C-Sync: Counter-based synchronization for duty-cycled wireless sensor networks

Ng, Kok-Poh, Tsimenidis, Charalampos and Woo, Wai Lok (2017) C-Sync: Counter-based synchronization for duty-cycled wireless sensor networks. Ad Hoc Networks, 61. pp. 51-64. ISSN 1570-8705

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Abstract

Different variants of synchronous duty-cycle MAC protocols have been designed for wireless sensor networks to reduce energy consumption. However, the synchronization process of these protocols remains a significant contributor to the energy consumption. In this paper, a new energy-efficient synchronization algorithm referred to as C-Sync is proposed. C-Sync reduces energy consumption by adaptively regulating the synchronization traffic and synchronization wakeup period based on the changing network neighborhood conditions through counter-based and exponential-smoothing algorithms. Extensive simulations of multi-hop multi-neighborhood network scenarios are performed using ns-2. We compare C-Sync with the fixed periodic synchronization (F-Sync) algorithm and the 1-Sync algorithm and show that C-Sync outperforms F-Sync and 1-Sync in energy-efficiency over a wide range of node densities, drift rates and duty cycles.

Item Type:	Article
Uncontrolled Keywords:	Duty-cycle, MAC protocols, Energy-efficient, Synchronization, Counter-based
Subjects:	G400 Computer Science
Department:	Faculties > Engineering and Environment > Computer and Information Sciences
Depositing User:	Becky Skoyles
Date Deposited:	27 Mar 2019 12:09
Last Modified:	10 Oct 2019 21:01
URI:	http://nrl.northumbria.ac.uk/id/eprint/38566

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