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Using multiple communication channels for efficient data dissemination in wireless sensor networks

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4 Author(s)
Simon, R. ; Dept. of Comput. Sci., George Mason Univ., Fairfax, VA ; Huang, L. ; Farrugia, E. ; Setia, S.

This paper presents McTorrent and McSynch, two multichannel sensor network protocols for data dissemination. Both protocols are designed to take advantage of the spatial multiplexing properties of the half-duplex radio transceivers available on the current generation of sensor nodes. McTorrent is used for reliable end-to-end dissemination of a large data object. Compared to existing protocols, we show that McTorrent significantly reduces the amount of time required to propagate a large data object throughout a sensor network. McSynch is used to achieve data object synchronization within a local cluster of nodes. By using a scheduled channel access approach and an appropriate number of transmission channels, McSynch can significantly reduce the amount of time required to update a local cluster. We also describe our experiences implementing a multichannel system, and report on lessons learned for channel and frequency settings

Published in:

Mobile Adhoc and Sensor Systems Conference, 2005. IEEE International Conference on

Date of Conference:

7-7 Nov. 2005