Large Scale Indoor Localization System Based on Wireless Sensor Networks for Ubiquitous Computing

Authors:
Woo-Yong Lee;Kyeong Hur;Taeyoung Kim;Doo-Seop Eom;Jong-Ok Kim
Affiliations:
School of Electrical and Electronics Engineering, Korea University, Seoul, Korea;Department of Computer Education, Gyeongin National University of Education, Incheon, Korea 407-753;Department of Electrical and Computer Engineering, University of Virginia, Charlottesville, USA 22904;School of Electrical and Electronics Engineering, Korea University, Seoul, Korea;School of Electrical and Electronics Engineering, Korea University, Seoul, Korea
Venue:
Wireless Personal Communications: An International Journal
Year:
2012

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Abstract

The task of formulating an efficient system for determining the location of an object, results in the creation of a wide number of applications and services. For this reason, most wireless sensor network applications assume the availability of sensor location information. In this paper, an indoor localization scheme, which is based on synchronized sensor nodes, is proposed. It is efficient in terms of power consumption and location update rate. Furthermore, it resolves the scalability problem usually found in most conventional indoor localization systems in large scale indoor environments. The performance of the proposed scheme is evaluated through experimental implementation and is compared with the Cricket system. The results demonstrate that the proposed scheme is a promising and feasible localization system for a large scale indoor environment.