Distributed Clock Skew and Offset Estimation in Wireless Sensor Networks: Asynchronous Algorithm and Convergence Analysis

In this paper, we propose a fully distributed algorithm for joint clock skew and offset estimation in wireless sensor networks based on belief propagation. In the proposed algorithm, each node can estimate its clock skew and offset in a completely distributed and asynchronous way: some nodes may upd...

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Vydáno v:	IEEE transactions on wireless communications Ročník 12; číslo 11; s. 5908 - 5917
Hlavní autoři:	Du, Jian, Wu, Yik-Chung
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.11.2013 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Algorithms Applied sciences asynchronous algorithm Clock synchronization Clocks Convergence Covariance matrices Exact sciences and technology factor graph Information theory Information, signal and communications theory Organization and planning of networks (techniques and equipments) Services and terminals of telecommunications Signal processing algorithms Switching and signalling Synchronization Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Telemetry. Remote supervision. Telewarning. Remote control Vectors wireless sensor network Wireless sensor networks Clock synchronization factor graph Scalability Wireless telecommunication wireless sensor network Data transmission Updating Optimal estimation Clock Remote sensing Mean square error Credal approach asynchronous algorithm Convergence rate Signal detection Cramer Rao inequality Estimation error Packet switching Synchronization Mean estimation Asymmetry Algorithm performance Distributed algorithm Information processing Wireless network Transmission loss Sensor array Algorithm analysis
ISSN:	1536-1276, 1558-2248
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