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Conference Paper
Localization using Mobile Anchor Trajectory in Wireless Sensor Networks
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- Authors
- Jong Jun Park, Seung-Mok Yoo, Cheol-Sig Pyo
- Issue Date
- 2011-09
- Citation
- International Conference on Indoor Positioning and Indoor Navigation (IPIN) 2011, pp.1-4
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- Due to increasing applications using location information, localization has been one of important research issues in wireless sensor networks (WSN). A straight-forward approach is to add the GPS receivers to all nodes. Because of the strict H/W restrictions of WSN applications, localization schemes, which do not need expensive H/W devices, may be feasible in WSN. We propose a localization method using mobile anchor trajectory. When the mobile anchor broadcasts its locations periodically, sensor nodes pair them with RSSIs and estimate the trajectory of the mobile anchor. If sensor nodes have two different trajectories, their locations can be calculated. In our method, sensor nodes do not need additional H/W devices. The experimental results show better performance compared with other mobile anchor based methods.
- KSP Keywords
- Localization schemes, Location information, Research Issues, Sensor node, Wireless Sensor networks, localization method, mobile anchor