Journal ArticleDOI
A New Approach for Time Synchronization in Wireless Sensor Networks: Pairwise Broadcast Synchronization
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TLDR
An energy-efficient clock synchronization scheme for Wireless Sensor Networks (WSNs) based on a novel time synchronization approach which significantly reduces the overall network-wide energy consumption without incurring any loss of synchronization accuracy compared to other well-known schemes.Abstract:
This letter proposes an energy-efficient clock synchronization scheme for Wireless Sensor Networks (WSNs) based on a novel time synchronization approach. Within the proposed synchronization approach, a subset of sensor nodes are synchronized by overhearing the timing message exchanges of a pair of sensor nodes. Therefore, a group of sensor nodes can be synchronized without sending any extra messages. This paper brings two main contributions: 1. Development of a novel synchronization approach which can be partially or fully applied for implementation of new synchronization protocols and for improving the performance of existing time synchronization protocols. 2. Design of a time synchronization scheme which significantly reduces the overall network-wide energy consumption without incurring any loss of synchronization accuracy compared to other well-known schemes.read more
Citations
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Proceedings ArticleDOI
Fast clock synchronization in wireless sensor networks via ADMM-based consensus
TL;DR: The proposed algorithm achieves higher convergence rates and equivalent noise resilience with respect to algorithmic solutions based on the only plain average consensus and the superior clock synchronization performance is corroborated via numerical tests.
Journal ArticleDOI
Scalable and Passive Wireless Network Clock Synchronization in LOS Environments
TL;DR: In this article, the authors proposed a scalable system in which an indefinite number of passively receiving wireless units can synchronize to a single master clock at the level of discrete clock ticks.
Journal ArticleDOI
Clock Offset and Skew Estimation Using Hybrid One-Way Message Dissemination and Two-Way Timestamp Free Synchronization in Wireless Sensor Networks
TL;DR: A hybrid synchronization scheme using one-way message dissemination and emerging timestamp-free synchronization is developed for wireless sensor networks without additional communication overhead, which not only estimates the fixed delay efficiently but also provides improved clock offset estimation.
Proceedings ArticleDOI
An energy-efficient clock synchronization protocol for Wireless Sensor Networks
TL;DR: In this article, a combined synchronization protocol based on the IEEE 1588 standard for wired networks and the PBS (Pairwise Broadcast Synchronization) protocol for sensor networks is proposed.
Proceedings ArticleDOI
Fully distributed clock skew and offset estimation in wireless sensor networks
Jian Du,Yik-Chung Wu +1 more
TL;DR: Simulation results show that estimation mean-square-error at each node converge to the centralized Cramér-Rao bound with only a few number of message exchanges.
References
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Journal ArticleDOI
Wireless sensor networks: a survey
TL;DR: The concept of sensor networks which has been made viable by the convergence of micro-electro-mechanical systems technology, wireless communications and digital electronics is described.
Journal ArticleDOI
Fundamentals of statistical signal processing: estimation theory
TL;DR: The Fundamentals of Statistical Signal Processing: Estimation Theory as mentioned in this paper is a seminal work in the field of statistical signal processing, and it has been used extensively in many applications.
Journal ArticleDOI
Fine-grained network time synchronization using reference broadcasts
TL;DR: Reference Broadcast Synchronization (RBS) as discussed by the authors is a scheme in which nodes send reference beacons to their neighbors using physical-layer broadcasts, and receivers use their arrival time as a point of reference for comparing their clocks.
Proceedings ArticleDOI
The flooding time synchronization protocol
TL;DR: The FTSP achieves its robustness by utilizing periodic flooding of synchronization messages, and implicit dynamic topology update and comprehensive error compensation including clock skew estimation, which is markedly better than that of the existing RBS and TPSN algorithms.