Clock synchronization in wireless sensor networks using least common multiple

In this research, we propose the Clock Synchronization by Least Common Multiple (CSLCM) method to remove the clock offset and clock skew among the sensor nodes. The proposed CSLCM enables the nodes to reach a network synchronization time by calculating the least common multiple of their Clock Time P...

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Bibliographic Details
Published inInternational journal of electronics and communications Vol. 82; pp. 446 - 457
Main Authors Tabassum, Nikhath, Devanagavi, Geetha D., Biradar, Rajashekhar C.
Format Journal Article
LanguageEnglish
Published Elsevier GmbH 01.12.2017
Subjects
Clock offset
Clock skew
Clock synchronization
Cluster
Wireless sensor network
Wireless sensor network
Clock synchronization
Clock offset
Cluster
Clock skew
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Summary:In this research, we propose the Clock Synchronization by Least Common Multiple (CSLCM) method to remove the clock offset and clock skew among the sensor nodes. The proposed CSLCM enables the nodes to reach a network synchronization time by calculating the least common multiple of their Clock Time Period (CTP). The network is organized into clusters and every node reaches the network synchronization time using its own CTP. Simulation results show that, the CSLCM algorithm is more efficient compared to the Average Time Synchronization with Pairwise messages (ATSP) in terms of accuracy, communication overhead, and computation overhead.
ISSN:1434-8411
1618-0399
DOI:10.1016/j.aeue.2017.10.014