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Sensor-DMAC: dynamic topology control for wireless sensor networks

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3 Author(s)
Basagni, S. ; Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA, USA ; Carosi, A. ; Petrioli, C.

We present sensor-DMAC (S-DMAC), a new mechanism for topology control in wireless sensor networks. A (connected) fraction of the network nodes is efficiently selected to perform the network operation while all other nodes are switched to an energy-conserving "sleep mode." Based on DMAC, a clustering protocol enhanced with backbone formation, S-DMAC reduces to a minimum the overhead associated with node selection, backbone formation and maintenance, thus increasing the overall network lifetime. Ns2-based simulations have been performed to compare S-DMAC with DMAC and also with GAF, a recent solution for topology control in wireless sensor networks. These results show S-DMAC as more effective in providing connected and energy efficient routes of data from the sensor nodes to the network collection point (sink).

Published in:

Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th  (Volume:4 )

Date of Conference:

26-29 Sept. 2004