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Extending the Lifetime of Heterogeneous Sensor Networks Using a Two-Level Topology

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2 Author(s)
Mei Wu ; Network Innovations Center, Dublin City Univ., Dublin, Ireland ; Collier, M.

Sensor networks(SN) feature low-cost sensor devices with limited wireless network capacity, transmit power and energy. This paper proposes a new routing model (Tiny Reg) based on regular-graph theory and a clustering method. By dynamically arraying cluster heads into a hierarchy transmission tree in sensor networks, our two-level approach shortens the transmission distance between cluster heads and the sink. This reduces the energy consumption during packet delivery. Simulation results show the improved energy-efficiency performance of our method compared with existing protocols.

Published in:

Computer and Information Technology (CIT), 2011 IEEE 11th International Conference on

Date of Conference:

Aug. 31 2011-Sept. 2 2011