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PERVASIVE
2006
Springer

Collaborative Localization: Enhancing WiFi-Based Position Estimation with Neighborhood Links in Clusters

11 years 5 months ago
Collaborative Localization: Enhancing WiFi-Based Position Estimation with Neighborhood Links in Clusters
Abstract. Location-aware services can benefit from accurate and reliable indoor location tracking. The widespread adoption of 802.11x wireless LAN as the network infrastructure creates the opportunity to deploy WiFi-based location services with few additional hardware costs. While recent research has demonstrated adequate performance, localization error increases significantly in crowded and dynamic situations due to electromagnetic interferences. This paper proposes collaborative localization as an approach to enhance position estimation by leveraging more accurate location information from nearby neighbors within the same cluster. The current implementation utilizes ZigBee radio as the neighbor-detection sensor. This paper introduces the basic model and algorithm for collaborative localization. We also report experiments to evaluate its performance under a variety of clustering scenarios. Our results have shown 23.4-56.4% accuracy improvement over the baseline system Ekahau, a commer...
Li-Wei Chan, Ji-Rung Chiang, Yi-Chao Chen, Chia-na
Added 14 Dec 2010
Updated 14 Dec 2010
Type Journal
Year 2006
Where PERVASIVE
Authors Li-Wei Chan, Ji-Rung Chiang, Yi-Chao Chen, Chia-nan Ke, Jane Yung-jen Hsu, Hao-Hua Chu
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