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Recent advances in wireless sensor technology have enabled simultaneous exploitation of multiple channels in wireless sensor systems. In this paper, a novel time synchronization algorithm is proposed for multi- channel Wireless Sensor Networks WSNs called Multi-Channel Time Synchronization MCTS protocol. Time synchronization is critical for many WSN applications and enables efficient communications between sensor nodes along with intelligent spectrum access. Contrary to many existing protocols that do not exploit multi-channel communications, the protocol takes advantage of potential multiple channels and distributes the synchronization of different nodes to distinct channels and thus, reduces the convergence time of synchronization processes significantly.

KEYWORDS

Time Synchronization, Multi-Channel Communications, Wireless Sensor Networks

Cite this paper

J. Nieminen, L. Qian and R. Jäntti -Network-Wide Time Synchronization in Multi-Channel Wireless Sensor Networks,- Wireless Sensor Network, Vol. 3 No. 2, 2011, pp. 39-53. doi: 10.4236-wsn.2011.32005.





Autor: Jari Nieminen, Lijun Qian, Riku Jäntti

Fuente: http://www.scirp.org/

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