Lifetime optimization of wireless sensor network by a better nodes positioning and energy distribution

Abstract : The purpose of this paper is to propose a method of energy distribution on a Wireless Sensor Network (WSN). Nodes are randomly positioned and the sink is placed at the centre of the surface. Simulations show that relay nodes around the sink are too much requested to convey data, which substantially reduces their lifetime. So, several algorithmic solutions are presented to optimize the energy distribution on each node, compared to the classical uniform energy distribution. Their performance is discussed in terms of failure rate of data transmission and network lifetime. Moreover, the total energy distributed on all nodes before the deployment is invariable and some non-uniform energy distributions are created. Finally, simulations show that every energy distributions greatly improve the WSN lifetime and decrease the failure rate of data transmission.
Keywords : OA CC
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Jean-Mickaël Lebreton, Nour Murad. Lifetime optimization of wireless sensor network by a better nodes positioning and energy distribution. RADIO'2014 Radio and Antenna Days of the Indian Ocean, Apr 2014, Unknown, Mauritius. IOP, IOP Conference Series: Materials Science and Engineering, 67, pp.012011, 2014, 〈10.1088/1757-899X/67/1/012011〉. 〈hal-01202264〉

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