NDLI: A Novel Cluster Based Time Synchronization Technique for Wireless Sensor Networks

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A Novel Cluster Based Time Synchronization Technique for Wireless Sensor Networks

Content Provider	Semantic Scholar
Author	Gautam, Gopal Chand Chand, Narottam
Copyright Year	2017
Abstract	Time synchronization is one of the important aspects in wireless sensor networks. Time synchronization assures that all the sensor nodes in wireless sensor network have the same clock time. There are various applications such as seismic study, military applications, pollution monitoring where sensor nodes require synchronized time. Time synchronization is mandatory for many wireless sensor networks protocols such as MAC protocols and also important for TDMA scheduling for proper duty cycle coordination. Time synchronization is a stimulating problem in wireless sensor networks because each node has its own local clock which keeps on varying due to variation in the oscillator frequency. The oscillator frequency is time varying due to ambient conditions which leads to re-synchronization of nodes time and again. This re-synchronization process is energy consuming whereas energy is constraints in WSN. This paper proposes a novel cluster based time synchronization technique for wireless sensor networks in which cluster head rotation is based on minimum clock offset. Simulation results based on energy analysis of the proposed model demonstrate that proposed novel cluster based time synchronization technique reduces the energy consumption and also the synchronization error compared with other existing protocols.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://file.scirp.org/pdf/WSN_2017052516310251.pdf
Language	English
Access Restriction	Open
Subject Keyword	Cluster analysis Convergence (action) Cylinder-head-sector Duty cycle Mandatory - HL7DefinedRoseProperty NetWare File System Node - plant part Oscillator Device Component Protocols documentation Scheduling (computing) Scheduling - HL7 Publishing Domain Simulation Stimulation (motivation) Synchronization (computer science) Waisman syndrome message statistical cluster
Content Type	Text
Resource Type	Article

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