Energy-Efficient Time Synchronization Based on Asynchronous Source Clock Frequency Recovery and Reverse Two-Way Message Exchanges in Wireless Sensor Networks

We consider energy-efficient time synchronization in a wireless sensor network where a head node is equipped with a powerful processor and supplied power from outlet, and sensor nodes are limited in processing and battery-powered. It is this asymmetry that our study focuses on; unlike most existing...

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Veröffentlicht in:	IEEE transactions on communications 2017-01, Vol.65 (1), p.347-359
Hauptverfasser:	Kim, Kyeong Soo, Lee, Sanghyuk, Lim, Eng Gee
Format:	Artikel
Sprache:	eng
Schlagworte:	Batteries Clocks Data recovery Energy consumption Energy efficiency Energy management Energy measurement Estimation Frequency estimation Lower bounds Microprocessors Nodes Power management Propagation delay Remote sensors Sensors source clock frequency recovery Synchronism Synchronization Time measurement Time synchronization Time-frequency analysis two-way message exchanges Wireless sensor networks
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