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A novel lifetime-enhanced deployment strategy for chain-type wireless sensor networks

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3 Author(s)
Siwei Qian ; Dept. of Electron. & Inf. Eng., Huazhong Univ. of Sci. & Technol., Wuhan, China ; Peng Guo ; Tao Jiang

In chain-type wireless sensor networks (CWSNs), sensor nodes closer to the base station (BS) need to receive and transmit more packets, resulting in more energy consumption and shorter lifetime. Due to the friability of the CWSN's topology, the short lifetime of nodes closer to the BS usually limits the CWSN lifetime. To enhance the CWSN lifetime, in this paper, we propose a novel sensor nodes deployment strategy. With a non-uniform deployment method and an alternative duty mode, the proposed strategy can balance the energy consumption of sensor nodes in CWSNs. Hence, the CWSN lifetime can be effectively prolonged. Numerical experiments have been conducted, showing better performance of the proposed strategy than existing methods.

Published in:

Communications (ICC), 2012 IEEE International Conference on

Date of Conference:

10-15 June 2012