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Effective Sensor Relocation Technique in Mobile Sensor Networks

2011
Journal from gdlhub / 2017-08-14 11:52:32
Oleh : Ahmed M. Khedr , Hager Ramadan, International Journal of Computer Networks & Communications (IJCNC
Dibuat : 2012-06-25, dengan 1 file

Keyword : Redundant node, Relocation, Sector, Wireless Sensor Networks.
Subjek : Effective Sensor Relocation Technique in Mobile Sensor Networks
Url : http://airccse.org/journal/cnc/0111ijcnc13.pdf
Sumber pengambilan dokumen : internet

In a wireless senor network, one of the main design challenges is to achieve long network lifetime by


turning off some redundant sensor nodes while maintaining sufficient coverage for sensing and


connectivity. In this paper, two improved algorithms are proposed, the first one is to find if a sensor is


completely covered by its neighbors so as to decide whether it is redundant and can be used to replace


failed nodes. The second algorithm is to relocate the failed node by a proper one. Simulation results show


that the redundant discovery algorithm can computes all redundant nodes, and relocation algorithm can


significantly reduce the energy consumption.

Deskripsi Alternatif :

In a wireless senor network, one of the main design challenges is to achieve long network lifetime by


turning off some redundant sensor nodes while maintaining sufficient coverage for sensing and


connectivity. In this paper, two improved algorithms are proposed, the first one is to find if a sensor is


completely covered by its neighbors so as to decide whether it is redundant and can be used to replace


failed nodes. The second algorithm is to relocate the failed node by a proper one. Simulation results show


that the redundant discovery algorithm can computes all redundant nodes, and relocation algorithm can


significantly reduce the energy consumption.

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