (PMCOE) for Clock Synchronization in Wireless Sensor Network. Wireless Pers Commun 108, 995–1007 (2019). https://doi.org/10.1007/s11277-019-06447-2

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