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Wireless Personal Communications

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04-05-2019

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

Authors: Divya Upadhyay, Ashwani Kumar Dubey, P. Santhi Thilagam

Published in: Wireless Personal Communications | Issue 2/2019

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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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Title: A Probabilistic Model of Clock Offset Estimator (PMCOE) for Clock Synchronization in Wireless Sensor Network
Authors: Divya Upadhyay
Ashwani Kumar Dubey
P. Santhi Thilagam
Publication date: 04-05-2019
Publisher: Springer US
Published in: Wireless Personal Communications / Issue 2/2019
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI: https://doi.org/10.1007/s11277-019-06447-2

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