Energy-Aware Time Synchronization in Wireless Sensor Networks

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I present a time synchronization algorithm for wireless sensor networks that aims to conserve sensor battery power. The proposed method creates a hierarchical tree by flooding the sensor network from a designated source point. It then uses a hybrid algorithm derived from the timing-sync protocol for sensor networks (TSPN) and the reference broadcast synchronization method (RBS) to periodically synchronize sensor clocks by minimizing energy consumption. In multi-hop ad-hoc networks, a depleted sensor will drop information from all other sensors that route data through it, decreasing the physical area being monitored by the network. The proposed method uses several techniques and ... continued below

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Saravanos, Yanos December 2006.

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  • Saravanos, Yanos

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Description

I present a time synchronization algorithm for wireless sensor networks that aims to conserve sensor battery power. The proposed method creates a hierarchical tree by flooding the sensor network from a designated source point. It then uses a hybrid algorithm derived from the timing-sync protocol for sensor networks (TSPN) and the reference broadcast synchronization method (RBS) to periodically synchronize sensor clocks by minimizing energy consumption. In multi-hop ad-hoc networks, a depleted sensor will drop information from all other sensors that route data through it, decreasing the physical area being monitored by the network. The proposed method uses several techniques and thresholds to maintain network connectivity. A new root sensor is chosen when the current one's battery power decreases to a designated value. I implement this new synchronization technique using Matlab and show that it can provide significant power savings over both TPSN and RBS.

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  • December 2006

Added to The UNT Digital Library

  • May 5, 2008, 3:05 p.m.

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  • Aug. 13, 2013, 2:57 p.m.

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Saravanos, Yanos. Energy-Aware Time Synchronization in Wireless Sensor Networks, thesis, December 2006; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc5438/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .