A Practical Localization Algorithm Based on Wireless Sensor Networks

Details A Practical Localization Algorithm Based on Wireless Sensor Networks A Practical Localization Algorithm Based on Wireless Sensor Networks

2010-11-13

arxiv.org/abs/1011.3097v1

Computer Science

Networking and Internet Architecture

IEEE/ACM Int Conf on Green Computing and Communications (GreenCom), IEEE, Hangzhou, China, December 18-20, 2010

Scientific paper

Many localization algorithms and systems have been developed by means of wireless sensor networks for both indoor and outdoor environments. To achieve higher localization accuracy, extra hardware equipments are utilized by most of the existing localization algorithms, which increase the cost and greatly limit the range of location-based applications. In this paper we present a method which can effectively meet different localization accuracy requirements of most indoor and outdoor location services in realistic applications. Our algorithm is composed of two phases: partition phase, in which the target region is split into small grids and localization refinement phase in which a higher accuracy location can be generated by applying a trick algorithm. A realistic demo system using our algorithm has been developed to illustrate its feasibility and availability. The results show that our algorithm can improve the localization accuracy.

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