Localization of wireless sensor network using artificial neural network

Authors:
Mohammad Shaifur Rahman;Youngil Park;Ki-Doo Kim
Affiliations:
Dept. of Electronics Engineering, Kookmin University, Seoul, Korea;Dept. of Electronics Engineering, Kookmin University, Seoul, Korea;Dept. of Electronics Engineering, Kookmin University, Seoul, Korea
Venue:
ISCIT'09 Proceedings of the 9th international conference on Communications and information technologies
Year:
2009

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Abstract

In Wireless Sensor Networks (WSN), location estimation is important for routing efficiency and location-aware services. Traditional received signal strength based localizations using propagation-loss model are often erroneous for the lowcost WSN devices. The reason is that the wireless channel is vulnerable to so many factors that deriving the appropriate propagation-loss model for the low cost WSN devices is not possible. Hence, we propose a flexible model based on neural network and grid sensor training phase for accurate localization of sensors. Simulation results show that the location accuracy can be increased by increasing the grid sensor density and the number of access points.