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

Kok Poh Ng, Charalampos Tsimenidis, Wai Lok Woo

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)51-64
Number of pages14
JournalAd Hoc Networks
Volume61
Early online date20 Mar 2017
DOIs
Publication statusPublished - Jun 2017

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